[HN Gopher] PlasticList's Advice for Food Companies
       ___________________________________________________________________
        
       PlasticList's Advice for Food Companies
        
       Author : Jimmc414
       Score  : 125 points
       Date   : 2025-01-02 18:35 UTC (1 days ago)
        
 (HTM) web link (twitter.com)
 (TXT) w3m dump (twitter.com)
        
       | dang wrote:
       | Recent and related:
       | 
       |  _Plasticlist Report - Data on plastic chemicals in Bay Area
       | foods_ - https://news.ycombinator.com/item?id=42525633 - Dec 2024
       | (188 comments)
        
       | asdasdsddd wrote:
       | Why are wood cutting boards outlawed for commercial kitchens.
        
         | rad_gruchalski wrote:
         | > Although very beautiful and functional, they require proper
         | sanitation and careful maintenance. Being, in fact, the wood is
         | a living and porous material, it is not advisable to sanitize
         | the cutting board daily, as this could risk the proliferation
         | of germs and bacteria.
         | 
         | https://www.euroceppi.com/en/blog-en/why-cant-wooden-cutting...
         | 
         | Makes sense to me, I never process meat at home on a wooden
         | board. Only plastic and dishwasher after use.
        
           | blackeyeblitzar wrote:
           | But couldn't a knife hitting a plastic board shed micro
           | particles into your food?
        
             | 0_____0 wrote:
             | Sometimes you just need to use the least bad option. I tend
             | to use my wood board for dry or veg foods, and 100% always
             | use the plastic board for meat products.
        
             | stevage wrote:
             | Until I read this article, this thought had never occurred
             | to me.
             | 
             | Not that I use a plastic board anyway.
        
             | lurking_swe wrote:
             | not to mention all the microplastics released in the
             | dishwasher when it runs! this sounds like a bad idea to me.
             | 
             | I personally have a dedicated wood cutting board that is
             | for meat only. I cook my meat to safe temperatures anyway
             | so i'm not too worried about sanitizing it perfectly. I
             | just do my best with hot water, soap, and a sponge.
        
               | rad_gruchalski wrote:
               | Not really, at least judging by the state of my plastic
               | boards. Contrary to wooden boards, they're completely
               | unsuitable for dishwashers. Who knows what were these
               | wooden boards treated with to make them "food safe".
               | 
               | I hope you don't use any polyester if you're so concerned
               | about my plastic board. Just imagine all that plastic
               | from washing polyester. Or maybe you have a car with
               | seats made out of plastic bottles fished out of the
               | ocean?
        
               | lurking_swe wrote:
               | yeah, a wooden cutting board isn't great for a dishwasher
               | either.
               | 
               | I dislike polyester in general, with the exception of
               | exercise shorts and sneakers. I buy cotton or wool if
               | possible. Polyester just feels cheap to me, and avoiding
               | it also means i have less microplastics exposure. :)
               | 
               | There's no hiding from microplastics. I do take some
               | steps to avoid them where it's easy, instead of purposely
               | adding more to my body.
        
               | rad_gruchalski wrote:
               | Anything waterproof is going to be either leather or
               | polyester. There's no getting around it today.
        
               | aspenmayer wrote:
               | Waxed cotton?
               | 
               | https://en.wikipedia.org/wiki/Waxed_cotton
        
               | rad_gruchalski wrote:
               | Never seen anything made out of that in the shop. How
               | expensive is it? And what do we think about this?
               | 
               | > Waxed cotton came in either black, or an inconsistent
               | dark olive. Colour was controlled by the amount of copper
               | left from the cupro-ammonia treatment.
        
               | lurking_swe wrote:
               | that's pretty interesting, didn't realize that was used
               | for some outdoor gear!
               | 
               | It reminds me of this cling-wrap alternative i use in the
               | kitchen: https://www.beeswrap.com/
        
               | rad_gruchalski wrote:
               | I do have a couple of those. They're terrible to wash.
               | 
               | Switched to this kind of stuff instead
               | https://www.dm.de/profissimo-frischhaltehauben-aus-
               | silikon-p... + normal cotton towels and paper for
               | everything else.
        
               | lurking_swe wrote:
               | yes they are. i use them more for covering bowls, etc.
               | They don't get as messy that way.
               | 
               | This looks great for wrapping avocados, cucumbers, etc.
               | Thanks for the tip!
        
               | ericd wrote:
               | Boiled wool is pretty water resistant, that's usually
               | what wool coats are made of.
        
               | ericd wrote:
               | Yep, polyester was the first thing to go. It's a crappy
               | fabric for all sorts of other reasons anyway.
        
             | rad_gruchalski wrote:
             | There's apparently so much plastic already in me that I
             | don't care. What I care is not having that chicken fluid
             | soaked into the wooden board.
        
               | SoftTalker wrote:
               | Scrub it with hot soapy water and let it dry it will be
               | fine.
        
               | rad_gruchalski wrote:
               | You mean scrub with that sponge made out of plastic?
               | Because you definitely want those crevasses clean. And
               | how hot should the water be? You have 70 degree Celsius
               | water coming out from your tap?
               | 
               | But hey, I used to do that. No matter how much you take
               | care of them, the hot water wash and drying leads to
               | those chopping boards splitting after so many uses. Those
               | plastic buggers last for years.
        
               | SoftTalker wrote:
               | scrub with a natural bristle brush.
               | 
               | You can oil them occasionally if they are drying out too
               | much and cracking.
               | 
               | But yes they probably won't last forever. Shrug. Get
               | another one.
        
               | rad_gruchalski wrote:
               | I'll stick my plastic boards for meat :)
        
               | nanomonkey wrote:
               | I have a bamboo cutting board that I purchased in 2004,
               | and a mesquite wood cutting board gifted to me a few
               | years later. Both look nearly new despite using them
               | daily.
               | 
               | Now I don't cook meat, so maybe that is why my experience
               | doesn't match yours.
        
               | ericd wrote:
               | Just regular soap and water with a brush seem to work
               | fine, no need to scrub hard, generally.
        
               | pjc50 wrote:
               | Under-rated comment. Microplastics are an omnipresent,
               | low, vague risk, and I already have a long list of those
               | which people want me to care about. While food poisoning
               | is much more of an immediate problem - and still from
               | time to time kills people!
        
         | ska wrote:
         | Food safety. It's ironic that in a home setting they can often
         | be better than plastic (people typically don't clean plastic
         | well enough, or replace often enough), but you can't sanitize
         | them like you typically would in a commercial prep area, so
         | they are disallowed/discouraged (based on jurisdiction).
        
           | throwup238 wrote:
           | Some jurisdictions also ban wood cutting boards in general
           | but allow some made of closed-grain hardwood with like maple
           | or walnut.
        
             | blackeyeblitzar wrote:
             | That's a shame. Hard close grain would damage very sharp
             | knives I would think.
        
           | 0_____0 wrote:
           | Are folks not simply throwing their plastic cutting boards in
           | the dishwasher after finishing prep? I basically always do,
           | especially after cutting meat...
        
             | newsclues wrote:
             | Not everyone has a dishwasher.
        
               | 0_____0 wrote:
               | Hmmm. It's only in the last four years or so that I've
               | even had one, you'd have thought I would have remembered
               | that ...
        
               | datavirtue wrote:
               | Buy some Purell.
        
             | lurking_swe wrote:
             | yay for microplastics (and maybe phthalates) all over my
             | utensils, plates and glasses!
             | 
             | on a serious note, I try to avoid putting ANY plastic in a
             | dishwasher unless it's silicone. what's wrong with buying a
             | cutting board that is used for meat only? do your best
             | scrubbing it down with hot water and soap, and it's not an
             | issue. Especially if you cook your meat to a safe
             | temperature anyway.
             | 
             | Even better, avoid a plastic cutting board to begin with:
             | 
             | https://pubs.acs.org/doi/10.1021/acs.est.3c00924
        
               | 0_____0 wrote:
               | At least the dishwasher is doing its best to remove
               | surface contamination from its contents.
               | 
               | How does your cutting board compare to tire dust, shed
               | particles from textiles, and latex paint in terms of your
               | exposure and the danger thereof?
               | 
               | I really do try to triage "things to worry about" by
               | severity and likelihood. At my age I'm mostly worried
               | about not getting hit by cars and my mental health.
        
               | lurking_swe wrote:
               | can't avoid tire dust. Luckily i don't paint often, and i
               | don't lick my walls. :-)
               | 
               | I agree it's low on the list in terms of risk (big
               | picture). I guess shopping for plastic free alternatives
               | isn't stressful to me, i view it like a shopping game.
               | Plus the plastic free stuff tends to hold up better
               | anyway over the long term!
               | 
               | I do wonder how rinse aid affects this too. Might reduce
               | the residue left behind.
        
               | ericd wrote:
               | Re tire dust, you can avoid living near major roads, and
               | running a hepa filter anywhere you spend significant
               | time. Our old apartment's balcony used to get a coating
               | of black dust on everything within a week of wiping
               | things down, since we were near some major road, now that
               | we live in the country, I never see that.
        
             | ska wrote:
             | Many people generally don't change boards enough, yes. And
             | keeping plastic boards after they are quite deeply grooved
             | is a problem.
             | 
             | If your dishwasher doesn't have a sanitize cycle (or you
             | aren't using it) you may not be getting hot enough at home
             | anyway to be up to the standard a commercial kitchen would
             | need.
             | 
             | Of course you may not have a dishwasher at all.
        
               | SoftTalker wrote:
               | Automatic dishwasher detergent is loaded with chlorine
               | bleach. Sanitizing temperatures are not necessary.
        
               | 0_____0 wrote:
               | This is wrong (at best outdated). No dishwashing
               | detergent sold at your local grocery has chlorine bleach
               | in it. There are other non-chlorine bleaching agents in
               | some formulations.
        
               | SoftTalker wrote:
               | You seem to be correct, at least based on review of the
               | MSDS for a popular powdered dishwasher detergent, it's
               | using oxygen bleach (peroxide). Pretty sure it was
               | chlorine bleach in the past.
        
             | zo1 wrote:
             | I just use a plate for my cutting needs. No idea about this
             | "cutting board" obsession. Plate just goes into the
             | dishwasher. No wood or plastic particles to worry about and
             | cleanup is easy.
             | 
             | Then again, I also exclusively use serrated knives and
             | think people that use ultra-sharp knives in the kitchen to
             | make food cut like butter, crazy.
        
               | cruffle_duffle wrote:
               | How does that not absolutely destroy your knife?
        
               | Kirby64 wrote:
               | GP uses serrated knives. They're not actually cutting
               | food, more mangling it while scratching their plates. Not
               | wanting to use sharp knives just speaks to inexperience
               | in the kitchen.
        
               | 0_____0 wrote:
               | The bit you're missing is that other people need cutting
               | boards and you don't, because you don't do the types of
               | prep work that would require a cutting board. It would
               | take a about 4x longer if I did my prep work with your
               | tools. No harm in that, we just do different things in
               | the kitchen.
               | 
               | Edit: I remembered that beyond being simply slower, some
               | important operations are extremely impractical without a
               | cutting board, like mincing. Flat out impossible to do
               | with a serrated knife as well.
        
           | Freak_NL wrote:
           | The thing about replacing them frequently is that that goes
           | against the principle of using something until it is worn
           | out. (That is, reducing the amount of plastic we use.) I'm
           | not sure if this is a problem, or if there are better
           | solutions (I use wooden chopping boards for vegetables and
           | fruit of course).
        
         | secstate wrote:
         | An excellent point. Most modern germ theory says all bacteria
         | is bad. This, despite the fact that our guts are full of
         | bacteria and that you simply cannot avoid ingesting bacteria.
         | Nevermind that plenty of wood cutting boards are full of
         | beneficial bacteria that keeps listeria and e. coli at bay.
         | 
         | Edit: Also there are literally some forms of cheese that you
         | cannot make in sanitized stainless steel. The combination of
         | bacteria you need needs to be impregnated in the wood.
        
           | lukas099 wrote:
           | > Most modern germ theory says all bacteria is bad.
           | 
           | I've never heard anyone say this.
        
         | everdrive wrote:
         | Seems like it would be simply enough for a household to just
         | have at least two cutting boards:
         | 
         | One for anything which is not likely to harbor dangerous
         | bacteria. (eg: vegetables, bread, etc.)
         | 
         | One of meat, which gets cut and then gets cooked, and so
         | theoretically a bit of bacteria is no issue in any case.
         | 
         | I can see how this would be much tougher for a commercial
         | kitchen, though.
        
           | maxwell wrote:
           | Commercial kitchens use color coded cutting boards AFAIK.
           | 
           | https://www.webstaurantstore.com/3053/cutting-
           | boards.html?fi...
        
           | Aurornis wrote:
           | No, you need to clean and disinfect to kill bacteria
           | regardless.
           | 
           | Cooking meat does not kill the toxic byproducts of bacteria.
           | Many bacteria produces enterotoxins, which survive cooking
           | and cause what we know as "food poisoning".
           | 
           | You would not want your cutting board harboring and growing
           | these bacteria under any circumstances, even if you're
           | cooking the product you're cutting.
        
           | shermantanktop wrote:
           | You could stop eating meat instead. But unfortunately
           | vegetables can get cross-contaminated with animal products
           | during growing/harvesting/processing. So even vegetarians
           | like me have this risk, albeit at lower levels, along with
           | contamination from non-animal sources.
        
         | PlunderBunny wrote:
         | It's interesting that, if you go to a wet market in many Asian
         | countries (e.g. Hong Kong) you will see the butchers cutting
         | meat on wooden chopping blocks where the cutting surface is
         | _grain up_ - typically a circular section of a log. I thought
         | "surely this is the worst possible orientation for the wood?" I
         | think they clean the blocks by using hot and cold water to
         | expand and contract the wood, and scraping it with the blade of
         | their knives.
        
           | NumberWangMan wrote:
           | I believe that if you're doing some heavy chopping, that
           | orientation keeps the cutting board in good condition for the
           | longest time, as you're not cutting through the wood grain
           | and taking chunks out of the board.
           | 
           | Separately I've heard that while bacteria can live in wood
           | cutting boards, they tend to stay where they are rather than
           | migrate out of the board and into the food -- but I can't
           | back that up with any actual references.
        
             | datavirtue wrote:
             | Bacteria needs moisture. It ain't clean until it's dry.
        
           | SoftTalker wrote:
           | Wood tends to draw moisture in, I'd think especially if
           | "grain up," leading to a dry surface which is not very
           | hospitable to bacterial growth.
        
         | UniverseHacker wrote:
         | Plastic cutting boards are mostly just plain undyed
         | polyethylene (HDPE)- which is just a fully saturated perfectly
         | straight hydrocarbon, similar to saturated fat or wax and lacks
         | the kind of reactive functional groups that make other plastic
         | polymers toxic. I think it is quite unlikely that HDPE in
         | particular is toxic or endocrine disrupting to humans in the
         | way a lot of other plastics seem to be.
         | 
         | It's also basically just a very viscous fluid and I suspect
         | would flow into grooves when a knife blade hits it, without
         | releasing particles like harder more solid plastics would.
         | 
         | Personally, I try to avoid having most plastics contact my food
         | and water, but make an exception for HDPE.
         | 
         | In general, each plastic polymer is very different from another
         | chemically, and it makes sense to consider their safety
         | independently, and not group all plastics together.
        
           | _DeadFred_ wrote:
           | The problem is cutting boards break off little bits of
           | plastic with use and your body has evolved zero mechanism for
           | disposing of microplastics once they are in your system.
           | 
           | https://www.ewg.org/news-insights/news/2023/10/making-
           | meals-... https://phys.org/news/2024-12-microplastics-
           | multiple-human-t...
        
             | UniverseHacker wrote:
             | I've looked a bit, and not been able to find evidence of
             | HDPE getting into cells, or exhibiting biological toxicity,
             | whereas there seems to be quite a bit of evidence of this
             | for almost every other type of plastic. Still, I wouldn't
             | blame someone for just avoiding all plastic food contact by
             | the precautionary principle.
             | 
             | The first study you linked is interesting- it does seem to
             | confirm what I suspected, that HDPE does flow on knife
             | impact causing it to release less plastic debris than other
             | plastics, but still not zero.
             | 
             | The second one seems to be a fairly low quality review
             | article looking at what does sound like a concerning issue,
             | but doesn't really consider different types of plastic
             | independently. It might be useful in the sense of citing a
             | lot of papers in this area that could be looked at
             | directly.
        
           | timr wrote:
           | > Plastic cutting boards are mostly just plain undyed
           | polyethylene (HDPE)- which is just a fully saturated
           | perfectly straight hydrocarbon, similar to saturated fat or
           | wax and lacks the kind of reactive functional groups that
           | make other plastic polymers toxic.
           | 
           | This is all just completely made up -- starting with the
           | assertion that "plastic polymers" (whatever those are; you're
           | not being specific enough to have a debatable claim) are
           | "toxic" in the first place.
        
             | UniverseHacker wrote:
             | Everything I said are basic facts about plastic chemistry
             | you can verify yourself, but I can elaborate more if that
             | is helpful.
             | 
             | If you'd like a more specific example of what I am talking
             | about, take for example Bisphenol A (BPA), one of the
             | monomers used in making polycarbonate - which most people
             | have heard of, and has now been eliminated from consumer
             | products like water bottles (edited per correction from
             | reply below). It is chemically similar enough to steroid
             | hormones, that it can bind to steroid hormone receptors (in
             | particular estrogen receptors), making it a potential
             | endocrine disruptor. HDPE does not contain complex
             | functional groups that are likely to mimic natural hormones
             | and bind to receptors or enzyme active sites in a living
             | system.
             | 
             | In general, molecules that contain a lot of aromatic rings,
             | or reactive functional groups are more likely to exhibit
             | drug like effects or toxicity. Such properties are
             | systematically enriched for in chemical libraries used for
             | drug discovery, but if trying to avoid unintended
             | biological effects, it makes sense to exhibit more caution
             | with such molecules.
        
               | BadHumans wrote:
               | > take for example Bisphenol A (BPA), one of the monomers
               | used in making polycarbonate - which most people have
               | heard of, and has now been almost universally eliminated
               | from things that contact food and water for human
               | consumption.
               | 
               | Why did they find large amounts of BPA in more than a few
               | foods they tested if it has been eliminated from food
               | manufacturing process?
        
               | UniverseHacker wrote:
               | Good point- what I said is wrong, it was removed from
               | consumer goods like water bottles but is still legal and
               | used in food manufacturing equipment in the USA. It has
               | been banned in the EU from all food contact. I have
               | edited my post above to correct this.
        
               | econ wrote:
               | You should do as you want ofc but I don't trust anything
               | that hasn't been proven toxic.
               | 
               | If they make a fine wine or a quality beer and put it in
               | plastic (or something coated with plastic) I can't take
               | the company seriously.
               | 
               | Tomatoes are the worse I hear because of their acidity.
               | In the store there is a whole wall of canned tomatoes and
               | plastic bottles. Non of the more expensive brands use it.
               | The Tupperware comes out of the microwave all red? It
               | even looks unappetizing.
               | 
               | If you can choose why go with the experiment? I'd pick
               | the silverware over the plastic utensils every time.
        
               | neom wrote:
               | My mum has been on the plastics thing since as long as I
               | can remember (35+ years), we never had plastic in the
               | house and if someone gave us something in tupperware mum
               | wouldn't let us eat it, ha. Once I questioned her on this
               | as I thought it was nuts, she said "plastic can melt,
               | stretch, move, if it breaks off or leaks into our food
               | it's toxic because it's chemicals, that is why we only
               | use glass metal and wood in this house" - I still thought
               | she was nuts, toxic plastic? What a load of hippie
               | hogwash... I thought...
        
               | timr wrote:
               | > Everything I said are basic facts about plastic
               | chemistry you can verify yourself, but I can elaborate
               | more if that is helpful.
               | 
               | Sure, go ahead. Nobody could verify what you claimed,
               | because it was so vague to be undefined. That's the
               | point.
               | 
               | You said something vague ("plastic polymers"), then you
               | asserted toxicity (which is also a meaningless word --
               | nearly everything is toxic _at some dose_ ). As for the
               | rest of the comment...I actually do have some training in
               | chemistry and I have no idea what you're talking about.
               | Just for example:
               | 
               | >> polyethylene (HDPE)- which is just a fully saturated
               | perfectly straight hydrocarbon, similar to saturated fat
               | or wax
               | 
               | No. Saturated fat is nothing like polyethylene. A fat is
               | a triglyceride. A polyethylene molecule is not. You can't
               | just wave your hands and say "they both have carbon
               | chains" and draw broad conclusions from that.
               | 
               | Similarly, A "wax" can have all of the stuff that I think
               | you'd (probably?) characterize as a "reactive functional
               | group" -- things like esters, alcohols, and ketones.
               | 
               | > take for example Bisphenol A (BPA), one of the monomers
               | used in making polycarbonate
               | 
               | You're trying to overgeneralize from very specific
               | examples. Setting aside the evidence (or lack thereof)
               | regarding the specific harm of BPA, the difference
               | between BPA and even _other kinds of polycarbonates_ is
               | so vast as to be a meaningless comparison.
               | 
               | In biochemistry, the stereochemistry of a single bond can
               | make orders of magnitude difference in toxicity, even if
               | all the other atoms are the same. You can't just go _"
               | oh, it has rings/oxygens/whatever, so it must be toxic"_,
               | or even _" it looks like a fatty acid, so it must be
               | safe"_.
        
               | UniverseHacker wrote:
               | I'm not writing a biochemistry textbook here (although I
               | have done so)- the things you are saying are not new
               | concepts to me. It is always challenging to be precisely
               | correct, while clear enough to have a meaningful
               | discussion with people of varying backgrounds.
               | 
               | Everything I said was very simplified, but could be much
               | more specific with a lot more details that would be
               | inappropriate for a HN comment- however I am happy to
               | clarify exactly what I meant if you have more specific
               | questions about what I mean. Indeed, each individual
               | chemical structure can and should be evaluated for it's
               | actual effects, and very small changes in structure can
               | make a big difference. The importance of stereochemistry,
               | and using biosynthesis to control it precisely is
               | something I am very focused on. I stand by the claim that
               | it is realistic to generalize that straight chain alkanes
               | are well understood and have a lower risk of drug like
               | effects than other classes of compounds, and mentioning
               | fats and waxes here is an appropriate comparison in this
               | specific context of risk assessment from limited
               | evidence. Natural waxes - and most living things-
               | actually do have a small fraction of saturated "fatty
               | hydrocarbon" molecules that are not
               | triglycerides/alcohols/etc. [1]. Some will even be
               | unbranched alkanes, but with much much shorter chain
               | lengths than HDPE. We also have liver enzymes that can
               | convert these to alcohols.
               | 
               | I am an academic PI in this field, and much of my labs
               | research is focused on discovery and biosynthesis of
               | novel small molecule drugs, new plastic polymers
               | predicted to have low toxicity, and saturated hydrocarbon
               | biofuels. However, it is inappropriate for me to lay out
               | a full technical description of exactly what I am
               | thinking rather than a high level generalization in a HN
               | post- for an audience that has largely never even had an
               | organic chemistry course.
               | 
               | When I (or anyone else) is talking about the potential
               | toxicity of plastic polymers, there are a lot of
               | (hopefully) mutually accepted assumptions: we are talking
               | about the real world exposure levels from real world
               | regular use of products made from these. If I say
               | "plastic polymers" in this context I'm talking about all
               | of the common ones that are used in modern times to make
               | things that contact food and water as a group- as done in
               | the context of the article we are talking about. Doing so
               | doesn't in any way conflict with the fact that this is a
               | very heterogenous group with very different potential
               | risks in different contexts.
               | 
               | Is it possible there is something else you are upset
               | about here other than the specifics of what I actually
               | said? There seems to be an undercurrent in your replies
               | about being very skeptical of the idea that any of the
               | widely used plastic polymers are possibly harmful, which
               | I suspect is our real area of disagreement- and we would
               | need to discuss the actual evidence of that for specific
               | molecules with a lot more specifics to actually get
               | anywhere. In a lot of cases the evidence is very minimal,
               | and vague generalizations about the drug-likeness of
               | monomer structures of the kind I am making here is the
               | best current evidence one is going to have. One should
               | absolutely be aware of how small changes in structure can
               | massively alter toxicity, while still making
               | generalizations with the evidence we do have about the
               | relative probabilities of different biological effects
               | from different broad categories of chemical structure.
               | 
               | We must make our decisions with the evidence that exists
               | now, even if we don't like how little we have. One can
               | and should collect better evidence to make better
               | decisions as quickly as it is possible (to get funded to
               | do so). If you're offering the funding, many people
               | including me are quite prepared to collect better
               | evidence starting immediately.
               | 
               | [1] https://www.sciencedirect.com/science/article/pii/S03
               | 0881461...
        
           | kleton wrote:
           | Silicon dioxide is not chemically toxic. But you can put
           | microfiber crystals of it in a mammal's lungs and get tumors
           | that grow around them. It is not a huge stretch of the
           | imagination from there to hypothesize that nano- and micro-
           | particles of a nontoxic polymer could also cause problems.
        
             | UniverseHacker wrote:
             | True- I don't think they are likely to specifically exhibit
             | the drug like toxicity that some other plastics are
             | responsible for, but you are right that doesn't rule out
             | other potential issues from a small, hydrophobic, physical
             | object.
             | 
             | I'm not 100% sure HDPE is safe- and if not it might depend
             | on how it is used, but I am less concerned about it than a
             | lot of other plastics.
        
             | wlesieutre wrote:
             | Since plastic vs wood cutting boards is what kicked this
             | discussion off, I'd also point out fine wood particles will
             | give you lung cancer too
        
           | bilsbie wrote:
           | That's a good point. Why do they say water bottles are so
           | bad? Can't they use something like hdpe?
        
             | tomjakubowski wrote:
             | HDPE Nalgenes (branded "Ultralite") are my standard water
             | bottle. Unlike the clear plastic sort, they're not see-
             | through, nor very heat/impact resistant, but they weigh
             | next to nothing. Just don't use 'em as a hot water bottle.
        
               | UniverseHacker wrote:
               | Same here, although they sadly discontinued the narrow
               | mouth version.
        
               | dublinben wrote:
               | The soft HDPE bottles are actually more heat and impact
               | resistant than the rigid clear polycarbonate ones.
               | They're the standard recommendation for winter hiking.
               | 
               | https://momgoescamping.com/water-bottles-insulators-
               | winter/
        
             | UniverseHacker wrote:
             | Honestly the water bottles are probably fine as they likely
             | don't leach much BPA unless something happens to break the
             | polymer apart- like contact with a strong chemical solvent.
             | Although BPA is an endocrine disruptor, it is likely that
             | normal use of a polycarbonate water bottle is fine. They
             | stopped selling them because people got afraid and stopped
             | buying them. I still see no reason to use one given the
             | uncertainty.
             | 
             | You can get really good HDPE, stainless steel, and glass
             | water bottles with a silicon impact cover.
        
               | dehrmann wrote:
               | There's an argument that polycarbonate is very well-
               | studied and the BPA released is low, while some of the
               | alternatives have unknown risks.
        
         | altairprime wrote:
         | IIRC it's because plastic cutting boards can be put into a
         | sanitizing dishwasher with reliable minimum-effort sanitary
         | outcomes, whereas wood cutting boards require more rigorous
         | care to remain sanitary and so the US generally bans their use
         | rather than allowing rigor as an option. In the US, rigor is
         | historically something one can trust food producers to
         | sacrifice first in favor of turnaround time, profits, etc. so
         | it does make sense that they've just given up and disallowed
         | it. For possible exceptions, look into bamboo cookware and/or
         | sushi preparation?
        
           | xyzzy123 wrote:
           | This makes sense as long as they're replaced on a regular
           | schedule, which again is low effort and easy to verify.
        
         | ziofill wrote:
         | An argument that I've heard is that wooden boards can get more
         | infected with bacterial colonies if not washed and maintained
         | properly. I'm not sure how actually true this is though.
        
         | Wertulen wrote:
         | Well, for one, they're not. "Apparently" in their post implies
         | that they are, but instead signals that they haven't done any
         | actual research. For instance, hard wood cutting boards are
         | permissible for use in Wisconsin:
         | https://docs.legis.wisconsin.gov/code/admin_code/atcp/055/75...
         | 
         | The USDA also recommends wooden cutting boards be used so long
         | as they are properly washed and sanitized before and after use:
         | https://www.fsis.usda.gov/food-safety/safe-food-handling-and...
         | 
         | The main issues with using wood are 1) that generally you don't
         | want to put them in a dishwasher, 2) it's trickier to track
         | cross-contamination as you might with color-coded boards, and
         | 3) they're much more expensive than plastic.
        
       | Jimmc414 wrote:
       | Something this study has me concerned about is that regular
       | piping hot cup of coffee served in a plastic cup. I didn't see it
       | in the plastic list, bit I'm near certain it's not good for EDC
       | and plastic ingestion
        
         | tonymet wrote:
         | if I'm paying for coffee at a coffee shop and they don't have a
         | ceramic mug, i cancel my order. I'd rather drink wine out of a
         | solo cup
        
           | nikolay wrote:
           | I'm doing the same - both for health and taste reasons. Can't
           | imagine drinking coffee in those waxed-paper cups that
           | leaches massively into the coffee - you can even see the wax
           | floating on top! I'm not sure how these ever got approved for
           | hot liquids!
        
             | tonymet wrote:
             | they can't possibly be. One thing I appreciate about
             | PlasticList and similar projects is that they are exposing
             | how flimsy and preposterous most of our food safety
             | protocols actually are.
        
           | idbehold wrote:
           | You may be disturbed to find out how much plastic is in
           | contact with boiling hot water in your typical automatic drip
           | coffee brewer.
           | 
           | I was recently trying to find one without plastic to replace
           | the $25 all black plastic one I've had for years. The only
           | one I could find without any plastic was one of those all
           | metal Bunn ones you see at diners. It was more than $400! And
           | even that still required you to purchase a separate all metal
           | basket as the one that comes with it was plastic. And that
           | coffee maker doesn't really make "good tasting" coffee. Any
           | premium "good tasting" drip coffee maker will have plastic,
           | and probably black plastic at that.
        
             | tonymet wrote:
             | sure , but they are different plastics , with different
             | tolerances, levels of quality control, etc
        
       | eabnelson wrote:
       | i've recently have been frustrated by the tooling out there to
       | identify plastics in consumer products and just released
       | https://getplasticfree.com/
       | 
       | think it would be a helpful tool for people interested in this
       | topic!
        
         | kbaker wrote:
         | hmm, I think some of your ratings might be very misleading. One
         | of the ideas behind plasticlist was looking at things like
         | plastic packaging leaching into the product itself, which
         | wouldn't be in the ingredients list.
         | 
         | For example, you list Fairlife Core Power Chocolate Protein
         | Shake as 100/100 but it is on the plasticlist report as
         | containing levels of DEHP and DEHT, likely coming from the
         | packaging. Not sure what an accurate rating would be, but not
         | 100 for sure.
         | 
         | Maybe it works for non-food items better, but for food it might
         | be counterproductive.
        
           | eabnelson wrote:
           | yep that is a great point! I am taking a generalized approach
           | for now and have started to filter out food as a category.
        
       | tonymet wrote:
       | We're at an interesting inflection point with plastic recycling,
       | where people have generally accepted it's a scam, and the
       | environmental contamination with microplastics becomes too big of
       | a cost to overcome.
       | 
       | This group is calling for foods companies to test all of their
       | inputs. Eventually it is going to point to recycling's plastic
       | processing & grinding stage.
        
       ___________________________________________________________________
       (page generated 2025-01-03 23:02 UTC)