From owner-drosophila@net.bio.net Tue Jan 24 22:00:00 1995
Path: biosci!COMP.UARK.EDU!wetges
From: wetges@COMP.UARK.EDU (William J. Etges)
Newsgroups: bionet.drosophila
Subject: Re: FW: Instant Media
Date: 25 Jan 1995 06:50:50 -0800
Organization: BIOSCI International Newsgroups for Molecular Biology
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Message-ID: <199501251450.IAA02062@comp.uark.edu>
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At  7:46 PM 24/1/95 -0800, Fidler, Andrew wrote:
> ----------
>From: Fidler, Andrew
>To: Drosophila
>Subject: Instant Media
>Date: Friday, 20 January 1995 12:39PM
>
>I am trying to produce an instant media for use in secondary school biology
>class.... one of these "just add water" type of mixes.  The problem I'm
>facing is with the fungicide.... the fungicide I have been using,
>methylparaben, is not soluble in cold water and so isn't really suitable.
> Can anyone suggest an altenative that is readily water soluble?


One can also use proprionic acid at a final concentration (once the food is
made) of ca.0.5 %. Thus you could make a 0.5% of sterilized distilled water
to add to the dry materials. Just make sure you try it out first.

Bill

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William J. Etges                                "I wish the Bald Eagle
Department of Biol. Sciences            had not been chosen
University of Arkansas                      as the Representative
Fayetteville, AR 72701  USA            of our country! The
wetges@comp.uark.edu                   Turkey is a much more
voice: (501) 575-6358                       respectable Bird,
FAX   (501) 575-4010                        and withal a true
                                                           native of America."

                                                   -Benjamin Franklin, from a
                                                   letter to his daughter.

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