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Re: Mold inhibitor (was LFD V4 #57

Hello Rob,

Nipagin -- methyl p-hydroxybenzoate -- is the mold inhibitor used in
fruit fly media. Propionic acid is also a good mold inhibitor, but it
has an odor.



> Date: Sat, 10 Aug 2002 10:03:10 -0400
> From: "Rob St. John" <sevenofthorns at hotmail_com>
> Subject: [none]
> Hey all,
> I'm thinking of making my own fruit fly medium from instant potatoes and
> yeast, but I'm am afraid of it molding over.  I read somewhere online about
> a chemical to place in it to prevent this without causing any harm to the
> flies or the animals that are eating the flies.  I work in the chemical
> stock room at the university I attend so could probably get my hands on it,
> but I can't find the page again.  Does anyone know of any anti-molding
> chemicals to use in a fruit fly batch?  Thanks,
> Rob
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