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Section: Questions   Category: Halacha
Submitted by Avi Shlomo  Answered by Rav Peretz Moncharsh
Answer: Though the yeast itself is a microorganism which is not chometz, the medium on which it grows is often chometz. Since it is inevitable that some of the medium is mixed in with the yeast itself, the yeast should be destroyed before Pesach.
posted:2008-04-18 15:04:10

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