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Brewer's yeast

Michael Leibowitz leibowitz at waksman.Rutgers.EDU
Wed Jul 1 16:27:40 EST 1998


Brewer's yeast is typically petite (cannot respire but can ferment).
While baker's and brewer's yeast are both Saccharomyces cerevisiae, they
are obviously each many different strains or mixtures of strains, not to
be confused with the genetically better characterized yeasts in most
research labs.

I was surprised years ago to read that yeast does contain some chromium,
and some chromium complexes in yeast were reported to exhibit weak
insulin-like activity in some cellular assay systems.  I don't recall all
of the details, but your query jogged my memory on this.  I have no idea
of the levels of chromium (I suspect that SOME chromium is present in all
living things!).

Mike Leibowitz
UMDNJ-Robert Wood Johnson Medical School

On Wed, 1 Jul 1998, Rob wrote:

> I have no doubt  you can tell me if brewer's yeast is the same as
> baker's yeast used for baking bread.
> Does it contain chromium?
> Thanks.

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