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- Some are very toxic (as A. flavus) produces highly toxic toxins not affected by heat
or acids (Aflatoxins).
*Cyclosporine: suppresses the activity of the immune system and is administered after an organ
transplant to help prevent rejection of the organ. It's also used to treat some autoimmune diseases.
–fungus Tolypocladium inflatum
Yeast
Yeast consists of unicellular fungi belonging to the genus Saccharomyces as S. cerevisae, family
Saccharomycetaceae.
Compressed or Bakers’ Yeast:
It contains about 73 % moisture, 13 % proteins, 0.27 % oil, enzymes (as zymase, invertase,
maltase, diastase, endocryptase,etc.), carbohydrates ( glycogen ), fats, sterols, vitaminB complex
( B1, B2, B6, nicotinic acid, pantothenic acid ).
Dried Yeast:
It is a buff or brownish powder obtained by drying at a temperature not exceeding 30oC. It is
used for making tablets consists of dead cells. Some varieties consist of dead cells and others in
the resting stage which may resume growth when placed under suitable conditions.
It contains about 9 % moisture, 46 % proteins, 36 % carbohydrates, vitamins as fresh yeast.
Action and Uses:
The chief use of yeast is as a source of vitamin B, enzymes and proteins.
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