My current recommendation when either yeast extract or autolyzed yeast extract is listed as an ingredient in foods NOT labeled gluten-free is to contact the manufacturer and ask whether spent yeast from beer manufacturing is the source.Hereâs whyâ¦.y current recommendation when either yeast extract or autolyzed yeast extract is listed as an ingredient in foods NOT labeled gluten-free is to contact the manufacturer and ask whether spent yeast from beer manufacturing is the source. Hereâs whyâ¦.
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AST is one of the two liver enzymes. it stands for aspartate amino transferase. This enzyme is also known as SGOT, which stands for serum glutamic-oxaloacetic transaminase. AST is a protein that is synthesized in the liver cells. When there is liver complication or damage, this enzyme leaks out and enters the blood stream, something that leads to increased level of this type of protein in blood.