what is yeast made of
Brewer's yeast can be made in one of two ways. When recovered as a by-product of beer making, brewer's yeast is typically grown on grain, usually barley, and has a bitter, unpalatable taste.rewer's yeast can be made in one of two ways. When recovered as a by-product of beer making, brewer's yeast is typically grown on grain, usually barley, and has a bitter, unpalatable taste.