People in third world and developing countries are suffering from menace of protein deficiency in their diets resulting in serious protein malnutrition problems. The situation, accompanied with rapid population growth demands exploration of new & un-conventional protein sources to fortify human foods. Saccharomyces cerevisiae is very promising and cost effective source of single cell protein due to its bigger size, easy harvesting, lower amount of nucleic acids and good blend of essential amino acids. Its protein quality & chemical score is comparable with soybean or egg protein. The yeast is...