The production of single cell protein from Saccharomyces cerevisiae using papaya extract as a
substrate. The results of the chemical analysis of papaya fruit extract established that it is a good
energy and nutrient source for cell mass formation with high saccharide content of 9.8%. The
result of chemical analysis of the dry yeast cells show that the yeast protein was of high
nutritional value. It has been given good result for single cell protein production. So this biomass
is used for cattle feed and poultry feed.