reported that yeast contain protein, fat, ash and nucleic acid around 45-55, 2-6, 5-10 and 6-12 % dry weight, respectively. Moreover, Yamada and Sgarbieri, (2005) study compare the composition and functional
and nutritional properties of whole yeast cells (WY) an ethanol distillery with those of a phosphorylated protein concentrate (PPC) prepared
from the same cells