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| - Yeast (Saccharomyces cerevisiae) Protein Concentrate: Preparation, Chemical Composition, and Nutritional andFunctional Properties
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| - The main objective of the present study was to compare the composition and functional and nutritionalproperties of whole yeast cells (WY) from an ethanol distillery with those of a phosphorylated proteinconcentrate (PPC) prepared from the same cells. Comparisons were also made of PPC with texturizedsoy protein (TSP) and soy protein isolate (SPI), both acquired in the local market. Yeast(Saccharomyces cerevisiae) is a rich source of protein, soluble fiber, and some minerals. Saturatedfatty acids predominated over monounsaturated and polyunsaturated in both WY and PPC. Thefunctional properties of PPC were similar to those of SPI and TSP. Both soy products and PPCreplaced 20 or 40% chuck roll protein without affecting the emulsion properties of the meat products.Amino acid scoring was high for both WY and PPC; digestibility was higher (90%) for PPC and lower(68%) for WY. The protein nutritive value of PPC did not differ from that of casein and was significantlyhigher than that for WY. Keywords: Yeast; Saccharomyces cerevisiae; protein; functional properties; nutritive value
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