Rape Seeds as a Source of Feed and Food Proteins

Open access

Abstract

Amino acid content of proteins, fatty acid composition of oil, glucosinolate content, nutritive value of protein products and functional properties of protein isolates from rape seeds of spring and winter varieties of modern selection were studied in this work. Investigated rape samples had low glucosinolate and low erucic acid content. Tetrachimena piriformis was used for estimation of relative toxicity of protein products. These values were compared with the same value of casein. Sufficiently high nutritive values (90.1-95.9%) of winter rape cake, both samples of rape meal and protein isolates were detected. Rape seed protein isolates had high oil binding, emulsifying and foaming capacities. At the same time, water holding capacity of rape seed protein isolates was lower than that of soy protein isolates. We have concluded that protein products from rape seeds of modern selection are important sources of feed and food proteins.

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Polish Journal of Food and Nutrition Sciences

The Journal of Institute of Animal Reproduction and Food Research of Polish Academy of Sciences in Olsztyn

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