Abstract

THE wartime importance of starch makes interesting some of the recent advances made in the study of this carbohydrate in different countries. In India, where the cowpea ( Vigna catjang ) is an important food crop, studies of its properties have been made (2). Analysis of seeds from the long-podded variety showed 39.2 per cent starch and 11.12 per cent soluble carbohydrate. Methods similar to those used commercially in producing cereal starches were applied to the cowpea in the laboratory, and the yields were 20 per cent white starch (87.3 per cent starch, 10.02 per cent moisture, and 0.14 per cent ash) and 74.4 per cent pulp (36.22 per cent protein, 23.1 per cent crude fiber, 27.55 per cent starch, 8.17 per cent moisture, and 4.4 per cent ash). A 3 per cent cowpea starch paste heated to 90° C had a viscosity somewhat higher than that of wheat starch, but lower than that of Indian corn ...

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