Soybeen flour destroys Vitamin A. Flour made of legumes.particularly soybeans,and added to bread to improve the colour of the crumb has been found to destroy its vitamin A content.The color which is removed by soybean flour is carotene.which is oxidized and bence decolorized in the process.Since carotene is the basic substance of vitamine A,its activity is thus destroyed.Similar tests with cod-liver oil have shown that soybean flour will destroy atleast on per cent of its vitamin A content.(Scientific America,February 1937).
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