Assertion: velvet bean | /r/MadeOf | tannin
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Source sentences:
text: Although the Mucuna beans are suggested for having good nutritional value, it has been reported that velvet bean also contains several anti-nutritional factors such as L-dopa, phenols, tannins, hemagglutinin, trypsin and chymotrypsin inhibitors, anti-vitamins, protease inhibitors, phytic acid, flatulence factors, saponins and hydrogen cyanide (Vadivel, 2000).