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  • Title: Nutritional and chemical evaluation of raw seeds of Canavalia gladiata (Jacq) DC. and C. ensiformis DC: the under utilized food and fodder crops in India.
    Author: Rajaram N, Janardhanan K.
    Journal: Plant Foods Hum Nutr; 1992 Oct; 42(4):329-36. PubMed ID: 1438077.
    Abstract:
    In India, the seeds of Canavalia gladiata and C. ensiformis have traditionally been eaten by the aborigines, but they are less popular among the civilized people. The data on the chemical composition and nutritional quality of these seeds are not readily available. The proximate composition, mineral composition, the contents of total (true) proteins, seed protein fractions, profile of seed protein amino acids and certain antinutritional factors were analysed and reported in the present study. The seeds of C. ensiformis contain more crude protein, crude lipid and minerals like Na, K, Ca, Mg, P, Fe and Mn than does C. gladiata. Both albumins and globulins together constitute the major bulk of seed proteins. In both the species of Canavalia investigated, glutamic acid, aspartic acid, isoleucine + leucine, tyrosine + phenylalanine and lysine are the major amino acids of seed proteins. The presence of certain antinutritional factors (total free phenols, tannins, lectins, L-DOPA, trypsin inhibitor activity) is also reported for both species of Canavalia.
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