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Journal of Plant Sciences
Year: 2007  |  Volume: 2  |  Issue: 4  |  Page No.: 433 - 439

Biochemical and Nutritional Assessment of Rhynchosia hirta (Andr.) Meikle and Verdc (Papilionaceae)

K. Sri Rama Murthy and Vivek Babu Kandimalla    

Abstract: Seeds of Rhynchosia hirta (Andr.) Meikle and Verdc. locally known as Adavi Kandulu in Telugu, used as food by local tribal in the Udayagiri forest of Nellore district of Andhra Pradesh of southern Peninsular India. The mature seed samples were analysed for proximate composition, total (true) seed protein fractions, amino acid composition, fatty acids profiles, mineral and antinutritional factors. The investigated seed samples contained higher amount of crude protein, crude fat, ash and nitrogen free extractives constitute 19.05, 8.73, 4.48 and 48.78 g/100 seed powder, respectively. The calorific value of seed material was 1690.9 kJ/100 g Dm. The essential amino acids, isoleucine, tyrosine and phenylalanine, were present in relatively large quantities. The fatty acid profiles revealed that the seed lipids contained higher concentrations of palmitic and linoleic acids. The seeds are rich in sodium, Phosphorous, calcium, zinc, manganese and iron. Anti-nutritional factors, such as total free phenols, (2.25%) tannins (4.75%), L-DOPA (0.65%), hydrogen cyanide (0.0654%) and phytic acid (1.32%) are, present in variable quantities. This paper presents the analytical data on the chemical composition and nutritional potential of Rhynchosia hirta seeds with regard to its suitability as a regular component in human diet.

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