SCREENING OF PROMISING BLACK GRAM (Vigna mungo (L.) CULTIVARS FOR CHEMICAL COMPOSITION

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Date
1995
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Mahatma Phule Krishi Vidyapeeth, Rahuri.
Abstract
The present investigation was undertafleu to study proximate composition, minerals, Cimiting amino acids, poCyphenaCs and distr ibution of storage proteins into various soCub i(i ty fractions of black gram. The nut r it ionaC compos it ion of b(ack gram cuftivars ranged from •.protein from 22.29 to 27.30 % , crude fat, 1.0 to 1.8 %, crude fibre, 2.6 to 3.25 % and carbonydrate for 54.09 to 59.95 %. The cuftivars T9 had higher protein content (27.30 %) than other cuCtivars. The mineral compos i t i on of black gram cuftivars ranged in mg/lOOg for : phosphorus, 215.5 to 329.2 iron, G.61 to 12 and zinc 4.12 to 5.4. The methionine and tryptophan content of black gram cuftivars ranged from 0.69 to 0.95 and 0.49 to 0.85 3/16 g N, respectively. The polyphenol content of the whole seeds of black gram cuftivars varied from 950 - 1390 mg/100 g. The major protein f ract ions of the black gram cul t i var, T9 ivere af6umin , 19.04%, globul in, 57.21 %, profomiti 2.14 %, gfutefiu 3.37 %, protein(defatted) 27.3 %, and the recovery of protein was 81.76 % and for cuftt'var (UL - 338). The vafues were : albumin, 16,50 %, globulin 59.49 %, protamin 2.31 %, glutei in 4.2 5%, protein (defatted) 22.29%, and recovery of protein 82.50 %, The globulin appeared to be the major storage protein fraction contributing 57.21 % and 59.49 % of the protein in T9 and TJL-338 cuftivars respectively.
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