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Subject: Biochemistry × Author: Devi, Ushma × End date: 2019 × Start date: 2010 × Thesis Type: M.Sc ×
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    ThesisItemOpen Access
    EVALUATION OF BIOCHEMICAL CONSTITUENTS IN PROMISING SOYBEAN (Glycine max) GENOTYPES DEVELOPED IN HIMACHAL PRADESH
    (CSKHPKV, Palampur, 2019-03-08) Devi, Ushma; Mohini, K.
    The mature seeds of ten soybean genotypes were evaluated for biochemical constituents by following standard procedures. Significant statistical differences were observed for the biochemical constituents in the soybean genotypes. Variations were observed in the content of 100 seed weight (11.98 to 20.41g) moisture content (3.59 to 7.25 per cent), crude protein (34.84 to 41.17 per cent), fat (15.63 to 19.82 per cent), ash (4.04 to 5.70 per cent), crude fibre (2.44 to 4.66 per cent), carbohydrates (26.71 to 33.76 per cent), total phenols (287.55 to 626.00 mg/100g), total tannins (95.17 to 282.78 mg/100g) and in vitro protein digestibility (47.02 to 57.59 per cent). Amongst the genotypes studied the highest value was observed in Hara Soya for protein, ash and in vitro protein digestibility; in Himso 1685 for fat; in P50-2-1 for fibre; P12-2-1 in carbohydrate whereas lowest level of phenols and tannins was observed in P50-2-1 and P2-2-1, respectively. The various mineral elements estimated in the soybean genotypes showed significant differences for calcium (252.40 to 480.33 mg/100g), potassium (701.67 to 861.67 mg/100g), magnesium (89.69 to 100.7 mg/100g), nitrogen (5.95 to 7.21 mg/100g), iron (5.73 to 9.07 mg/100g), sodium (8.74 to 15.28 mg/100g)and zinc (1.05 to 1.93 mg/100g). The highest content was observed in Hara Soya for calcium, nitrogen, iron and magnesium. P2-1 for potassium, Palam Early Soya1 for sodium and P4-1 for zinc. The results from this study were utilized for carrying out the cumulative grading based on desirable quality parameters for identifying the best genotypes given below in the descending order:P41/P50-2-1 > Hara Soya > Himso 1685 > P2-2-1 > Palam Early Soya1 > P145-1-1 > P12-2-1 > P2-1 > P60- 2-1. The potentially superior genotypes i.e. P41 & P50-2-1 ranking first, followed by Hara Soya and Himso 1685 thus identified can be used for further developmental research by the plant breeder and cultivation on a large scale by the farmer of H.P and others. The information regarding the identification of bestgenotypes for nutritionally important individual quality parameter will prove beneficial for the consumers.