Influence of organic visa vis inorganic farming on quality parameters of adzuki bean Vigna angularis Willd Ohwi Ohashi

Abstract

newline In the present investigation entitled Influence of organic vis-a-vis inorganic farming on quality parameters of adzuki bean [Vigna angularis (Willd.) Ohwi and Ohashi] the fifteen genotypes of adzuki bean grown under inorganic, organic and Zero Budget Natural Farming (ZBNF) production system were procured during 2018-19 and 2019-20, from the Department of Organic Agriculture and Natural Farming, CSK HPKV, Palampur were evaluated in triplicate for various biochemical constituents for quality significance and nutritional aspects by following standard procedures. Besides, the phytochemical constituents, antioxidant properties and anti-nutritional factors analysed in husk and de-husk mature seed samples. Differences among the adzuki bean genotypes grown under three different production systems were also apparent. The mean value of genotypes grown under ZBNF during the both the years of experimentation showed significant variation for crude protein (19.19-22.13 %), in vitro protein digestibility (79.43-90.48 %), methionine (0.76-1.38 g/100g protein), tryptophan (1.49 -1.87 g/100g protein), PPO activity (0.050-0.367 and#916;OD/min), sodium (89.85-123.11 mg/100g), potassium (839.67-1574.72 mg/100g), calcium (253.33- 409.51 mg/100g), magnesium (116.11-178.86 mg/100g), copper (1.21-2.09 mg/100g), iron (3.99- 8.84 mg/100g), manganese (1.24-2.12 mg/100g), zinc (1.21 -2.09 mg/100g), total phenols (1074.23-2011.78 mg/100g), simple phenols (637.68-944.42 mg/100g), flavonoids (18.18-24.46 mg/100g), total carotenoids (1.234-4.739 and#956;g/g), antioxidant activity (0.520-1.776 and#956;g/ml), trypsin inhibitor activity (8903-11055 TIA U/g), tannins (261.75-942.18), saponins (59.58-108.1 mg/100g) and phytic acid (187.77-257.39 mg/100g). Under ZBNF production system recorded significantly higher values for in vitro protein digestibility, limiting amino acids (methionine and tryptophan), PPO activity, protein fractionations and certain minerals (sodium, calcium, magnesium, iron, zinc, manganese and copper), phytochemical constituents (tot