Abstract
Seed quality of soybean, Glycine max (L.) Merrill at harvest is dependent upon the environmental conditions during its development and maturation. Stability of performance of genotypes across the environment is considered essential for the release of soybean cultivars with improved nutritional quality. The objective of the present study was to compare the contents of anti-nutrients and bioactive compounds of twenty soybean genotypes grown at two locations (Ludhiana and Gurdaspur) and two planting times (June and July) in Punjab state of India. Averaged over both, the locations and planting times, genotype ‘SL 313’ showed the least trypsin inhibitor activity while ‘SL 992’ exhibited minimum phytate and saponin contents. Genotypes ‘SL 989’ and ‘DS 2614 contained minimum contents of phenols and tannins respectively. Minimum trypsin inhibitor activity in all the genotypes was observed at Ludhiana in June planting and phytate and saponins at Gurdaspur during July planting. Averaged over 20 genotypes, the maximum mean values for phytate was observed at Ludhiana in June planting. All the genotypes expressed maximum saponin content at Ludhiana except ‘Sel P’. Averaged over 20 genotypes, minimum phenol and tannin contents were observed at Ludhiana during June planting. It is important to identify genotypes with variable concentrations of these anti-nutrients so as to develop cultivars depending upon their further utilization in food industry or for medicinal applications.
Published Version
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