EVALUATION OF BRASSICA SPP. GENOTYPES FOR MINERALS AND OTHER BIOMOLECULES IN EDIBLE LEAVES
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Date
2012
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Punjab Agricultural University, Ludhiana
Abstract
Brassicae crops have been related to the reduction of risk of chronic diseases such as cardiovascular diseases and cancer. The beneficial effects of brassicaceae vegetables on health improvement have been attributed to their complex mixture of phytochemicals possessing antioxidant activity. The present investigation was undertaken in different genotypes of B. juncea (4) and B. napus (4) at three different developmental growth stages i.e. (35, 55, 75 days) to evaluate for presence of antioxidants and other nutritionally important biochemical parameters. In B. juncea PBR 91 and RLM 619 genotypes and in B. napus CNH-9-15 and GSL 1 genotypes showed higher levels of antioxidants (tocopherol, Vitamin C and carotenoids). Higher levels of minerals content were found at initial growth stage i.e. 35 days which decreased with growth stage in both B. juncea and B. napus. Maximum iron content was observed in RLC 1 of B. juncea and CNH-9-19 of B. napus whereas zinc levels were maximum in RLM 619 and PBR 91 genotypes of B. juncea and CNH-9-15 and CNH-9-19 of B.napus. Levels of phytic acid were comparatively low in B. napus as compare to B. juncea. Correlation studies indicated a negative correlation between phytic acid and iron and a positive correlation was observed between tocopherol and protein content whereas glucosinolate and phenol content showed a negative correlation at 35 days old leaves in both genotypes of B. juncea and B. napus.
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