INFLUENCE OF VARIETY, LOCALITY AND SOIL CONTAMINATION ON TOTAL POLYPHENOL CONTENT AND ANTIOXIDANT ACTIVITY OF FABABEAN GRAINS

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February 2012, vol. 1, Special issue
pages: 931-941
Article type: Food Sciences of Food Sciences
Abstract: Polyphenolic compounds are secondary metabolites present in many plant species, including legumes. Their content depends on various factors, such as cultivar, pedo-climatic and cultivation conditions. The influence of cultivar, locality and soil contamination on the total polyphenols and antioxidant activity of fababean was studied. Fababean cultivars were cultivated under different climatic conditions in Iraq and Slovak Republic. The value of polyphenol content was in the range 1583.54 - 3374.91 mg.kg-1 and their antioxidant activity from 16.62 - 38.40 % of DPPH inhibition. The locality and variety were significant factors in explaining differences between the total polyphenols values in fababean. In fababean (cv. Saturn, Zobor) grown under model conditions of vegetation pot trial using the soil (Čakajovce locality, Slovakia) with graduated loading by Zn, the influence of soil contamination on TP content and AOA was not confirmed, only the correlation between cumulated Zn content and TAC in cv. Zobor (at the highest contamination) was strongly negative (r= -0,99).
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