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Variation in antioxidative activity of soybean (Glycine max L.) varieties with crop year and duration of storage time
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机译：Variation in antioxidative activity of soybean (Glycine max L.) varieties with crop year and duration of storage time
To assess the antioxidative activity of Korean soybeans Glydne max (L.) Merrill, 15 varieties were cultivated at Seoul, Suwon, and Kyongsan in 1998, 1999, and 2000, and then stored for three years. The antioxidative activities were measured usingsuperoxide dismutase (SOD), l,l-Diphenyl-2-picrylhydrazyl (DPPH), and thiobarbituric acid (TBA) within each crop year and after storage. In 1998 crops, the Jinpuml, Myeongjunamul, and Daweon varieties showed the highest SOD activities for all three sites. Highest SODs were detected from Daweon, Myeongjunamul, and Suwon 157 in 1999, Myeongjunamul and Shinpaldal2 in 2000 crops. Myeongjunamul and Daweon varieties showed the highest SOD activities at all sampling times. Hannam and Suwon 157 showed high DPPHinhibitions in 1998 crops. Daweon had the highest inhibition compared with other soybean varieties in 1999 crops, while Daweon and Suwon 157 had the highest inhibition in 2000 crops. Daweon and Suwon 157 showed the highest DPPH inhibition regardless ofstorage time, whereas Shinpaldall stored for one year, and Jinpum2 stored for two and three years displayed low DPPH inhibition. SS2, Hwangkeum, and Danbaek varieties showed the highest antioxidative activities at all locations in 1998. The Hwaeomput, Muhan, and Hwangkeum varieties in 1999, and the Daweon and Suwonl57 varieties in 2000 displayed the highest inhibition of lipid oxidation. Daweon, Myeongjunamul, and Suwon 157 varieties were found to have high TBA inhibition at all storage times sampled.
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