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KMID : 0881720090240010094
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Journal of Food Hygiene and Safety
2009 Volume.24 No. 1 p.94 ~ p.101
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Comparison of Biological Activity Between Soybean Pastes Adding Sword Bean and General Soybean Pastes
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Lee Hak-Tae
Kim Jong-Ho
Lee Sang-Sun
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Abstract
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This study was carried out to analyse the biological activity in soybean pastes with the sword beans and general soybean pastes. The electron donating activity of soybean pastes with the sword beans(J2, J4) was higher than other soybean pastes with value of 81.5 ± 2.2% and 88.3 ± 0.7%, respectively. And the content of total phenol compounds was higher in J2 and J4 compared to the others with value of 1773.8 ± 2.9 mg/kg and 1785.7 ± 3.9 mg/kg respectively. ACE inhibitory effect was higher in J2 and J4 than other soybean pastes with value of 63.1 ± 1.0%, 62.1 ± 1.4%, respectively. And aglycone type(daidzein, genistein) isoflavone content was higher than glucoside type(daidzin, genistin). But tyrosinase inhibitory effect was not different among test samples. From the results, soybean pastes with the sword beans(J2, J4) have higher anti-oxidant activity and ACE inhibitory effect than other soybean pastes, therefore, it may have potential to prevent hypertension.
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KEYWORD
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soybean pastes, sword beans, biological activity
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