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KMID : 0380619930250030238
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Korean Journal of Food Science and Technology
1993 Volume.25 No. 3 p.238 ~ p.242
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Inhibition Effect of Against Angiotensin Converting Enzyme of Flavan - 3 - ols isolated Korean Green Tea
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Abstract
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For the purpose of utilizing tannins in the functional foods and crude drugs, the enzyme inhibition of tannins isolated from Korean green tea were determined. Acetone extract from Korean green tea showed inhibition effect against the angiotensin converting enzyme. The galloyl tannins showed higher inhibition activity against angiotensin converting enzyme than the nongalloyl tannins. In terms of stereo isomers, (-)-epicatechins had higher inhibition activity than the (+)-catechins. The synergistic activity was also observed. Tannins isolated from Korean green tea appeared to be incompetitive inhibitor against the angiotensin converting enzyme.
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KEYWORD
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