Radical Scavenging Activity of Phenylpropanoid Glycosides in Caryopteris incana

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概要

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• In our screening program for antioxidants from traditional drugs and foodstuffs, one new phenylpropanoid glycoside, incanoside, was isolated together with four known phenylpropanoid glycosides, verbascoside, isoverbascoside, phlinoside A, and 6-O-caffeoyl-β-D-glucose from the whole plant of Caryopteris incana (Thunb.) Miq. On the basis of chemical evidence and spectral analysis data, the structure of incanoside was determined to be 1-O-(3,4-dihydroxyphenyl) ethyl-O-β-D-glucopyranosyl (1→2)-α-L-rhamnopyranosyl (1→3)-6-O-caffeoyl-β-D-glucopyranoside. The four phenylpropanoid glycosides exhibited potent radical scavenging activity against DPPH, hydroxyl (・OH), and superoxide anion (O_2・^-) radicals.

• 1999-06-23

著者

• Nukina Manabu

  Faculty Of Agriculture Yamagata University

• Gao Jianjun

  Faculty Of Agriculture Yamagata University

• Gao Jian-Jun

  Faculty of Agriculture, Yamagata University

関連論文

• Three New Phenylethanoid Glycosides from Caryopteris incana and Their Antioxidative Activity
• Radical Scavenging Activity of Phenylpropanoid Glycosides in Caryopteris incana

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