Studies on the constituents of Leonotis nepetaefolia

Y. Narukawa, N. Shimizu, T. Takeda

研究成果: Article査読

13 被引用数 (Scopus)

抄録

Three new acylated iridoids were isolatad from a methanol extract of Leonotis nepetaefolia R. Br. (Labiatae). Their structures were elucidated as 10-O-(cis-3, 4-dimethoxycinnamoyl) geniposidic acid (2), 10-O-(trans-feruroyl) geniposidic acid (3) and 10-O-(trans-caffeoyl) geniposidic acid (4) on the basis of the spectroscopic data. Antioxidative activities of the compounds were measured by the α, α-diphenyl-β-picrylhydrazyl (DPPH) method. The new iridoid glycoside, 10-O-(trans-caffeoyl) geniposidic acid showed a strong antioxidative activity.

本文言語English
ページ(範囲)79-82
ページ数4
ジャーナルNatural Medicines
55
2
出版ステータスPublished - 2001 1月 1

ASJC Scopus subject areas

  • 分子医療

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