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phenylethanoid : ウィキペディア英語版 | phenylethanoid
Phenylethanoids are a type of phenolic compounds characterized by a phenethyl alcohol structure. Tyrosol and hydroxytyrosol are examples of such compounds. == Glycosides == The red deadnettle (''Lamium purpureum'') contains phenylethanoid glycosides named lamiusides A, B, C, D and E. The aerial parts of ''Stachys officinalis'' contain phenylethanoid glycosides, (betonyosides A, B, C, D, E and F). Chemical investigation of methanol extracts from ''Pithecoctenium crucigerum'' (Bignoniaceae) showed the presence of five phenylethanoid glycosides (verbascoside, isoverbascoside, forsythoside B, jionoside D and leucosceptoside B), these all active against DPPH. Verbascoside and echinacoside are phenylethanoid and phenylpropanoid hybrids forming ester bonds with sugars.
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