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1995•Zeitschrift für Naturforschung COpen access

Notes: Flavonols from Cryptocarya alba

Barbara N. Timmermann, Susanne Valcic, Yong‐Long Liu, Gloria Montenegro

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Abstract

Ten flavonoids and chlorogenic acid were isolated from the leaves and stems of Cryptocarya alba (Lauraceae). The flavonoids were identified as isorhamnetin. kaempferol, quercetin and their glycosides isorhamnetin-3-O-rhamnoside, isorhamnetin-3-O-galactoside, isorhamnetin-3-O-glucoside, kaempferol-3-O-galactoside, quercetin-3-O-rhamnoside (quercitrin), quercetin-3-O- galactoside (hyperoside), and quercetin-3-O-glucoside (isoquercitrin).

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What this paper is about

Ten flavonoids and chlorogenic acid were isolated from the leaves and stems of Cryptocarya alba (Lauraceae). The flavonoids were identified as isorhamnetin. kaempferol, quercetin and their glycosides isorhamnetin-3-O-rhamnoside, isorhamnetin-3-O-galactoside, isorhamnetin-3-O-glucoside, kaempferol-3-O-galactoside, quercetin-3-O-rhamnoside (quercitrin), quercetin-3-O- galactoside (hyperoside), and quercetin-3-O-glucoside (isoquercitrin).

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Available abstract

Ten flavonoids and chlorogenic acid were isolated from the leaves and stems of Cryptocarya alba (Lauraceae). The flavonoids were identified as isorhamnetin. kaempferol, quercetin and their glycosides isorhamnetin-3-O-rhamnoside, isorhamnetin-3-O-galactoside, isorhamnetin-3-O-glucoside, kaempferol-3-O-galactoside, quercetin-3-O-rhamnoside (quercitrin), quercetin-3-O- galactoside (hyperoside), and quercetin-3-O-glucoside (isoquercitrin).

Key concepts: Isorhamnetin, Quercitrin, Quercetin, Kaempferol, Hyperoside, Chemistry, Flavonols, Botany

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