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2016•Asian Pacific Journal of Tropical DiseaseOpen access

Flavonoid constituents of Dipcadi erythraeum Webb. & Berthel.

Mona A. El-Shabrawy, Mona M. Marzouk, Salwa A. Kawashty, Hassnaa Ahmed Hosni, Ibrahim A. El Garf, Nabiel A.M. Saleh

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Abstract

Seven flavonoids were isolated for the first time from the defatted aqueous methanol extract of Dipcadi erythraeum Webb. & Berthel. They were identified as kaempferol (1), quercetin (2), quercetin 3-O-(6″-α-rhamnopyranosyl)-β-glucopyranoside-7-O-α-rhamnopyranoside (3), vitexin (4), isovitexin (5), orientin (6) and isoorientin (7). Their structures were established on the basis of chemical and spectroscopic analysis and also by comparison with authentic samples. The chemosystematic significance of these compounds was also summarized.

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What this paper is about

Seven flavonoids were isolated for the first time from the defatted aqueous methanol extract of Dipcadi erythraeum Webb. & Berthel. They were identified as kaempferol (1), quercetin (2), quercetin 3-O-(6″-α-rhamnopyranosyl)-β-glucopyranoside-7-O-α-rhamnopyranoside (3), vitexin (4), isovitexin (5), orientin (6) and isoorientin (7). Their structures were established on the basis of chemical and spectroscopic analysis and also by comparison with authentic samples. The chemosystematic significance of these compounds was also summarized.

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Available abstract

Seven flavonoids were isolated for the first time from the defatted aqueous methanol extract of Dipcadi erythraeum Webb. & Berthel. They were identified as kaempferol (1), quercetin (2), quercetin 3-O-(6″-α-rhamnopyranosyl)-β-glucopyranoside-7-O-α-rhamnopyranoside (3), vitexin (4), isovitexin (5), orientin (6) and isoorientin (7). Their structures were established on the basis of chemical and spectroscopic analysis and also by comparison with authentic samples. The chemosystematic significance of these compounds was also summarized.

Key concepts: Vitexin, Isovitexin, Orientin, Isoorientin, Kaempferol, Quercetin, Chemistry, Traditional medicine

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