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Phytochemistry. 2003 Aug;63(8):905-11.

Caffeoyl sugar esters and an ellagitannin from Rubus sanctus.

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  • 1National Research Center, Dokki, Cairo, Egypt.

Abstract

The new natural caffeoyl esters, 3,6-di-O-caffeoyl-(alpha/beta)-glucose and 1-O-caffeoyl-beta-xylose, together with the hitherto unknown natural tannin, 2,3-O-hexahydroxydiphenoyl-4,6-O-sanguisorboyl-(alpha/beta)-glucose, have been isolated from the aqueous alcohol aerial part extract of Rubus sanctus. Establishment of all structures was based on the chemical and spectral evidence, including ESI-MS and 2D NMR.

PMID:
12895538
[PubMed - indexed for MEDLINE]
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