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Nat Prod Commun. 2009 Apr;4(4):511-2.

Structures of new phenolic glycosides from the seeds of Cucurbita moschata.

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Department of Chemistry, Dalian Medical University, 9 Western Section, Lvshun South Road, Dalian, 116044, P.R. China.


A new phenolic glycoside and three known compounds were isolated from the seeds of Cucurbita moschata. The structures of the new compound was elucidated as phenylcarbinyl 5-O-(4-hydroxy)benzoyl-beta-D-apiofuranosyl (1-->2)-beta-D-glucopyranoside on the basis of spectroscopic analysis and chemical evidence. Three known compounds were identified as 1-O-benzyl[5-O-benzoyl-beta-D-apiofuranosyl(1-->2)]-beta-D-glucopyranoside 2, cucurbitosides C 3 and A 4, by comparison of the spectral data with reported data. Compound 2 was isolated from this plant for the first time.

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