Flavonoid triglycosides from the seeds of Syzygium aromaticum |
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Authors: | Nassar Mahmoud I |
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Institution: | Natural Products Chemistry Department, National Research Centre, Dokki 12622, Cairo, Egypt. mnassar_eg@yahoo.com |
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Abstract: | Two new apigenin triglycosides, apigenin 6-C-beta-D-xylopyranosyl-(1'-->2')-beta-D-galactopyranoside]-7-O-beta-D-glucopyranoside and apigenin 6-C-beta-D-xylopyranosyl-(1'-->2')-beta-D-galactopyranoside]-7-O-beta-D-(6-O-p-coumarylglucopyranoside) were isolated from the ethanol extract of the seeds of Syzygium aromaticum. Their structures were elucidated by chemical and spectral analysis (UV, FABMS, 1H, 13C NMR, HMQC, HMBC, NOESY and DEPT). |
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Keywords: | Syzygium aromaticum Myrtaceae Flavonoid triglycosides |
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