期刊
INDIAN JOURNAL OF PHARMACEUTICAL SCIENCES
卷 77, 期 1, 页码 91-95出版社
INDIAN PHARMACEUTICAL ASSOC
DOI: 10.4103/0250-474X.151603
关键词
trans-5-O-caffeoylquinic acid; cis-5-O-caffeoylquinic acid; Nerium indicum; chromatography; mass data
Four major compounds were separated and identified from the methanol extracts of Nerium indicum flowers (Arali) using HPLC and mass spectral data. Through mass data, the chemical structures were elucidated as: trans5-O-caffeoylquinic acid (1), quercetin-3-O- rutinoside (2), luteolin-5-O-rutinoside (3) and luteolin-7-O-rutinoside (4). In addition, the cis isomers of 5-O-caffeoylquinic acid in Nerium indicum flowers were confirmed by Mass, HPLC and UV. The structures of these compounds confirmed with the help of liquid chromatography mass spectrometry.
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