1. Department of Phytochemistry，China Pharmaceutical University，Nanjing 210009，China; 2. Institute of Chinese Medical Sciences，University of Macau，Macau，China;3. Institute of Traditional Chinese Medicine and Natural Products，Jinan University，Guangzhou 510632，China; 4. Guangdong Provincial Key Laboratory of Pharmacodynamic Constituents of TCM and New Drugs Research，Jinan University，Guangdong 510632，China
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History+
Received
Revised
Published
2011-11-11
2011-11-11
2012-01-01
Issue Date
2011-02-05
Abstract
OBJECTIVE To study the flavanoids from the seeds of Oroxylum indicum(L.Vent. METHODS The constituents were isolated and purified by repeated column chromatography on silica gel，C18 reverse-phase silica gel and Sephadex LH-20. MS，1H-NMR，13C-NMR spectral techniques were used for structural elucidation. RESULTS Fifteen flavonoids were obtained from Oroxylum indicum(L.Vent and their structures were identified as chrysin(1，baicalein(2，oroxylin A(3，scutellarein(4，aequinoctin(5，oroxin A(6，chrysin 7-O-β-D -glucuronide(7，chrysin 8-C-β-D-glucopyranoside(8，isoquercetin(9，kaempferol 7-O-β-D- glucopyranoside(10，chrysin 7-O-β-D-glucuronide ethyl ester(11，acacetin(12，norwogonine(13，isorhamnetin(14and hispidulin(15，respectively. CONCLUSION Compound 8-14 were obtained from Oroxylum indicum(L.Vent for the first time.
WEN Jing-ing;ZHNG Qing-wen;YIN Zhi-qi;LI Y-ping;HN Xio-wen;YE Wen-ci;.
Flavonoids from the Seeds of Oroxylum indicum(L. Vent[J]. Chinese Pharmaceutical Journal, 2011, 46(3): 170-173
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References
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