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Studies on the liposoluble components from tuber of Ophiopogon japonicus

CHENG Zhi hong, WU Tao, LI Lin zhou, LIU Nan, YU Bo yang * , XU Luo shan(Department of Complex Prescription of Chinese Materia Medica, China Pharmaceutical University, Nanjing 210038, China)  
OBJECTIVE To investigate the liposoluble components from the tuber of Ophiopogon japonicus METHODS The compounds were isolated by column chromatography with silica gel and Sephadex LH 20 and the structures were elucidated by spectras′ analysis RESULTS Sixteen compounds were obtained as 7 homoisoflavones, 2 anthraquinones, 3 phenolic acids, 2 terpenes and 2 fatty acids Their structures were identified as methylophiopogonanone A(Ⅰ), methylophiopogonanone B(Ⅱ), methylophiopogonone A(Ⅲ), methylophiopogonone B(Ⅳ), 2′ hydroxy methylophiopogonone A(Ⅴ), 6 aldehydo isoophiopogo nanone A(Ⅵ), 5, 7 dihydroxy 8 methoxy 6 methyl 3 (2′ hydroxy 4′ methoxybenzyl)chroman 4 one(Ⅶ), chrysophenol(Ⅷ), emodin(Ⅸ), vanillic acid(Ⅹ), P hydroxy benzaldenhyde (Ⅺ), P trans coumarinic acid(Ⅻ), l borneol β D glucopyranoside(XIII), oleanolia acid(XIV), azelaic acid(XV) and n tricosanoic acid(XVI) CONCLUSION The compound Ⅳ,Ⅷ~Ⅻ and XIV~XVI were isolated from O japonicus and the genus Ophiopogon for the first time, respectively The types of anthraquinone,phenolic acid and triterpene were firstly obtained from the genus
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