DIOSCOREA

作品数：129被引量：600H指数：11
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Panthogenins A and B,two novel norergostanol steroids from Dioscorea panthaica被引量：3
《Chinese Chemical Letters》2014年第9期1256-1258,共3页Xiao-Qing Shan Shu-Lin Peng Hai-Li Shi Xiao-Ling Wang Li-Sheng Ding Xun Liao 
Financial support from the National Natural Science Foundation of China (Nos.21072184,30973634 and 81173536)
Two novel 27-norergostanol steroids, panthogenins A （1） and B （2）, possessing unusual rings E and F featuring a ketal moiety at C-25 were isolated from rhizomes ofDioscorea panthaica. Their structures and relative...
关键词：Dioscorea panthaica DIOSCOREACEAE Norergostanol steroids Structural elucidation Insulin sensitizing activity 
The Crystalline Changes of Starch from Rhizoma Dioscorea by Acid Hydrolysis
《Chinese Chemical Letters》2006年第9期1255-1258,共4页Shu Jun WANG Wen Yuan GAO Jing Lin YU Pei Gen XIAO 
The changes in crystalline properties of starch from Rhizoma Dioscorea by acid hydrolysis was characterized by X-Ray diffractometry （XRD）. The results revealed that the crystalline type of Rhizoma Dioscorea starch c...
关键词：Rhizoma Dioscorea STARCH CRYSTALLINE acid hydrolysis X-ray diffraction. 
A New Furostanol Saponin from the Water-extract of Dioscorea nipponica Mak.,the Raw Material of the Traditional Chinese Herbal Medicine Wei Ao Xin被引量：1
《Chinese Chemical Letters》2004年第10期1191-1194,共4页ChengBinCUI ChiXU QianQunGU ShiDongCHU HaiHongJI GangJING 
O-a-D-Glucopyranosyl-furost-5(6),20(22)-dien-3a,26-diol 1, a new furostanol saponin, was isolated from the water-extract of Dioscorea nipponica Mak., the raw material of a traditional Chinese herbal medicine Wei Ao Xi...
关键词：O-a-D-Glucopyranosyl-furost-5(6) 20(22)-dien-3a 26-diol furostanol saponin steroidal saponin structure NMR Dioscorea nipponica Dioscoreaceae. 
A New Steroidal Saponin from Dioscorea deltoidea Wall var. orbiculata被引量：4
《Chinese Chemical Letters》2002年第9期851-854,共4页PingSHEN XiKuiLIU 等 
Bioactivity-guided fractionation led to the isolation of a new steroidal saponin, orbiculatoside B, together with a pair of furostanol saponins, protobioside and methyl protobioside, from the fresh rhizomes of Dioscor...
关键词：Dioscorea deltoidea Wall var. Orbiculata orbiculatoside B Pyricularia oryzae cytotoxic. 
A New Furostanol Saponin from Dioscorea futshauensis被引量：1
《Chinese Chemical Letters》2002年第3期241-244,共4页Hong Wei LIU Ge Xia QU Xin Sheng YAO 
We appreciate the kind help of Prof. Qishi Sun in Shenyang Pharmaceutical University for his identification of the plant material. Thanks are also extended to Prof. Naili Wang and Doctor Feng Qiu for their advices and assistance.;References
A new furostanol saponin presenting moderate bioactivity of inducing morphological deformation of Pyricularia oryzae mycelia was isolated from Dioscorea futshauensis R.Kunth by bioactivity-guided fractionation. The s...
关键词：Furostanol glycoside Dioscorea futshauensis Pyricularia oryzae. 
A New Spirostanol Saponin from Dioscorea futshauensis被引量：4
《Chinese Chemical Letters》2001年第7期613-616,共4页Hong Wei LIU Hisayoshi KOBAYASHI Ge Xia QU Xin Sheng YAO 
A new spirostanol saponin presenting strong activity of inducing morphological deformation of Pyricularia oryzae mycelia was isolated from Dioscorea futshauensis R. Kunth by bioactivity-guided fractionation. The struc...
关键词：New spirostanol glycoside Dioscorea futshauensis Pyricularia oryzae 
A New Pregnane Glycoside from Dioscorea collettii var. hypoglauca
《Chinese Chemical Letters》1998年第8期739-742,共4页Hu, K Dong, AJ Kobayashi, H Iwasaki, S Yao, XS 
A new pregnane glycoside hypoglaucin G was isolated from Dioscorea collettii var. hypoglauca by bioactivity-guided fractionation, which showed a moderate activity of inducing morphological deformation of the Pyricular...
关键词：hypoglaucin G Dioscorea collettii var. hypoglauca Pyricularia oryzae 
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