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国家自然科学基金(81173536)

作品数:2 被引量:6H指数:2
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Panthogenins A and B,two novel norergostanol steroids from Dioscorea panthaica被引量:3
2014年
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 configurations were elucidated by extensive spectroscopic methods including 1D and 2D NMR techniques, and the structure of panthogenin A was further confirmed by X-ray crystallography. Both compounds showed potent in vitro insulin sensitizing activity.
Xiao-Qing ShanShu-Lin PengHai-Li ShiXiao-Ling WangLi-Sheng DingXun Liao
关键词:DIOSCOREACEAE
Selective extraction of flavonoids from Ginkgo biloba leaves using human serum albumin functionalized magnetic nanoparticles被引量:3
2013年
In a novel procedure, human serum albumin timctionalized magnetic nanoparticles ( HSA-MNPS ) were used to selectively extract nine flavonoids in the extract of Ginkgo biloba leaves. The chemical structures of those flavonoids were characterized with high performance liquid chromatography coupled with mass spectrometry (HPLC-MS). The selective extraction with HSA-MNPs coupled with structural elucidation with HPLC-MS shows powerful potential for analysis of bioactive components in traditional Chinese medicines.
Xiao-Yun RenYing XueJian LiangLi-Sheng DingXun Liao
磁性多壁碳纳米管固相萃取山茱萸中的活性成分
目的:山茱萸(Cornus officinalis)有增强免疫、抗炎及抗菌等功效。柚皮素是山茱萸的主要活性成分之一,属于二氢黄酮类化合物,具有抗菌、抗炎、抗氧化、抗癌及降血脂的作用;临床应用于治疗细菌感染,是镇静和抗癌类...
曾琼胡瑾洁万虹廖循
关键词:固相萃取柚皮素山茱萸
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