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Isolation and structure determination of a new flavone glycoside from seed residues of seabuckthorn (Hippophae rhamnoides L.)
Zhou, Wenna ; Yuan, Zhenzhen ; Li, Gang ; Ouyang, Jian ; Suo, Yourui ; Wang, Honglun
2018
发表期刊NATURAL PRODUCT RESEARCH
摘要In this study, a valid method was established for the isolation and purification of flavone glycosides from Hippophae rhamnoides L. seed residues using high-speed counter-current chromatography in one step, with a solvent system of ethyl acetate-methanol-n-butyl alcohol-water (9:1:0.5:9, v/v/v/v). A total of 28.8mg compound I and 57.3mg compound II were obtained from 200mg of flavone H-glycosides rich extract, with purities of 98.3 and 96.4%, respectively. The structures of two compounds were identified by MS and NMR. 3-O--D-Sophorosylkaempferol-7-O-{3-O-[2(E)-2,6-dimethyl-6-hydroxyocta-2,7-dienoyl]}--L-rhamnoside is compound I and compound II named hippophanone is a new compound were identified by MS and NMR. The method was efficient and convenient, which could be used for the preparative separation of flavone glycosides from H. rhamnoides L. seed residues.
文献类型期刊论文
条目标识符http://210.75.249.4/handle/363003/33984
专题中国科学院西北高原生物研究所
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GB/T 7714
Zhou, Wenna,Yuan, Zhenzhen,Li, Gang,et al. Isolation and structure determination of a new flavone glycoside from seed residues of seabuckthorn (Hippophae rhamnoides L.)[J]. NATURAL PRODUCT RESEARCH,2018.
APA Zhou, Wenna,Yuan, Zhenzhen,Li, Gang,Ouyang, Jian,Suo, Yourui,&Wang, Honglun.(2018).Isolation and structure determination of a new flavone glycoside from seed residues of seabuckthorn (Hippophae rhamnoides L.).NATURAL PRODUCT RESEARCH.
MLA Zhou, Wenna,et al."Isolation and structure determination of a new flavone glycoside from seed residues of seabuckthorn (Hippophae rhamnoides L.)".NATURAL PRODUCT RESEARCH (2018).
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