Separation of five flavonoids from tartary buckwheat (Fagopyrum tataricum (L.) Gaertn) grains via off-line two dimensional high-speed counter-current chromatography

被引：52

作者：

Jiang, Shujing ^{[1
]}

Liu, Qi ^{[1
]}

Xie, Yixi ^{[1
]}

Zeng, Hualiang ^{[1
]}

Zhang, Li ^{[1
]}

Jiang, Xinyu ^{[1
]}

Chen, Xiaoqing ^{[1
,2
]}

机构：

[1] Cent S Univ, Coll Chem & Chem Engn, Changsha 410083, Hunan, Peoples R China

[2] Collaborat Innovat Ctr Resource Conserving & Envi, Changsha 410083, Hunan, Peoples R China

来源：

FOOD CHEMISTRY | 2015年 / 186卷

基金：

高等学校博士学科点专项科研基金; 中国国家自然科学基金;

关键词：

Tartary buckwheat; Off-line two-dimensional; Flavonoids; High speed counter-current chromatography; Fagopyrum tataricum (L.) Gaertn; PERFORMANCE LIQUID-CHROMATOGRAPHY; BRAN EXTRACT; PREPARATIVE SEPARATION; CHEMICAL-CONSTITUENTS; ANTIOXIDANT ACTIVITY; MASS-SPECTROMETRY; ESCULENTUM-MOENCH; COMMON BUCKWHEAT; PURIFICATION; SPROUTS;

D O I：

10.1016/j.foodchem.2014.08.120

中图分类号：

O69 [应用化学];

学科分类号：

081704 ;

摘要：

An off-line two dimensional (2D) high-speed counter-current chromatography (HSCCC) strategy was successfully used for preparative separation of five flavonoids from tartary buckwheat (Fagopyrum tataricum (L.) Gaertn) grains with different solvent systems for the first time in this paper. n-Hexane-ethyl acetate-methanol-water 3:5:3:5 (v/v) was selected as the first dimension solvent system to purify quercetin (4) and kaempferol (5). The second dimension solvent system, ethyl acetate-n-butanol-water 7:3:10 (v/v), was used to isolate quercetin 3-0-rutinoside-3'-O-beta-glucopyranoside (1), rutin (2) and kaempferol 3-rutinoside (3). The purities of these compounds were all above 96.0% and their structures were identified through UV, MS and H-1 NMR. The results indicated that the off-line 2D HSCCC is an efficient technique to isolate flavonoids compounds from grains. (C) 2014 Elsevier Ltd. All rights reserved.

引用

页码：153 / 159

页数：7

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