Results 41 to 50 of about 1,243 (197)

Preparative Separation of Lappaconitine from Aconitum leucostomum by HSCCC

Natural Products Chemistry & Research, 2017
This paper describes a system for the preparation of lappaconitine from Aconitum leucostmum Worosch., using HSCCC, and examines the effect of the two-immiscible solvent system (TISS) composed of chloroform- methanol-0.2 mol/L hydrochloric acid (4:1.5:2).
Amatjan A, Slukhan U, Li C, Ke Lin HU, Haji Akber Aisa   +4 more
openaire   +1 more source

Preparative separation and purification of deoxyschizandrin from Schisandrae Sphenantherae Fructus by high-speed counter-current chromatography

Journal of Pharmaceutical Analysis, 2013
A high-speed counter-current chromatography (HSCCC) method was successfully developed for the preparative separation and purification of deoxyschizandrin from Schisandrae Sphenantherae Fructus in one step.
Xin-Ying Li, Mei Yang, Jie-Yun Huang, Xiao-Xue Yu, Min-Qian Zhao, Zhi-Kun Liang, Zhi-Sheng Xie, Xin-Jun Xu   +7 more
doaj   +1 more source

HSCCC isolation and characterization of walnut polyphenols with antioxidative and lipolytic activity

The FASEB Journal, 2013
In order to characterize the structures, biological activity, and mechanisms of action for walnut constituents, the key phytochemicals must be isolated in sufficient quantities. The objective of this research was to establish a method for rapid separation of walnut polyphenols which preserves structural integrity and yields high ...
Mary H Grace, Scott A Neff, Charles Warlick, Elaria Ayoub, Debora Esposito, Mickey Wilson, Slavko Komarnytsky, Mary Ann Lila   +7 more
openaire   +1 more source

The Passiflora tripartita (Banana Passion) Fruit: A Source of Bioactive Flavonoid C-Glycosides Isolated by HSCCC and Characterized by HPLC–DAD–ESI/MS/MS [PDF]

, 2013
The banana passion fruit (Passiflora tripartita Breiter, Passifloraceae) known as “tumbo” is very appreciated in tropical and subtropical countries of South America. Methanolic extracts from peel and the fruit juice of P. tripartita growing in Chile were
Mario J. Simirgiotis, Kennelly, Edward J., Edward Kennelly, Simirgiotis, M.J., Mario Simirgiotis, Edward J. Kennelly, Kennelly, E.J., Simirgiotis, Mario J., Bórquez, Jorge, Jorge Bórquez, Schmeda-Hirschmann, Guillermo, Borquez, J., Schmeda-Hirschmann, G., Guillermo Schmeda-Hirschmann   +13 more
core   +1 more source

Separation and Preparation of Sanguinarine and Chelerythrine from Macleaya cordata Root by High Speed Counter-Current Chromatography

Shipin gongye ke-ji, 2022
The aim of this study was to develop a method for the separation and preparation of high purity sanguinarine and chelerythrine by conventional high speed counter-current chromatography.
Changqing JIA, Rui MA, Xicheng QIAN, Dandan WANG, Jiansheng YU   +4 more
doaj   +1 more source

Isolation of α-Amylase Inhibitors from Kadsura longipedunculata Using a High-Speed Counter-Current Chromatography Target Guided by Centrifugal Ultrafiltration with LC-MS

Molecules, 2016
In this study, a high-speed counter-current chromatography (HSCCC) separation method target guided by centrifugal ultrafiltration with high-performance liquid chromatography-mass spectrometry (CU-LC-MS) was proposed.
Yin Cen, Aiping Xiao, Xiaoqing Chen, Liangliang Liu   +3 more
doaj   +1 more source

Isolation and Purification of Oridonin from the Whole Plant of Isodon rubescens by High-Speed Counter-Current Chromatography

Molecules, 2011
Semi-preparative high-speed counter-current chromatography (HSCCC) was successfully used for isolation and purification of oridonin from Isodon rubescens by using a two-phase-solvent system composed of n-hexane-ethyl acetate-methanol-water (2.8:5:2.8:5 ...
ChunYue Yu, Sen Li, Weili Yang, Jing Wei, Jing Wang, Chenghua Han, Yuhua Bai, Fa He   +7 more
doaj   +1 more source

J. Chromatogr. A

, 2004
The component of the traditional Chinese medicine (TCM) can be influenced by soil, climate, and growth stage, and fingerprint is an important means in its quality control. Our previous studies showed that high-speed counter-current chromatography (HSCCC)
Su, ZG, Gu, M, Zhang, SF, Chen, Y, Fan, OY   +4 more
core   +2 more sources

Preparative separation and purification of bufadienolides from ChanSu by high-speed counter-current chromatography combined with preparative HPLC

Química Nova, 2013
Eight bufadienolides were successfully isolated and purified from ChanSu by high-speed counter-current chromatography (HSCCC) combined with preparative HPLC (prep-HPLC).
Jialian Li, Yongqing Zhang, Yunliang Lin, Xiao Wang, Lei Fang, Yanling Geng, Qinde Zhang   +6 more
doaj   +1 more source

Preparative Isolation and Purification of Lignans from Justicia procumbens Using High-Speed Counter-Current Chromatography in Stepwise Elution Mode

Molecules, 2015
Lignans, which are recognized as main constituents in Justicia procumbens, have attracted considerable attention due to their pharmacological activities, including antitumor, anti-hepatitic, cytotoxic, anti-microbial, and anti-virus properties ...
Peijuan Zhou, Qijun Luo, Lijian Ding, Fang Fang, Ye Yuan, Juanjuan Chen, Jinrong Zhang, Haixiao Jin, Shan He   +8 more
doaj   +1 more source