Results 31 to 40 of about 19,880 (279)

Isolation and identification of unstable components from Caesalpinia sappan by high-speed counter-current chromatography combined with preparative high-performance liquid chromatography

Open Chemistry, 2022
Caesalpinia sappan L. (C. sappan L.), a traditional Chinese medicine, has been widely used to treat bruises and dysmenorrhea, performing pharmacological activities such as anti-inflammatory and anti-tumor. C. sappan L.
Wu Yameng, Xie Jianhui, Zeng Jielin, Bai Rui, Zhang Hui, Yan Jizhong   +5 more
doaj   +1 more source

Efficient Preparation of Streptochlorin from Marine Streptomyces sp. SYYLWHS-1-4 by Combination of Response Surface Methodology and High-Speed Counter-Current Chromatography. [PDF]

Molecules, 2016
Since first isolated from the lipophilic extract of Streptomyces sp. SF2583, streptochlorin, has attracted a lot of attention because of its various pharmacological properties, such as antibiotic, antiallergic, antitumor, and anti-inflammatory activities.
Li L, He S, Ding L, Yuan Y, Zhu P, Epstein S, Fan J, Wu X, Yan X.   +8 more
europepmc   +2 more sources

A Neglected Issue: Stationary Phase Retention Determination of Classic High-Speed Counter-Current Chromatography Solvent Systems

Separations, 2022
Obtaining an ideal solvent system for target compounds is still an obstacle to the wide application of high-speed counter-current chromatography (HSCCC).
Sha Li, Tiandan Li, Xiaochao Hu, Yong Yang, Yangyi Huang, Kai He   +5 more
doaj   +1 more source

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 separation and purification of sesquiterpenoids from tussilago farfara l. by high-speed counter-current chromatography

Química Nova, 2011
Preparative high-speed counter-current chromatography (HSCCC) was successfully applied for separation and purification of sesquiterpenoids from an extract of Tussilago farfara L.
Daijie Wang, Lei Fang, Xiao Wang, Jiying Qiu, Luqi Huang   +4 more
doaj   +1 more source

Isolamento do alcalóide ricinina das folhas de Ricinus communis (Euphorbiaceae) através de cromatografias em contracorrente Isolation of the alkaloid ricinine from the leaves of Ricinus communis (Euphorbiaceae) through counter-current chromatography

Química Nova, 2005
Droplet counter-current chromatography, rotation locular counter-current chromatography and high-speed counter-current chromatography were applied to the preparative separation of the alkaloid ricinine from the dichloromethane extracts of Ricinus ...
Ana Cristina Leite, Elaine Cristina Cabral, Djalma Antônio P. dos Santos, João Batista Fernandes, Paulo Cezar Vieira, M. Fátima das G. F. da Silva   +5 more
doaj   +1 more source

Preparative Separation of Phenolic Compounds from Halimodendron halodendron by High-Speed Counter-Current Chromatography

Molecules, 2010
Three phenolic compounds, p-hydroxybenzoic acid (1), isorhamnetin-3-O-β-D-rutinoside (2), and 3,3'-di-O-methylquercetin (5), along with a phenolic mixture were successfully separated from the ethyl acetate crude extract of Halimodendron halodendron by ...
Zhu Yu, Jianguo Han, Ligang Zhou, Qi Wang, Jianglin Zhao, Haifeng Gao, Jihua Wang, Fuyu Yang   +7 more
doaj   +1 more source

Preparative isolation and purification of astaxanthin from the microalga Chlorococcum sp. by high-speed counter-current chromatography

, 2001
High-speed counter-current chromatography was applied to the isolation and purification of astaxanthin from microalgae. The crude astaxanthin was obtained by extraction with organic solvents after the astaxanthin esters were saponified.
F. Chen, H. B. Li, Feng Chen, Li, HB, Hua-Bin Li, Chen, F   +5 more
core   +2 more sources

A green strategy for obtaining anthraquinones from Rheum tanguticum by subcritical water

Open Chemistry, 2020
Rheum tanguticum is a traditional Chinese herbal medicine, which contains abundant anthraquinones. In this study, anthraquinones were efficiently extracted from Rheum tanguticum by subcritical water extraction (SWE). The parameters of extraction time (33–
Zhang Guoying, Chi Xiaofeng
doaj   +1 more source

Phytochemical analysis of Panax species: a review

Journal of Ginseng Research, 2021
Panax species have gained numerous attentions because of their various biological effects on cardiovascular, kidney, reproductive diseases known for a long time.
Yuangui Yang, Zhengcai Ju, Yingbo Yang, Yanhai Zhang, Li Yang, Zhengtao Wang   +5 more
doaj   +1 more source