Preparative Separation of Alkaloids from Picrasma quassioides (D. Don) Benn. by Conventional and pH-Zone-Refining Countercurrent Chromatography

Two high-speed countercurrent chromatography (HSCCC) modes were compared by separation of major alkaloids from crude extract of Picrasma quassioides. The conventional HSCCC separation was performed with a two-phase solvent system composed of petroleum ether–ethyl acetate–methanol–water (5:5:4.5:5.5,...

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Hlavní autoři: Qinghai Zhang, Xikai Shu, Feng Jing, Xiao Wang, Changhu Lin, Aiqin Luo
Médium: Artigo
Jazyk:Inglês
Vydáno: MDPI AG 2014-06-01
Edice:Molecules
Témata:
alkaloids
Picrasma quassioides
pH-zone-refining countercurrent chromatography
separation
On-line přístup:http://www.mdpi.com/1420-3049/19/7/8752
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