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. 2004 May 21;1036(2):171-5.
doi: 10.1016/j.chroma.2004.02.073.

Isolation and purification of honokiol and magnolol from cortex Magnoliae officinalis by high-speed counter-current chromatography

Xiao Wang  1 , Yuqiang Wang, Yanling Geng, Fuwei Li, Chengchao Zheng
Affiliations

Isolation and purification of honokiol and magnolol from cortex Magnoliae officinalis by high-speed counter-current chromatography

Xiao Wang et al. J Chromatogr A. .

Abstract

High-speed counter-current chromatography was used to isolate and purify honokiol and magnolol from cortex Magnoliae Officinalis (Magnolia officinalis Rehd. et Wils.), a plant used in the traditional Chinese medicine. A crude sample, 150 mg, was successfully separated with a two-phase solvent system composed of n-hexane-ethyl acetate-methanol-water (1:0.4:1:0.4, v/v), and the fractions were analyzed by high-performance liquid chromatography. The separation produced 80 and 45 mg of honokiol and magnolol with purities of 99.2 and 98.2%, respectively, in 2.5 h.

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