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Development of Online-storage Inner-recycling Counter-current Chromatography for the Preparative Separation of Complex Components of Alkylphenols from Sarcotesta of  L

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Journal RSC Adv
Specialty Chemistry
Date 2022 May 13
PMID 35548654
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Abstract

High-speed counter-current chromatography (HSCCC) is becoming an effective and non-absorptive separation method from natural products. Due to the insufficient separation efficiency, it is challenging to separate complex components, especially for compounds with similar values. In this study, a novel and effective online-storage inner-recycling CCC method was used to separate alkylphenols from the sarcotesta of L. A two-phase solvent system of -heptane/ethyl acetate/methanol/acetic acid (5 : 4 : 1 : 1, v/v) was used for HSCCC separation of 500 mg crude extracts. After the inner-recycling of two fractions coupled with pre-HPLC, five main ginkgolic acids (C13:0, C15:1, C17:2, C15:1, C17:1) coupled with bilobol (C15:1) and a mixture were obtained from a non-stop separation using a storage loop and two six-way valves. This novel method was also evaluated and predicted by formula derivation. This method could be an effective, rapid, and simple approach to separate alkylphenols from the sarcotesta of .

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PMID: 35518602 PMC: 9055302. DOI: 10.1039/d0ra04307a.

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