Research article summary (published 29 Apr 2009):

Preparative separation and enrichment of four taxoids from Taxus chinensis needles extracts by macroporous resin column chromatography.

Full Abstract

An environment-friendly method was established for the preparative separation and enrichment of four taxoids, namely 10-deacetylbaccatin III (10-DAB III), 7-xylosyl-10-deacetyltaxol (7-xyl-10-DAT), cephalomannine and paclitaxel from Taxus chinensis needles extracts. Characteristics of seven widely used macroporous resins for four taxoids were compared, AB-8 resin offered better adsorption and desorption capacities than others. AB-8 resin column chromatography was used to study the desorption process for four taxoids. The optimum parameters for desorption were 30% ethanol 5 RV for removing impurities, following 15 RV for 10-DAB III, after the desorption of impurities with 35% ethanol 10 RV, 45% ethanol 30 RV for 7-xyl-10-DAT, then 65% ethanol 10 RV for cephalomannine and paclitaxel, the flow rate was 6 RV/h. After separation on AB-8 resin column chromatography, the contents of 10-DAB III, 7-xyl-10-DAT, cephalomannine and paclitaxel in the product reached 4.58, 13.17, 1.36 and 3.08%, respectively, which were 7.63-, 3.68-, 6.18- and 6.55-fold to those in T. chinensis needles extracts. The recovery yields were 94.96, 77.32, 88.09 and 95.25%. In general, the AB-8 resin column chromatography has the advantages of lower cost, high efficiency and simple procedure. Therefore, it may provide scientific references for the preparative separation and enrichment of taxoids from other T. species.

Author information

Author/s: Sun, Rui (R); Fu, Kusng (K); Fu, Yujie (Y); Zu, Yuangang (Y); Wang, Ying (Y); Luo, Meng (M); Li, Shuangming (S); Luo, Hao (H); Li, Zhengnan (Z);

Affiliation: Key Laboratory of Forest Plant Ecology, Ministry of Education, Northeast Forestry University, Harbin, PR China.

Journal and publication information

Publication Type: Journal Article; Research Support, Non-U.S. Gov't

Journal: Journal of separation science (J Sep Sci), published in Germany. (Language: eng)

Reference: 2009-May; vol 32 (issue 9) : pp 1284-93

Dates: Created 2009/05/04; Completed 2009/07/16;

PMID: 19360728, status: MEDLINE (last retrieval date: 7/25/2009, IMS Date: )

Sourced from the National Library of Medicine. Abstract text and other information may be subject to copyright.

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MeSH headings (categories)

This article was linked to the MESH Headings shown below.

Chromatography, Liquid - methods Ethanol - chemistry Molecular Structure Paclitaxel - isolation & purification Plant Extracts - chemistry

Plant Leaves - chemistry Polystyrenes - chemistry Resins, Synthetic - chemistry Taxoids - isolation & purification Taxus - chemistry

Associated Chemicals: 7-xylosyl-10-deacetyltaxol (0) ; Plant Extracts (0) ; Polystyrenes (0) ; Resins, Synthetic (0) ; Taxoids (0) ; Paclitaxel (33069-62-4) ; Ethanol (64-17-5) ; cephalomannine (71610-00-9) ; 10-deacetylbaccatine III (92999-93-4)

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