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Planta Med. 2014 Mar;80(4):330-6. doi: 10.1055/s-0033-1360362. Epub 2014 Feb 18.

Comprehensive chemical analysis of the rhizomes of Drynaria fortunei by orthogonal pre-separation and liquid chromatography mass spectrometry.

Author information

1
State Key Laboratory of Natural and Biomimetic Drugs, School of Pharmaceutical Sciences, Peking University, Beijing, China.
2
Shimadzu International Trading (Shanghai) Co. Ltd., Beijing Office, Beijing, China.

Abstract

The chemical composition of Drynaria fortunei, a traditional Chinese herbal medicine, is very complicated. In order to separate these chemicals to obtain their structural information, an orthogonal sample enrichment procedure was established. The ethyl acetate extract of D. fortunei was pre-separated by Sephadex LH-20 × polyamide columns to yield 15 fractions. These fractions were analyzed successively using a reversed-phase Agilent Zorbax SB-C18 column, coupled with diode array detection and electrospray ionization tandem mass spectrometry. The method reduced co-elution and enriched minor compounds on the basis of their chemical features. A total of 369 compounds were detected by LC/MSn, compared to less than 50 compounds without pre-separation. The pretreatment facilitated the analytical separation of flavonoids, proanthocyanidins, triterpenoids, phenolic acids, and lignans in D. fortunei, and allowed a comprehensive chemical profiling of these constituents. This method could be applied to other multicomponent herbal extracts.

PMID:
24549926
DOI:
10.1055/s-0033-1360362
[Indexed for MEDLINE]
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