OFF-LINE SUPERCRITICAL FLUID EXTRACTION AND CAPILLARY GAS-CHROMATOGRAPHY OF PYRROLIZIDINE ALKALOIDS IN SENECIO SPECIES

被引：50

作者：

BICCHI, C

RUBIOLO, P

FRATTINI, C

SANDRA, P

DAVID, F

机构：

[1] STATE UNIV GHENT,ORGAN CHEM LAB,B-9000 GHENT,BELGIUM

[2] RES INST CHROMATOG,B-8610 WEVELGEM,BELGIUM

来源：

JOURNAL OF NATURAL PRODUCTS | 1991年 / 54卷 / 04期

关键词：

D O I：

10.1021/np50076a003

中图分类号：

Q94 [植物学];

学科分类号：

071001 ;

摘要：

The pyrrolizidine alkaloid (PA) fraction of two Senecio species (Senecio inaequidens and Senecio cordatus) was extracted by off-line supercritical fluid extraction (sfe) and analyzed by capillary gas chromatography. Sfe was carried out with a home-assembled apparatus, using MeOH/CO2 as extraction medium, at 55-degrees and 15 MPa. Compared to the classical MeOH Soxhlet extraction, this technique requires a smaller sample amount and provides a quicker extraction, a simplified PA fraction clean-up, and a higher recovery.

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页码：941 / 945

页数：5

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