MICRO METHOD FOR THE IDENTIFICATION OF PROANTHOCYANIDIN USING THIOLYSIS MONITORED BY HIGH-PERFORMANCE LIQUID-CHROMATOGRAPHY

被引:167
作者
RIGAUD, J
PEREZILZARBE, J
RICARDO-DA-SILVA, JM
CHEYNIER, V
机构
[1] Institut National de la Recherche Agronomique, Institut des Produits de la Vigne, Laboratoire des Polymères et des Techniques Physico-chimiques, 34060 Montpellier Cedex
来源
JOURNAL OF CHROMATOGRAPHY | 1991年 / 540卷 / 1-2期
关键词
D O I
10.1016/S0021-9673(01)88830-0
中图分类号
O65 [分析化学];
学科分类号
070302 ; 081704 ;
摘要
The classical method of procyanidin thiolysis was modified so as to render it suitable for the identification of small amounts (< 0.1 mg) of compound. High-performance liquid chromatographic monitoring of the degradation kinetics gives access to the intermediate products. The use of sulphur dioxide instead of acetic acid as the hydrolysing agent allows a faster reaction, thus minimizing structural modifications, and prevents alterations due to procyanidin oxidation.
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页码:401 / 405
页数:5
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