Study of the acetaldehyde induced polymerisation of flavan-3-ols by liquid chromatography ion spray mass spectrometry

被引：121

作者：

Fulcrand, H ^{[1
]}

Doco, T ^{[1
]}

EsSafi, NE ^{[1
]}

Cheynier, V ^{[1
]}

Moutounet, M ^{[1
]}

机构：

[1] ECOLE NORMALE SUPER RABAT,LCOEP,RABAT,MOROCCO

来源：

JOURNAL OF CHROMATOGRAPHY A | 1996年 / 752卷 / 1-2期

关键词：

flavan-3-ols; acetaldehyde; catechin; epicatechin;

D O I：

10.1016/S0021-9673(96)00485-2

中图分类号：

Q5 [生物化学];

学科分类号：

071010 ; 081704 ;

摘要：

In some fruits, the loss of astringency has been attributed to the insolubilization of recombinated tannins, formed by reaction with acetaldehyde. This route has been investigated by on-line coupling of liquid chromatography with ion spray mass spectrometry (LC-ISP-MS). The results reported herein indicate that LC-ISP-MS can be successfully applied to tannin polymers and is very helpful in their identification. It also allows direct monitoring of the progress of polymerisation reactions. The mechanism of the acetaldehyde-induced polymerisation of flavan-3-ols has thus been demonstrated.

引用

页码：85 / 91

页数：7

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