PRODUCTION OF ACYCLIC ISOPRENOID COMPOUNDS DURING THE PHOTODEGRADATION OF CHLOROPHYLL-A IN SEAWATER

被引：37

作者：

RONTANI, JF ^{[1
]}

BAILLET, G ^{[1
]}

AUBERT, C ^{[1
]}

机构：

[1] FAC PHARM MARSEILLE,INSERM,UNITE 278,F-13005 MARSEILLE,FRANCE

来源：

JOURNAL OF PHOTOCHEMISTRY AND PHOTOBIOLOGY A-CHEMISTRY | 1991年 / 59卷 / 03期

关键词：

D O I：

10.1016/1010-6030(91)87088-D

中图分类号：

O64 [物理化学（理论化学）、化学物理学];

学科分类号：

070304 ; 081704 ;

摘要：

A suspension of chlorophyll-a in synthetic seawater was irradiated with solar light until bleaching. After irradiation, methyl ethyl maleimide and several isoprenoid photoproducts were identified by gas chromatography and gas chromatography/mass spectrometry analyses. In order to explain the formation of these isoprenoid compounds, various mechanisms involving the initial addition of singlet oxygen on the double bond of the chlorophyll-a phytyl chain were proposed. The photosensitized oxidation of phytyl propionate in the presence of haematoporphyrin confirmed these mechanisms.

引用

页码：369 / 377

页数：9

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