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CO-OXIDATION OF CAROTENES REQUIRES ONE SOYBEAN LIPOXYGENASE ISOENZYME

被引：30
作者：
GROSCH, W
LASKAWY, G
机构：
来源：
BIOCHIMICA ET BIOPHYSICA ACTA | 1979年 / 575卷 / 03期
关键词：
(Soybean); Carotene oxidation; Lipoxygenase isoemyme;
D O I：
10.1016/0005-2760(79)90113-9
中图分类号：
Q5 [生物化学]; Q7 [分子生物学];
学科分类号：
071010 ; 081704 ;
摘要：
The type II lipoxy genase (optimum pH 6.5) from soybeans was purified and separated into two fractions either by chromatography on DEAE-Sephadex or by isoelectric focusing. In the presence of linoleic acid and oxygen both fractions co-oxidise canthaxanthine or β-carotene as effectively as a combination of these fractions. Oxygenation of linoleic acid and co-oxidation of canthaxanthine by type II lipoxygenase is stimulated by 13-hydroperoxy-cis-9,trans-11-octadecadienoic acid but not by 13-hydroxy-cis-9,trans-11-octadecadienoic acid or 9-hydroperoxy-trans-10,cis-12-octadecadienoic acid. © 1979.
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页码：439 / 445
页数：7
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