DECREASED ANTIOXIDATIVE ACTIVITY OF MAIZE ZEIN IN RESPONSE TO DEAMIDATION RATE

被引:8
作者
CHIUE, H [1 ]
IWAMI, K [1 ]
KUSANO, T [1 ]
IBUKI, F [1 ]
机构
[1] KYOTO PREFECTURAL UNIV, DEPT AGR CHEM, SAKYO KU, KYOTO 606, JAPAN
关键词
D O I
10.1271/bbb.58.198
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
Ten samples with different deamidation rates were prepared from commercially available maize zein by heat treating with 0.05 N HCl in 70% ethanol, and were examined for their antioxidative activity in simply mixed protein-fatty acid (10:1) model systems at moderate humidity. A regression Line with a correlation coefficient of r = -0.946 was obtained, when the linoleate/palmitate ratio on day 3 was plotted against the percentage of deamidation.
引用
收藏
页码:198 / 199
页数:2
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