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北京石油化工学院2026年研究生招生接收调剂公告
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周伟-123

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[求助] 急求

利用邻苯三酚法考察了提取物的清除超氧阴离子能力;采用邻二氮菲-Fe2+法测定提取物的清除羟自由基能力;采用碘量法衡量提取物对猪油的抗氧化能力。结果表明,提取物随浓度的增大,它的抗氧化性增强。

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thorny_rose

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周伟-123: 金币+10, 翻译EPI+1, 有帮助 2012-05-23 11:01:04
爱与雨下: 金币+1 2012-05-23 18:40:40
sltmac: 金币+10 2012-06-11 09:44:18
【译】
Investigate the extracts’ ability of removing superoxide anion by pyrogallol method; using phenanthroline -Fe2+ method to determine the extracts’ ability of removing hydroxyl radical; and iodometry method is used to measure the antioxidant ability of extracts on lard. The experiment result shows that the inoxidizability is enhanced with the increasing of extracts’ concentration.
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2楼2012-05-22 21:13:15
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AnnF

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周伟-123: 金币+3 2012-05-27 09:13:44
sltmac: 金币+7 2012-06-11 09:44:23
Pyrogallol study on extracts of the superoxide anion;
O-phen-Fe2+ determination of hydroxyl radical scavenging capacity of extract;
Iodine method to measure the antioxidant capacity of extract on lard.
Results show that increases the concentration of extracts, it enhanced oxidation resistance.
3楼2012-05-24 08:21:43
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