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Effect of 5-caffeoylquinic acid in the presence of metal chelators onsoybean oil oxidative stability

机译:金属螯合剂存在下5-咖啡酰奎宁酸对大豆油氧化稳定性的影响

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摘要

The antioxidant activity of 5-caffeoylquinic acid on soybean oil in the presence of phytic acid at concentration ranges of 50-400 mg/kg oil or citric acid at 200 mg/kg oil was investigated The oil was stored at 55 degrees C for 6 d and monitored by peroxide and conjugated diene measurements. Both citric and phytic acids do not appear to provide any synergistic effects with 5-caffeoylquinic acid. The results showed that 5-caffeoylquinic acid may act both as primary antioxidant and metal chelator.
机译:研究了在浓度为50-400 mg / kg油的植酸或200 mg / kg油的柠檬酸存在下,5-咖啡酰奎尼酸对大豆油的抗氧化活性。将油在55摄氏度下保存6 d并通过过氧化物和共轭二烯测量进行监测。柠檬酸和植酸似乎都不能与5-咖啡酰奎尼酸产生任何协同作用。结果表明5-咖啡酰奎尼酸既可以作为主要的抗氧化剂,又可以作为金属螯合剂。

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