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当前位置: 首页 > 文章 > 4种含笑叶片提取物对大豆油的抗过氧化活性 林业科学 2007,43 (11) 160-165
Position: Home > Articles > Activities for Anti-Overoxidation of Extracts from Leaves of Four Michelia Species on Soybean Oil Scientia Silvae Sinicae 2007,43 (11) 160-165

4种含笑叶片提取物对大豆油的抗过氧化活性

作  者：
何开跃;樊亚苏;李晓储;杨静
单  位：
江苏省林业科学院;南京林业大学森林资源与环境学院
关键词：
含笑属;提取物;大豆油;抗过氧化活性
摘  要：
The four-year-old Michelia chapensis, M. platypetala, M. foveolata, and M. maudiae leaves were selected as experimental materials, and their ethanol extracts (light yellow liquid) were obtained by method of organic solvent extraction. The antioxidant components of extracts were initially identified by physical and chemical detection and UV scan. Moreover, the activities of anti-overoxidation for four samples on soybean oil were determined, and PA(phytic acid)and PG(propyl gallate)were contrasted. Besides, the regression models of first-order kinetics for soybean oil samples containing additives were fitted. Results showed that the extraction rate of M. chapensis was the highest (13.24%).The anti-overoxidation components of four samples were flavonoids. According to results of Pf (Oxidation Protection Factor) and determining values of MDA, we found that the capacity of anti-overoxidation for the extract from M. platypetala was the strongest(Pf value 1.25, MDA 0.456). The regression relationships for equations of first-order kinetics were significant. They were suitable to fit exponential function curves. The experiment provides scientific basis for the research and exploration of four Michelia species.
译  名：
Activities for Anti-Overoxidation of Extracts from Leaves of Four Michelia Species on Soybean Oil
作  者：
He Kaiyue1 Fan Yasu1 Li Xiaochu2 Yang Jing1(1.College of Forest Resources and Environment, Nanjing Forestry University Nanjing 210037; 2. Jiangsu Academy of Forestry Nanjing 211153)
关键词：
Michelia; extracts; soybean oil; anti-overoxidation activity
摘  要：
The four-year-old Michelia chapensis, M. platypetala, M. foveolata, and M. maudiae leaves were selected as experimental materials, and their ethanol extracts (light yellow liquid) were obtained by method of organic solvent extraction. The antioxidant components of extracts were initially identified by physical and chemical detection and UV scan. Moreover, the activities of anti-overoxidation for four samples on soybean oil were determined, and PA(phytic acid)and PG(propyl gallate)were contrasted. Besides, the regression models of first-order kinetics for soybean oil samples containing additives were fitted. Results showed that the extraction rate of M. chapensis was the highest (13.24%).The anti-overoxidation components of four samples were flavonoids. According to results of Pf (Oxidation Protection Factor) and determining values of MDA, we found that the capacity of anti-overoxidation for the extract from M. platypetala was the strongest(Pf value 1.25, MDA 0.456). The regression relationships for equations of first-order kinetics were significant. They were suitable to fit exponential function curves. The experiment provides scientific basis for the research and exploration of four Michelia species.

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