| 花生红衣乙醇和水提取物的抗氧化性与抑菌活性比较研究 |
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| 引用本文： | 熊柳,张磊,张吉民,孙庆杰.花生红衣乙醇和水提取物的抗氧化性与抑菌活性比较研究[J].食品科学,2012,33(3):19-22. |
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| 作者姓名： | 熊柳 张磊 张吉民 孙庆杰 |
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| 作者单位： | 青岛农业大学食品科学与工程学院;山东省花生研究所 |
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| 基金项目： | 青岛市公共领域科技支撑计划项目(09-1-1-84-nsh) |
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| 摘 要： | 采用乙醇和水做溶剂提取花生红衣,并对得到的花生红衣提取物进行猪油的抗氧化性考察,对食品中常见污染菌的抗菌活性研究。结果表明:两种花生红衣提取物均可以明显的降低猪油的过氧化值,延缓猪油的氧化,当花生红衣乙醇提取物加入量为0.8‰效果最好;且抗氧化性具有剂量依赖性。两种花生红衣提取物抑菌作用均显著,其抗菌活性随着剂量增加而增强;花生红衣乙醇提取物对细菌和真菌的最低抑制浓度(MIC)分别为0.44‰和0.62‰,花生红衣水提取物对细菌和真菌的最低抑制浓度(MIC)分别为0.38‰和0.56‰。
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| 关 键 词： | 花生红衣 乙醇提取物 水提取物 抗氧化性 抑菌活性 |
Comparative Studies on Antioxidant and Antibacterial Activities of Water and Ethanol Extracts from Peanut Skin |
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| XIONG Liu,ZHANG Lei,ZHANG Ji-min,SUN Qing-jie.Comparative Studies on Antioxidant and Antibacterial Activities of Water and Ethanol Extracts from Peanut Skin[J].Food Science,2012,33(3):19-22. |
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| Authors: | XIONG Liu ZHANG Lei ZHANG Ji-min SUN Qing-jie |
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| Affiliation: | 1,* (1.College of Food Science and Engineering,Qingdao Agricultural University,Qingdao 266109,China; 2.Shandong Peanut Research Institute,Qingdao 266100,China) |
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| Abstract: | The antioxidant effects of water and ethanol extracts from peanut skin on lard and the antibacterial activity against common bacterial pollutants were investigated in the present study.The results showed that both extracts could remarkably inhibit the increase of peroxide value of lard,and delay the oxidation of lard.The ethanol extract revealed the best inhibitory effect at the dosage of 0.8‰ and the antioxidant effect was in a dosage-dependent fashion.Furthermore,the two extracts exhibited obvious dose-dependent antibacterial activity.The minimum inhibitory concentrations(MIC) of the ethanol extract against bacteria and fungi were 0.44‰ and 0.62‰,and of the water extract 0.38‰ and 0.56‰,respectively. |
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| Keywords: | peanut skin ethanol extract water extract antioxidant activity antibacterial activity |
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