| 不同品种石榴花色苷、总多酚含量及抗氧化活性比较研究 |
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| 引用本文： | 李巨秀,张小宁,李伟伟.不同品种石榴花色苷、总多酚含量及抗氧化活性比较研究[J].食品科学,2011(23). |
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| 作者姓名： | 李巨秀 张小宁 李伟伟 |
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| 作者单位： | 西北农林科技大学食品科学与工程学院; |
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| 摘 要： | 石榴中含有丰富的花色苷和多酚类物质,具有良好的抗氧化活性。以5个石榴品种(大叶天红蛋、大红酸、净皮甜、御石榴和喀什红子酸石榴)为实验材料,分析其总花色苷、总多酚含量,并用DPPH、FRAP、ABTS、螯合亚铁离子法测定抗氧化活性,比较不同石榴品种总花色苷、总多酚含量及抗氧化活性。结果表明:不同石榴品种总花色苷含量范围为3.54～13.89mg/100g,总多酚含量范围为38.89～68.28mg/100g;清除DPPH自由基范围为24.30%～45.73%;FRAP法测得的还原力范围为0.38～0.78;清除ABTS+.能力范围为58.02%～83.40%;螯合亚铁离子能力范围为14.73%～70.60%。相对而言,喀什红子酸石榴抗氧化活性较好,其次为御石榴。
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| 关 键 词： | 石榴品种 花色苷 总多酚 抗氧化活性 |
Comparative Studies of Total Anthocyanins,Total Polyphenols and Antioxidant Activities of Different Pomegranate Varieties |
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| LI Ju-xiu,ZHANG Xiao-ning,LI Wei-wei.Comparative Studies of Total Anthocyanins,Total Polyphenols and Antioxidant Activities of Different Pomegranate Varieties[J].Food Science,2011(23). |
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| Authors: | LI Ju-xiu ZHANG Xiao-ning LI Wei-wei |
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| Affiliation: | LI Ju-xiu,ZHANG Xiao-ning,LI Wei-wei (College of Food Science and Engineering,Northwest A&F University,Yangling 712100,China) |
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| Abstract: | Pomegranate is one of the major sources of polyphenoles and anthocyanins,which reveal high antioxidant activity.The contents of total anthocyanins and total polyphenols in pomegranate from 5 main varieties in China were determined,and their antioxidant activity was assessed by DPPH and ABTS radical scavenging assays,FRAP assay,ferrous ion-chelating assay..The contents of total anthocyanins and total polyphenols were in the range of 3.54-13.89 mg/100 g and 38.89-68.28 mg/100 g fresh pomegranate arils,respect... |
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| Keywords: | pomegranate cultivars anthocyanins total polyphenols antioxidant activity |
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