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石榴渣多酚提取及抗氧化活性研究

赵光远 许艳华 陈美丽 纵伟

赵光远, 许艳华, 陈美丽, 纵伟. 石榴渣多酚提取及抗氧化活性研究[J]. 食品工业科技, 2017, (05): 228-231. doi: 10.13386/j.issn1002-0306.2017.05.035
引用本文: 赵光远, 许艳华, 陈美丽, 纵伟. 石榴渣多酚提取及抗氧化活性研究[J]. 食品工业科技, 2017, (05): 228-231. doi: 10.13386/j.issn1002-0306.2017.05.035
ZHAO Guang-yuan, XU Yan-hua, CHEN Mei-li, ZONG Wei. Extraction and antioxidant activity of polyphenols from pomegranate slag[J]. Science and Technology of Food Industry, 2017, (05): 228-231. doi: 10.13386/j.issn1002-0306.2017.05.035
Citation: ZHAO Guang-yuan, XU Yan-hua, CHEN Mei-li, ZONG Wei. Extraction and antioxidant activity of polyphenols from pomegranate slag[J]. Science and Technology of Food Industry, 2017, (05): 228-231. doi: 10.13386/j.issn1002-0306.2017.05.035

石榴渣多酚提取及抗氧化活性研究

doi: 10.13386/j.issn1002-0306.2017.05.035
基金项目: 

河南省食品加工过程安全控制技术创新团队(C20150024); 果蔬加工高新技术(16IRTSHN010); 2015年徐州市高层次创新创业人才引进计划(2015)035号;

详细信息
    作者简介:

    赵光远 (1973-) , 男, 博士, 教授, 主要从事果蔬深加工方向, E-mail:guangyuan-zhao@163.com。;

    纵伟 (1965-) , 男, 博士, 教授, 主要从事果蔬深加工方向, E-mail:zongwei1965@126.com。;

  • 中图分类号: TS209

Extraction and antioxidant activity of polyphenols from pomegranate slag

  • 摘要: 以石榴渣为实验原料,优化石榴渣多酚提取的工艺,并研究它的抗氧化性质。在单因素实验的基础上,利用响应面分析法(Response Surface Methodology,RSM)中的中心组合设计对石榴渣多酚的提取条件进行优化。用传统的溶剂提取法提取石榴渣中的多酚类物质,并利用福林酚法测定其含量。其抗氧化性用DPPH自由基清除能力和还原能力来评价。结果表明,最佳的石榴渣提取工艺条件是:41%的乙醇作溶剂,液料比20 m L/g,在62℃下提取3.5 h时多酚的得率最大为4.88 mg GAE/g,与预测值5.034 mg GAE/g接近。石榴渣多酚有较强的DPPH自由基清除率,且总抗氧化性与提取的石榴渣多酚浓度呈正相关,相关系数为0.9988。 
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  • 收稿日期:  2016-09-13

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