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大连葡萄汁抗氧化活性测定及误差分析
Antioxidative activity detection and error analysis for Dalian grape juice
【摘要】 报道了利用邻苯三酚自氧化法对大连本地葡萄汁抗自由基活性的测定。通过实验研究选定检测紫外吸收波长。测试不同进样量下葡萄汁抗自由基氧化活性,结果的误差分析表明,适当的进样量可以保证测试灵敏度,降低测试偏差。活性测试结果表明,大连地区的葡萄汁具有良好的抗自由基氧化活性,适宜于功能性食品的开发。
【Abstract】 This paper reports the antioxidative activity detection for the grape juice produced in Dalian, by using the pyrogallol autoxidation method. The suitable ultraviolet absorption band is selected via experiment. Samples with different enter-quantity are detected and errors are analyzed to ensure sensitivity and reduce errors. Experimental results reveal that the Dalian grapes juice exhibits good autoxidative quality, suitable for health care food production.
【关键词】 葡萄汁;
抗自由基氧化活性;
邻苯三酚自氧化法;
误差分析;
【Key words】 grape juice; antioxidative activity; pyrogallol autoxidation; error analysis;
【Key words】 grape juice; antioxidative activity; pyrogallol autoxidation; error analysis;
【基金】 辽宁省教育厅高等学校科学技术研究项目(20040100).
- 【文献出处】 大连轻工业学院学报 ,Journal of Dalian Institute of Light Industry , 编辑部邮箱 ,2005年02期
- 【分类号】TS255.44
- 【被引频次】4
- 【下载频次】292