[J].HEILONGJIANG AGRICULTURAL SCIENCES,2019,(04):85-89.[doi:10.11942/j.issn10022767.2019.04.0085]
黑柿子多酚的提取及抗氧化作用的研究
- 文献标志码:
- A
- 摘要:
- 为优化黑柿子多酚的提取工艺,并考察黑柿子多酚的抗氧化性能。以黑柿子为原料,确定黑柿子多酚提取的最佳工艺,并评价提取物体外抗氧化活性。在单因素试验结果的基础上,以黑柿子多酚提取率为指标,通过正交试验研究乙醇浓度、料液比、提取温度和提取时间4个因素对黑柿子多酚提取率的影响。结果表明:在乙醇浓度70%,料液比1∶40,提取温度50 ℃,提取时间50 min的条件下,黑柿子多酚提取率可达23.1 mg·g1。黑柿子多酚提取液对DPPH自由基的半清除质量浓度为10.66 μg·mL1。表明黑柿子多酚具有较强的抗氧化作用。
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备注/Memo
收稿日期:20181119