景天三七总酚酸的提取工艺及抗氧化性研究

doi:10.16039/j.cnki.cn22-1249.2020.03.007

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摘要

超声波辅助提取景天三七中的总酚酸，用分光光度法测定其提取率。探讨提取时间、提取温度、料液比、乙醇浓度对景天三七总酚酸提取工艺的影响，在单因素提取的基础上采用正交的方法优化提取条件。结果表明，影响景天三七总酚酸提取工艺的主要因素为提取温度，其次为提取时间、料液比、乙醇浓度。最佳提取工艺条件为提取温度60℃、提取时间60min、料液比1:8、乙醇浓度70%，测得的景天三七总酚酸提取率为3.62%.景天三七总酚酸的抗氧化能力与Vc相接近，表明景天三七具有良好的抗氧化能力。

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	杨艳俊
	杨秀东
	王亚红

关键词: 景天三七提取总酚酸抗氧化

Abstract:

Ultrasonic-assisted extraction of total phenolic acid from Sedum aizoon L. was carried out. The extraction rate was determined by spectrophotometer. The effects of extraction time, temperature, ratio of material to liquid and concentration of ethanol on the extraction rate were discussed. On the basis of single factor extraction, orthogonal method was used to optimize the experiments. The results showed that the order of affecting the extraction rate of total phenolic acid was extraction temperature, followed by extraction time, ratio of material to liquid, ethanol concentration. The optimum extraction conditions were: extraction temperature 60℃, extraction time 60 min, ratio of material to liquid 1:8, ethanol concentration 70%, and the total phenolic acid of Sedum aizoon L. was 3.62%. The antioxidant capacity of total phenolic acid of Sedum aizoon L. is similar to Vc, which indicates that Sedum aizoon L. has good antioxidant capacity.

Key words: Sedum aizoon L. extraction total phenolic acids antioxidation

出版日期: 2020-03-25 发布日期: 2020-03-25 整期出版日期: 2020-03-25

ZTFLH:

R284.2

引用本文:

杨艳俊, 杨秀东, 王亚红. 景天三七总酚酸的提取工艺及抗氧化性研究 [J]. 吉林化工学院学报, 2020, 37(3): 33-37.
YANG Yanjun, YANG Xiudong, WANG Yahong. Study on the Extraction of Total Phenolics and Antioxidant Activity of Sedum aizoon L. . Journal of Jilin Institute of Chemical Technology, 2020, 37(3): 33-37.

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http://xuebao.jlict.edu.cn/CN/10.16039/j.cnki.cn22-1249.2020.03.007 或 http://xuebao.jlict.edu.cn/CN/Y2020/V37/I3/33

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