食品科学 ›› 2011, Vol. 32 ›› Issue (12): 287-291.doi: 10.7506/spkx1002-6630-201112063

• 分析检测 • 上一篇    下一篇

柚皮苷的溶剂热法提取及其抗氧化性、稳定性测定

唐琴,陈先勇,宋航   

  1. 1. 湖北民族学院化学与环境工程学院
    2.四川大学化工学院
  • 出版日期:2011-06-25 发布日期:2011-06-10
  • 基金资助:
    湖北省教育厅基金项目(B20082903);四川省应用基础研究基金项目(04GY029-083-3)

Hot Solvent Extraction and Antioxidant Properties and Stability of Naringin from White Pomelo Peel

TANG Qin1,CHEN Xian-yong1,SONG Hang2   

  1. 1. College of Chemical and Environmental Engineering, Hubei University for Nationalities, Enshi 445000, China; 2. College of Chemical Engineering, Sichuan University, Chengdu 610065, China
  • Online:2011-06-25 Published:2011-06-10

摘要: 对柚皮中柚皮苷进行提取,并测定其抗氧化和稳定性。以乙醇-水混合体系为溶剂,对恩施特产贡水白柚皮中柚皮苷进行溶剂热法提取,提取的柚皮苷用紫外吸收光谱定量测定。考察乙醇体积分数、柚皮粉粒度、填充度、提取温度及提取时间对柚皮苷提取率的影响。方法的回收率为96.51%~101.9%,相对标准偏差小于0.16%。同时,采用流动注射化学发光分析测定了柚皮苷的抗氧化性能,并通过测定不同放置时间条件下样品溶液的紫外吸收光谱强度对柚皮苷的稳定性进行测定。结果表明,该溶剂热法提取柚皮苷效率较高,提取最佳工艺条件为乙醇体积分数70%、柚皮粉粒度120目、填充度80%、提取温度60℃和提取时间3h。提取出的柚皮苷具有较强的抗氧化性能和一定的稳定性。

关键词: 柚皮, 柚皮苷, 溶剂热法, 流动注射化学发光分析, 抗氧化性

Abstract: Solvent-thermal method was applied for extracting naringin from shaddock peel of Enshi Gongshui (Citrus grandis Osbeck) using ethanol-water mixture as extraction solvent, and the naringin was determined by ultraviolet spectrophotometry. The recovery rate of naringin was from 96.51% to 101.9% with the relative standard deviation of less than 0.16%. The effects of extraction temperature, extraction time, ethanol concentration, shaddock peel powder size and filling factor on extraction rate of naringin were explored. The antioxidant activity and stability of naringin were investigated by flow-injection chemiluminescence and spectrophotometry. The results showed that the optimal process conditions were ethanol concentration of 70%, shaddock peel powder size of 120 mesh, filling factor of 80%, extraction temperature of 60 ℃ and extraction time of 3 h. The strong antioxidant activity and stability of naringin were simultaneously observed.

Key words: shaddock peel, naringin, solvent-thermal method, flow-injection chemiluminescence, antioxidant effect

中图分类号: