山东科学

• 中药与天然活性产物专栏 • 上一篇    下一篇

虎杖减压沸腾提取工艺研究

马然,王晓,段文娟,耿岩玲,刘建华   

  1. 1.山东师范大学生命科学学院,山东 济南 250014; 2.山东省分析测试中心,山东 济南 250014
  • 收稿日期:2014-07-15 出版日期:2014-12-20 发布日期:2014-12-20
  • 作者简介:马然(1987-),女,硕士,研究方向为食品科学。

Vacuum extraction process of Polygonum cuspidatum

MA Ran,WANG Xiao,DUAN Wen-juan,GEN Yan-ling,LIU Jian-hua   

  1. 1. School of Life Sciences, Shandong Normal University, Jinan 250014, China; 2. Shandong Analysis and Test Center, Shandong Academy of Sciences, Jinan 250014, China
  • Received:2014-07-15 Online:2014-12-20 Published:2014-12-20

摘要: 为探索减压沸腾提取在中药虎杖提取中的优势,以白藜芦醇为考察指标确定虎杖减压沸腾提取的最佳工艺条件,比较减压沸腾提取与常压回流提取、超声提取和温浸提取的白藜芦醇得率、浸出物得率、透光率、蛋白质的含量、可溶性糖的含量以及DPPH自由基清除率。最终获得的减压沸腾提取的最佳工艺条件为:乙醇浓度70 %、料液比1:10、真空度0.02 MPa、温度为50 ℃、提取时间1 h。与常压回流提取和超声提取相比,减压提取白藜芦醇得率高,透光率高,浸出物得率低,蛋白质、可溶性糖等杂质的含量低,DPPH自由基清除率高。结果表明,减压沸腾提取优于传统的提取方法,尤其对含热敏性成分中药材的提取有一定的借鉴意义。

关键词: 减压提取, DPPH, 虎杖, 白藜芦醇

Abstract: To explore the preponderance of vacuum extraction in the extraction of Polygonum cuspidatum,we determined the optimal conditions for its vacuum extraction with resveratrol as an investigation subject. We compared its extraction rate, extract yield, light transmittance, protein content, soluble sugar content and DPPH free radical scavenging rate of resveratrol with heat reflux extraction, ultrasonic extraction and warm immersion extraction. We discover its optimal conditions are ethanol concentration of 70%, solid to liquid ratio of 1:10, vacuum degree of 0.02 MPa, temperature of 50 ℃, and extraction time of 1 hour. Vacuum extraction has higher resveratrol yield, transmittance and DPPH radical scavenging rates and lower extract yield, protein, soluble sugar and other impurities contents, as compared with heat reflux and ultrasonic extraction methods. Results show that it is superior to other extraction methods, especially for thermosensitive components included traditional Chinese medicines.

Key words: vacuum extraction, resveratrol, DPPH, Polygonum cuspidatum

中图分类号: 

  • R284.2

开放获取 本文遵循知识共享-署名-非商业性4.0国际许可协议(CC BY-NC 4.0),允许第三方对本刊发表的论文自由共享(即在任何媒介以任何形式复制、发行原文)、演绎(即修改、转换或以原文为基础进行创作),必须给出适当的署名,提供指向本文许可协议的链接,同时表明是否对原文作了修改,不得将本文用于商业目的。CC BY-NC 4.0许可协议详情请访问 https://creativecommons.org/licenses/by-nc/4.0