超临界CO2和微波辅助萃取佩兰挥发油工艺的研究

食品科学 ›› 2004, Vol. 25 ›› Issue (4): 124-128.

超临界CO2和微波辅助萃取佩兰挥发油工艺的研究

曾虹燕, 李京龙

湘潭大学生物技术研究所

出版日期:2004-04-15 发布日期:2011-10-24

Technology Study on the Volatile Oils from the Leaves of Artemisiae argyi Extractedby Supercritical CO2 or Microwave

ZENG Hong-Yan, LI Jing-Long

Biotechnology Research Institute, Xiangtan University

Online:2004-04-15 Published:2011-10-24

摘要/Abstract

摘要： 本文通过超临界CO2萃取均匀设计实验和微波诱导萃取佩兰挥发油的正交实验比较,考察影响提取的主要因素,寻求最佳萃取工艺。超临界CO2萃取最佳工艺条件为萃取压力15MPa,萃取温度32℃,CO2流量20kg/h和时间80min,得率2.71%;微波萃取最佳工艺条件为辐射功率720W,辐射时间160s,溶剂量300ml,洗涤剂量30ml,得率3.76%。水蒸馏法提取率为0.76%。结果表明超临界CO2和水蒸馏法萃取佩兰挥发油品质最好;微波萃取收率最高,但品质较差。

关键词: 佩兰, 挥发油, 超临界CO2萃取, 微波萃取

Abstract: In the paper, the volatile oils from the leaves of Eupatorium fortunei were extracted by supercritical CO2 or microwavefor their optimum extraction conditions. The uniform design experiments were used to optimize the SFE CO2 conditions, and theoptimal conditions were determined: pressure 15MPa, temperature 32℃, CO2 flowing rate 20kg/h and time 80min. The optimumconditions of the microwave extraction were obtained by orthogonal experiment: radiation time 160s, microwave power 720W,volume of solvent 300ml and volume of washing solvent 30ml. The volatile oils obtained by supercritical CO2 were microwaveand steam distillation, extraction rate 2.75%, 3.76% and 0.76% respectively. The results showed that the extraction rate ofmicrowave extraction was highest and its process simpler, but its quality was worse than the volatile oils extracted by supercriticalCO2 while steam distillation quality is the best.

Key words: Eupatorium fortunei, supercritical CO2 extraction, volatile oil, microwave extraction, steam distillation

曾虹燕, 李京龙. 超临界CO2和微波辅助萃取佩兰挥发油工艺的研究[J]. 食品科学, 2004, 25(4): 124-128.

ZENG Hong-Yan, LI Jing-Long. Technology Study on the Volatile Oils from the Leaves of Artemisiae argyi Extractedby Supercritical CO2 or Microwave[J]. FOOD SCIENCE, 2004, 25(4): 124-128.

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