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当前位置: 首页 > 文章 > 超临界CO_2静态膨胀-动态循环萃取灵芝孢子油 农业工程学报 2008,24 (11) 256-259
Position: Home > Articles > Supercritical CO_2 extraction of ganoderma lucidum spore oil using static-swelling and dynamic-cycle process Transactions of the Chinese Society of Agricultural Engineering 2008,24 (11) 256-259

超临界CO_2静态膨胀-动态循环萃取灵芝孢子油

作  者：
罗登林;要萍;刘建学;丘泰球;徐宝成
单  位：
华南理工大学轻工与食品学院;河南科技大学食品与生物工程学院;河北北方学院农林科技学院
关键词：
超临界CO2;萃取;静态膨胀;灵芝孢子油
摘  要：
为了直接从未破壁的灵芝孢子中萃取油脂,在超临界CO2动态循环萃取之前引入静态膨胀工艺,考察了各膨胀因素对灵芝孢子油萃取率的影响。试验结果表明,膨胀压力越高,膨胀时间越短,静态萃取时间越长,越有利于灵芝孢子油的萃取,而膨胀温度过高或过低均不利于灵芝孢子油的萃取。超临界CO2静态膨胀-动态循环萃取灵芝孢子油的优化工艺为:膨胀压力30MPa,膨胀时间30s,膨胀温度70℃,静态萃取时间20min,在此条件下灵芝孢子油的萃取率达94.3%。
译  名：
Supercritical CO_2 extraction of ganoderma lucidum spore oil using static-swelling and dynamic-cycle process
作  者：
Luo Denglin 1 ,Yao Ping 2 ,Liu Jianxue 1 ,Qiu Taiqiu 3 ,Xu Biaocheng 1 (1.College of Food and Bioengineering,Henan University of Science and Technology,Luoyang 471003,China; 2.Agriculture and Forestry Science Technology College,Hebei North University,Zhang Jiakou 075000,China; 3.College of Light Chemistry and Food Science,South China University of Technology,Guangzhou 510640,China)
关键词：
supercritical fluid,extraction,expansion,ganoderma lucidum spore oil
摘  要：
A static-swelling process before a dynamic-cycle process in supercritical CO2 was introduced to extract oil directedly from sporoderm-unbroken ganoderma lucidum spore.The swelling factors affecting yield of ganoderma lucidum spore oil were explored.The experimental results show that the yield of ganoderma lucidum spore oil increases with the expansion pressure and expansion time increment and the expansion time reduction.A higher or lower temperature is not beneficial to the yield.The yield of ganoderma lucidum spore oil is up to 94.3%under the optimum extraction conditions of expansion pressure 30 MPa,expansion time 30 seconds,expansion temperature 70℃and static-extracting time 20 minutes.

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