不同萃取条件对神香草精油品质的影响

Effect of Different Extraction Factors on the Quality of Hyssopus Oil

研究利用亚临界萃取技术萃取神香草精油的工艺,以及液料比、萃取压力、萃取温度、萃取时间等条件对神香草精油得率和品质的影响。结果表明,亚临界萃取神香草精油的最佳工艺参数为液料比1.5∶1,萃取压力0.4 MPa,萃取温度45℃,萃取时间60 min,在此条件下神香草精油的得率和品质最佳。

Using the subcritical extraction technology of essential oil of hyssopus,soluble material ratio,extraction pressure,temperature,time and other conditions affecting yield and quality of Hyssopus officinalis essential oil are studied. The results show that the optimal technological parameters of subcritical extraction Hyssopus officinalis essential oil are as follows：soluble material ratio 1.5∶1,extraction pressure 0.4 MPa, extraction temperature 45 ℃, extraction time 60 min, under these conditions,Hyssopus officinalis essential oil yield and the quality are best.