采用β-环糊精-硫酸钠微胶囊双水相体系萃取地椒精油,考察β-环糊精、硫酸钠、萃取温度和萃取时间对精油收率的影响。得出适宜萃取条件为:45%的β-环糊精、20%的硫酸钠,40℃萃取20 min,精油平均收率为96.67%。抑菌实验结果表明:地椒精油具有较好的抗菌效果,其抑菌效果优于0.1%山梨酸钾。

The microcapsule and aqueous two-phase system extraction technique was applied to investigate the effects of β-cyclodextrin,Sodium sulphate,temperature and time on the yield of oil from Thymus quinquecostatus.The optimal extracting conditions were as follows:β-cyclodextrin 45 %,Sodium sulphate 20 %,temperature 40 ℃,time 20 min.The average receiving rate of thyme oil is 96.67 %.Bacteriostasis experiment results show that Thyme oil has a good antibacterial effect,its bacteriostasis effect is better than that of 0.1 % potassium sorbate.