The volatile oil was extracted from the Zanthoxylum bungeanum Maxim from Dabieshan area by simultaneity distillation extraction method (SDE) and direct distillation extraction method(DDE).

• 采用同时蒸馏萃取法和普通水蒸汽蒸馏萃取法,对产自太行山地区的花椒中的挥发油进行提取,测得花椒挥发油含量分别为12。