Method: A static headspace GC-MS method was used to detect sulfur in the fumatory Radix Bupleuri, the authentic samples free of sulfur was detected as reference.

• 方法:运用静态顶空毛细管气相色谱-质谱联用技术进行检测市售柴胡是否经硫黄熏蒸,并从产地采集未经硫黄熏蒸的柴胡作为阴性对照药材与市售柴胡进行比较。