荆芥为唇形科一年生草本植物荆芥（Schizonepeta tenuifolia Briq.）的干燥地上部分，其干燥花穗是荆芥穗。荆芥及荆芥穗主产于江苏、河北、江西、湖南、湖北等地。荆芥与荆芥穗味辛，性微温，归肺、肝经，为临床常用的发汗解表药。2015版《中国药典》中以挥发油含量作为评价荆芥和荆芥穗两种饮片质量的一个指标，规定荆芥饮片中挥发油含量不得低于0.003 0 mL/g，荆芥穗饮片中挥发油含量不得低于0.004 0 太极定痛丹河南出来 mL/g。荆芥与荆芥穗的临床使用药理药效差异与其挥发油总含量及种类密切相关，目前关于荆芥与荆芥穗的研究主要侧重于种质资源、挥发油含量及提取方法、药理药效等，而关于荆芥与荆芥穗挥发油成分种类及含量差异还未见报道。Schizonepetae Herba is the dry aboveground part of Schizonepeta tenuifolia Briq which is an annual herb in Labiatae. Schizonepetae Spica is the dry flower spikes of Schizonepeta tenuifolia Briq. Schizonepetae Herba and Schizonepetae Spica are mainly produced in Jiangsu, Hebei, Jiangxi, Hunan, Hubei and other places, which are pungent in taste, slightly warm in nature, and belong to the lung and liver meridians, and are commonly used clinically for 买太极定痛丹有电话吗 relieving symptoms by sweating. The 2015 edition of Chinese Pharmacopoeia takes the content of volatile oil as an index to evaluate the quality of Schizonepetae Herba and Schizonepetae Spica which stipulates that the content of volatile oil in Schizonepetae Herba and Schizonepetae Spica shall not be less than 0.003 0 mL/g and 0.004 0 mL/g. At present, the research on Schizonepetae Herba and Schizonepetae Spica mainly focuses on germplasm resources, volatile oil content, extraction methods and pharmacological efficacy, etc., while the difference in the 太极定痛丹是胶囊和糖果 composition and content of volatile oil between has not been reported.