中草药有效成分(也称活性成分)的类型很多,成分也很复杂。本文仅就挥发油与中草药效用的关系作初步的探讨,为整理和提高祖国医药学提供一些线索,以期和同仁作进一步深入研究。一、挥发油的性状及其在植物药中的分布挥发油(Volatile oil)也称精油(ess-ential oilc)是指植物中可随水蒸汽蒸馏的, There are many types of active ingredients (also known as active ingredients) in Chinese herbs, and the ingredients are also complex. This article only makes a preliminary discussion on the relationship between the volatile oil and the efficacy of Chinese herbal medicine, and provides some clues for collating and improving the medical science of the motherland, in order to make further in-depth research with colleagues. 1. The properties of volatile oils and their distribution in plant medicines. Volatile oil, also called essential oil, refers to plants that can be distilled with steam.