The genus Dracocephalum L. is an important medicinal plant in the flora of Central Asia, including Uzbekistan. This article provides a detailed analysis of the chemical composition of essential oils, extraction methods, and innovative approaches for the main species of the genus (D. diversifolium Rupr., D. integrifolium Bunge, D. kotschyi Boiss.). Based on literature data and GC-MS analyses, tables show the yield of essential oils, their major compounds, and the efficiency of innovative methods.
Sunnatullayeva et al. (Fri,) studied this question.