Were investigated aquatic extracts and essential oils obtained from some plants (Agropyrum repens L, Apium graveolens L., Artemisia absinthium L., Mentha piperita L.) included in the flora of Azerbaijan on the growth of toxigenic fungi. It was determined that both materials obtained from the studied plants affects on the growth of toxigenic fungi. Although the effects of aqueous extract are fungistatic, the effects of essential oils are characterized as fungicidal activity. In the case of adding 0.01% of essential oil obtained from the Mentha piperita L. to the medium, the growth of all toxigenic fungi stops. This allowed us to note that the use of preparation obtained from same plant against of toxigenic fungi in the future is respectively.

In the presented work, the mycobiota of several medicinal plants that make up the flora of Azerbaijan was studied in order to create basic information for the development of principles of mycological safety of their use. The results showed that the mycobiota of the studied plants is rich in species composition, since 186 species are involved in the formation of the mycobiota of medicinal plants included in the flora of Azerbaijan, 94.1% of which are real fungi (Mycota), and 6.9% are mushroom-like organisms (Chromista). Among the detected fungi, a significant proportion of opportunistic (opportunistic), allergenic and toxigenic fungi, which are an indirect or direct source of danger to all living things, including humans. This circumstance justifies the need to prepare documents regulating the mycological safety of plant materials intended for medical purposes, and the first approach when using these plants should take into account the number of mycobiota, the quantitative indicator of which should not exceed 103 CFU/g (dry weight).

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