MORPHOLOGICAL AND ANATOMICAL RESEARCH OF COMMON MYRTLE LEAVES (MYRTUS COMMUNIS L.)

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This paper presents the results of morphological-anatomical study of common myrtle leaves diagnostically significant features (Myrtus communis L.) harvested in the Nikitsky Botanical Garden (Republic of Crimea, Russia). Microscopic analysis of common myrtle leaf petioles was carried out and diagnostic features of dominant biologically active сompounds and tissues luminescence of this plant species leaf petioles were revealed. Morphology and anatomy of common myrtle leaves petioles, luminescence of their tissues were analyzed and summarized and additional diagnostic features of this plant object were revealed. Morphological and anatomical study of common myrtle leaves (Myrtus communis L.) was carried out in accordance with the OFS "Leaves" and "Technique of microscopic and microchemical study of medicinal plant raw materials and medicinal plant preparations" GF RF XIV edition using light microscopy in transmitted and polarized light, as well as luminescence microscopy, which has not been previously studied for this plant. The results of the study concluded that when comparing the luminescence of whole essential oils of myrtle, impure eucalyptus and their components provides a luminescence diagnosis due to the difference in luminescence color; 1,8-cineole is not a diagnostic element in morphological and anatomical luminescence for common myrtle due to the lack of obvious luminescence; euvimal-1 can be used as a diagnostic and luminescence as it has specific luminescence in the form of pink color; the peculiarity of pigmentation of the epithelium of the schizogenic receptacle of the leaf of common myrtle was revealed and the characteristic of its luminescence is species specific for myrtle and can be used as a diagnostic feature in contrast to the impurity raw material of eucalyptus. The results obtained during the study can be further used in the development of the section of the draft pharmacopoeial article “Microscopic features” and other regulatory documentation for a new type of medicinal plant raw material - “Myrtle leaves”, as well as in fundamental botany in the study of species of the family Myrtaceae.