Biochemical composition of some Melissa L. and Alcea L. species introduced in Absheron

The article provides data on the study of the biochemical composition of the species Melissa officinalis, Alcea rugosa, A. kusariensis, A. hyrcana, A. rosea. Research were carried out in natural conditions and in Absheron, in cultural conditions on the experimental site of the Central Botanical Garden of the Azerbaijan National Academy of Sciences. The climate of Apsheron is mainly moderately hot and dry, subtropical and belongs to the semi-desert type. Gray-brown soils are widespread in the Central Botanical Garden. Of the studied species, two species, A. kusariensis and A. hyrcana, are rare species and listed in the “Red Book” of Azerbaijan. A. kusariensis is a rare endemic species of the Caucasus. A. hyrcana is a rare species in Azerbaijan. Determined primary moisture, hygroscopic moisture, the amount of dry matter, raw ash, raw fat and protein in the composition of the species. It was revealed that by the end of the growing season, the composition of the M. officinalis species decreases in crube ash, initial and hydroscopic moisture, while the amount of crude oil and protein increases. Compared to the underground part, the chemical composition of the aboveground part of the Alcea rugosa species is richer. Comparison of samples of this species growing in nature and in culture showed that the mass of raw ash and crude oil was higher in natural conditions, and the mass of protein was higher in cultured samples. Among the studied species, the prevalence of crude oil content was observed in A. hyrcana (4,35 %) and A. rosea (4,25 %) species, in A. kusariensis in terms of crude ash content (21,0 %), and in protein content in A. rugosa (22,5-28,19 %).

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