Bioecological peculiarities and total essencial oils of some aromatic plants introduced to Batumi Botanical garden.
2019
The study of ecophysiological and biochemistry peculiarities and features of introduced plants of various geographical origins is still continuing at the Botanical Garden, as well as one of the theoretical basics of plant introduction in order to reveal new plant resources and implement them in different types of farming economy. Based on the conducted introductive research, while studying morphological peculiarities of individual species, during vegetation period the peculiarities of seasonal growth and development, reproduction issues, terms of separate phenol-phases, period of dormancy, winter resistance and sustainability towards pests were studied. The aromatic, ornamental, medicinal nutrients and other economic-biological characteristics were evaluated. For determining the content of essential oils, an experimental research in the Regional Chromatography Centre of western Georgia was conducted. For extracting essential oils, the methods of hydro-distillation, high-pressure super-fluid extraction (with inert gases) and titration were applied. The content of essential oils in the studied plants was as follows: Leptospermum scoparium var. Chapmanii leaves - 0,1533±0,005%, Leptospermum scoparium leaves - 0,065±0.008%, Leptospermum scoparium v. niichollsii leaves - 0,065±0,007%, Lindera communis fruit - 0,5474±0,06%, and Doriphora sassafras leaves - 0,124%±0,02%. Major components of the oil are Terpenene, Cis-b-Ocimene, Pentadekanone. Ref. 4.
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