Abstract
The aim of the work was to study the qualitative composition and determine the quantitative content of fatty acids of roots, leaves, herb and flowers of Sakhalin (giant) knotweed (Reynoutria sachalinensis (F. Schmidt) Nakai) by gas chromatography In Reynoutria sachalinensis roots and flowers 12 fatty acids were identified. In the herb 13 fatty acids and in the leaves 14 fatty acids have been identified. At least six fatty acids are classified as unsaturated fatty acids. About 70-80% of the content in Reynoutria sachalinensis roots and leaves dry powder were unsaturated fatty acids. Saturated and unsaturated fatty acids in herb and flowers of the studied plant accumulated almost equally. The dominant fatty acid in Reynoutria sachalinensis roots was linoleic acid (40.90%), in leaves – linolenic (37.20%), in herb – arachidonic (37.05%), in flowers – palmitic (37.20%). In addition, Reynoutria sachalinensis herb had a high content of erucic acid that equaled 8.30%. The obtained results allow to deepen the knowledge about the fatty acid composition of the raw materials of Reynoutria sachalinensis, to establish the relationship between pharmacodiological action and the fatty acid composition of the raw materials, and will be used in the development of drugs based on it.
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