The study of secondary metabolites Petasites japonicus (Siebold&Zucc.) Maxim, growing on Sakhalin island

Written by Manyahin А.Y., Zorikova О.G., Nazarov D.C., Zhuravlyova S.V.

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Background. The natural habitat of the Japanese butterbur (Petasítes japónicus) occupies the territory of Korea, North China, and Japan. In Russia it grows in the Kuril Islands and in the Sakhalin Island. Methods. Air-dry powdered herb Petasites japonicus was tested, harvested on the Sakhalin Island during the growing season of 2014. Raw materials were extracted with 70 % ethanol, and highperformance liquid chromatography (HPLC) was carried. Results. Polysaccharides were isolated from grass and roots of Petasites japonicus, the total polyphenol fraction was determined. Conclusions. Raw materials of Japanese butterbur growing on Sakhalin Island contain significant amount of polyphenols and polysaccharides. The main bodies of the accumulation of secondary metabolites are leaves and roots.

Links to authors:

А.Y. Manyahin1, 2, О.G. Zorikova1, 2, D.C. Nazarov2, S.V. Zhuravlyova3
1 Mountain taiga station named V.L. Komarov of Far Eastern Department RAS (26 Solnechnaya Str. Gornotayozhnoe, Ussurisk district, Primorsky territory 692533 Russian Federation),
2 Inteministerial Academic Center “Rastitelnye resursy”: Mountain taiga station named V.L. Komarov of FED RAS – Vladivostok State University of Econimics and Services (41 Gogolya Str. Vladivostok 690014 Russian Federation), 3 Far Eastern Federal University (8 Suhanova Str. Vladivostok 690950 Russian Federation)

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