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Publisher: Altai State University
Journal: Khimiia rastitel'nogo syr'ia (Chemistry of plant raw material)
Languages: Russian
Types: Article
Subjects: larch wood, extraction, flavonoids, dihydroquercetin, stereoisomer, enterovirus, terpenoids, arabinogalactan, prebiotics, pectins, древесина лиственницы, экстракция, дигидрокверцетин, стереоизомеры, энтеровирус, арабиногалактан, пребиотик, терпе-ноиды
New approach to the technology of complex larch biomass processing eliminating completely any production waste is described.The obtained products of all properties and field of their application are characterized. The new data on the biological activity of the main products is cited. The possibilities of their practical application in medicine and agriculture are described.The research is aimed at creating of larch biomass processing technology according to the principle of the closed cycle. The technology is continuous and  presupposes as the raw material using in each cycle the residuum of the previous cycle without unloading from the extractor. The process is carried out in the same extractor till full using of the original wood chips.The importance of necessary parameters determining of the technology of producing the optimum amount of dihydroquercetin (DHQ) with a maximum content of optical isomer (trans(+)-2R3R-isomer) possessing the greatest biological activity is considered.DHQ protective activity under conditions of experimental influenza infection caused by various influenza virus types and new research on enteroviruses are described. The biological activity of larch arabinogalactan (AG) polysaccharide and new aspects of its application in medicine and agriculture are considered.Practically important biologically active products from larch bark are fixed, their importance for medicine and the national Russian economy is demonstrated.
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