METHOD TO RELEASE DIHYDROQUERCETIN

medicine, food industry. SUBSTANCE: larch wood is processed by water at heating. Solid phase is removed. Pulp is cooled. Then organic solvent and concentration by evaporation are conducted. Moreover, larch wood processing is carried out at a quasi-liquid state. Methyltretbutyl ether is used as a sol...

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Bibliographic Details
Main Authors UMINSKIJ A.A, KOROTEEV M.P, NIFANT'EV EH.E, KAZIEV G.Z
Format Patent
LanguageEnglish
Russian
Published 20.03.2002
Edition7
Subjects
CHEMISTRY
HETEROCYCLIC COMPOUNDS
HUMAN NECESSITIES
HYGIENE
MEDICAL OR VETERINARY SCIENCE
METALLURGY
ORGANIC CHEMISTRY
PREPARATIONS FOR MEDICAL, DENTAL, OR TOILET PURPOSES
SPECIFIC THERAPEUTIC ACTIVITY OF CHEMICAL COMPOUNDS ORMEDICINAL PREPARATIONS
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Summary:medicine, food industry. SUBSTANCE: larch wood is processed by water at heating. Solid phase is removed. Pulp is cooled. Then organic solvent and concentration by evaporation are conducted. Moreover, larch wood processing is carried out at a quasi-liquid state. Methyltretbutyl ether is used as a solvent. Organic phase obtained is concentrated by evaporation. Water could be subjected to deionization. Organic phase before concentration by evaporation is passed through a carbon filter. Concentration by evaporation is conducted under vacuum conditions. EFFECT: higher output and purity degree of dihydroquercetin, simplified technology of larch wood processing to obtain bioflavonoids, shortened terms of processing. 2 tbl, 3 ex, 1 dwg
Bibliography:Application Number: RU20010101592