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RU97111748A - METHOD FOR ISOLATING DIHYDROQUERCERETINE - Google Patents

METHOD FOR ISOLATING DIHYDROQUERCERETINE

Info

Publication number
RU97111748A
RU97111748A RU97111748/14A RU97111748A RU97111748A RU 97111748 A RU97111748 A RU 97111748A RU 97111748/14 A RU97111748/14 A RU 97111748/14A RU 97111748 A RU97111748 A RU 97111748A RU 97111748 A RU97111748 A RU 97111748A
Authority
RU
Russia
Prior art keywords
acetone
isolating
aqueous solution
dihydroquerceretine
extraction
Prior art date
Application number
RU97111748/14A
Other languages
Russian (ru)
Other versions
RU2114631C1 (en
Inventor
Н.А. Тюкавкина
В.А. Хуторянский
Б.Н. Баженов
М.Ю. Сайботалов
И.А. Руленко
Ю.А. Колесник
Original Assignee
Н.А. Тюкавкина
В.А. Хуторянский
Б.Н. Баженов
М.Ю. Сайботалов
И.А. Руленко
Ю.А. Колесник
Filing date
Publication date
Application filed by Н.А. Тюкавкина, В.А. Хуторянский, Б.Н. Баженов, М.Ю. Сайботалов, И.А. Руленко, Ю.А. Колесник filed Critical Н.А. Тюкавкина
Priority to RU97111748A priority Critical patent/RU2114631C1/en
Priority claimed from RU97111748A external-priority patent/RU2114631C1/en
Application granted granted Critical
Publication of RU2114631C1 publication Critical patent/RU2114631C1/en
Publication of RU97111748A publication Critical patent/RU97111748A/en

Links

Claims (1)

Способ выделения дигидрокверцетина путем экстракции древесины лиственницы при нагревании, охлаждения, фильтрования, очистки отфильтрованного экстракта хроматографией и упаривания элюата, отличающийся тем, что перед экстракцией сырье обрабатывают кипящей водой, экстракцию проводят водным раствором ацетона, водно-ацетоновый экстракт высушивают и очищают его высокоэффективной жидкостной хроматографией на обращенно-фазных сорбентах типа Сферисорб С2 - С18 с размером частиц 5 - 10 мкм с использованием в качестве подвижной фазы 30 - 50% раствора ацетона в 0,1% водном растворе трифторуксусной кислоты.A method for isolating dihydroquercetin by extracting larch wood by heating, cooling, filtering, purifying the filtered extract by chromatography and evaporating the eluate, characterized in that the raw materials are treated with boiling water before extraction, the extraction is carried out with an aqueous solution of acetone, the aqueous-acetone extract is dried and purified by high-performance liquid chromatography on reversed-phase sorbents of the Spherisorb C2 - C18 type with a particle size of 5 - 10 μm using a 30 - 50% solution as the mobile phase and acetone in a 0.1% aqueous solution of trifluoroacetic acid.
RU97111748A 1997-07-22 1997-07-22 Method of isolation of dihydroquercitin RU2114631C1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
RU97111748A RU2114631C1 (en) 1997-07-22 1997-07-22 Method of isolation of dihydroquercitin

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
RU97111748A RU2114631C1 (en) 1997-07-22 1997-07-22 Method of isolation of dihydroquercitin

Publications (2)

Publication Number Publication Date
RU2114631C1 RU2114631C1 (en) 1998-07-10
RU97111748A true RU97111748A (en) 1998-12-27

Family

ID=20195184

Family Applications (1)

Application Number Title Priority Date Filing Date
RU97111748A RU2114631C1 (en) 1997-07-22 1997-07-22 Method of isolation of dihydroquercitin

Country Status (1)

Country Link
RU (1) RU2114631C1 (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
RU2435766C1 (en) 2010-11-11 2011-12-10 Сергей Алексеевич Лашин Method of producing dihydroquercetin
LT6013B (en) 2012-05-18 2014-03-25 Uab "Rokiå Kio Pragiedruliai" Process for preparing dihydroquercetin of a particularly high degree of purity

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