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2 041 232

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C1

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IPC

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Application

5056965/04, 1992-07-28

(22)

Actual filing date

1992-07-28

(45)

Published

1995-08-09

(72)

Inventor

Konovalov A.I.Ofitserov E.N.Karaseva A.N.Khaziev R.Sh.Karlin V.V.

(73)

Holder

Institut Organicheskoj I Fizicheskoj Khimii Im.A.E.Arbuzova

PROCESS FOR PREPARING RUTIN Russian patent published in 1995 - IPC

Abstract RU 2041232 C1

FIELD: chemistry of glucosides. SUBSTANCE: the product: rutin (6-beta-L- ramnoside-D-glucoside-quercetin). Reaction conditions: dry above-ground amaranthus parts are extracted with 70- 95% lower alcohol on heating followed by treatment of the extract with ethyl acetate and recrystallization of the residue from water to obtain a high extraction degree (up to 85% ) and industrial applicability. EFFECT: more efficient process.

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RU 2 041 232 C1

Authors

Konovalov A.I.

Ofitserov E.N.

Karaseva A.N.

Khaziev R.Sh.

Karlin V.V.

Dates

1995-08-09—Published

1992-07-28—Filed

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