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2 292 896

(13)

(51)

IPC

A61K36/00(2006-01-01)

A61K31/717(2006-01-01)

A61P39/06(2006-01-01)

(21) (22)

Application

2005107839/15, 2005-03-21

(24)

Start date

2005-03-21

(22)

Actual filing date

2005-03-21

(45)

Published

2007-02-10

(72)

Inventor

Kocheva Ljudmila SergeevnaBorisenkov Mikhail FedorovichKarmanov Anatolij PetrovichZagirova Svetlana Vital'Evna

(73)

Holder

Institut Biologii Komi Nauchnogo Tsentra Ural'Skogo Otdelenija Rossijskoj Akademii Nauk

LIGNIN-BASE AGENT POSSESSING ANTIOXIDANT ACTIVITY Russian patent published in 2007 - IPC A61K36/00 A61K31/717 A61P39/06

Abstract RU 2292896 C2

FIELD: pharmaceutical industry, pharmacy.

SUBSTANCE: invention relates to an agent possessing antioxidant activity. Agent possessing antioxidant activity and containing water-soluble lignin is prepared from the natural vegetable raw. Water-soluble lignin is isolated by treatment of lignin-containing raw with aqueous dioxane in the presence of HCl at the boiling point followed by treatment of dioxane-lignin with alkali solution up to its complete dissolving, infusion of alkaline solution with cation-exchange resin up to a definite pH value. Agent prepared by above described method from lignin-containing vegetable raw possesses the high antioxidant activity.

EFFECT: valuable property of agent, improved preparing method.

2 tbl, 2 dwg, 10 ex

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RU 2 292 896 C2

Authors

Kocheva Ljudmila Sergeevna

Borisenkov Mikhail Fedorovich

Karmanov Anatolij Petrovich

Zagirova Svetlana Vital'Evna

Dates

2007-02-10—Published

2005-03-21—Filed