BETULIN-CONTAINING EXTRACTS FROM BIRCH BARK AND COMPOSITION BASED ON THEM Russian patent published in 2023 - IPC A61K36/185 B01D11/02 A61K31/19 A61K31/56 A61K9/107 A61K9/12 A61K9/70 A61F13/00 A61L15/44 A61P17/00 A61P17/02 

Abstract RU 2797184 C2

FIELD: pharmaceutical industry.

SUBSTANCE: invention relates to a sterile oleogel based on a solid extract from birch bark. Sterile oleogel contains from 1 to 20 wt.% particles of a solid extract from birch bark, characterized by an average particle size of less than 50 microns, dispersed in one or more non-polar liquids; where the solid extract of birch bark contains at least 70 wt.% betulin and one or more triterpenes selected from the group consisting of betulinic acid, oleanolic acid, erythrodiol and lupeol; where the oleogel is sterilized using ionizing radiation at doses ranging from 11 to 40 kGy.

EFFECT: above gel is sterile and effective for wound healing.

10 cl, 2 dwg, 3 tbl

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RU 2 797 184 C2

Authors

Uotson, Dzhon Eshli

Eger, Sebastyan

Tsan, Tobias

Dates

2023-05-31Published

2019-01-04Filed