METHOD FOR OBTAINING DRY EXTRACT NANOCAPSULES OF BIRCH LEAVES Russian patent published in 2019 - IPC A61K9/51 A61K36/185 A61K47/36 A61J3/07 B82B3/00 

Abstract RU 2680379 C1

FIELD: nanotechnologies.

SUBSTANCE: invention relates to the field of nanotechnology, in particular to a method for producing nanocapsules, and describes a method for producing nanocapsules of a dry extract of birch leaves in a shell of guar gum. Method is characterized by the fact that a dry extract of birch leaves is added to a suspension of guar gum in hexane in the presence of 0.01 g of glycerol ester with one or two edible fatty acid molecules and one or two citric acid molecules as a surfactant with stirring at 800 rpm, then chloroform is poured in, the resulting nanocapsule suspension is filtered and dried at room temperature, the core:shell mass ratio is 1:1, 1:2 or 1:3.

EFFECT: method provides a simplification and acceleration of the process of producing nanocapsules, a reduction in losses in the preparation of nanocapsules and can be used in the pharmaceutical and food industries.

1 cl, 3 ex

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RU 2 680 379 C1

Authors

Krolevets Aleksandr Aleksandrovich

Dates

2019-02-20Published

2018-08-16Filed