FIELD: nanotechnology.
SUBSTANCE: betulin is added to the suspension of agar-agar in petroleum ether in the presence of 0.01 g. of the surfactant E472c, wherein the core to shell weight ratio is 2:1, 1:1 or 1:3 when recalculating to dry matter, then, with stirring at 1300 rpm, ethyl acetate is added, the resulting suspension is filtered and dried at room temperature.
EFFECT: nanocapsules production process simplification and acceleration, reduction of losses during the nanocapsules production.
3 ex
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Authors
Dates
2017-07-28—Published
2015-11-25—Filed