FIELD: nanotechnology.
SUBSTANCE: method for preparing betulin nanocapsules in a shell of xanthan gum is described. In the process, the betulin powder is added to a suspension of xanthan gum in isopropanol in the presence of 0.01 g E472c as a surfactant with stirring at 1300 rpm. Then butyl chloride is added. The resulting suspension is filtered and dried at the room temperature. The core shell ratio is 1:1 or 1:3.
EFFECT: simplification and acceleration of the nanocapsules production process and increase in yield by weight.
1 dwg, 3 ex
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