Yunnan white powder nanoemulsion and preparation method thereof

Yunnan white powder nanoemulsion and preparation method thereof

  • CN 103,948,543 A
  • Filed: 05/11/2014
  • Published: 07/30/2014
  • Est. Priority Date: 05/11/2014
  • Status: Active Application
First Claim
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1. a YUNNAN BAIYAO nano-emulsion, is characterized in that it is that raw material and the method for following weight ratio made nano-emulsion:

  • YUNNAN BAIYAO 1~

    4gOil 2.6~

    55gSurfactant 2.5~

    55gEthanol 5~

    102gWater 2~

    30g;

    Described oil is ethyl acetate above;

    Described surfactant is tween 80 or castor oil polyoxyethylene ether (40) above, and two kinds wherein any;

    Above-mentioned each component is prepared according to the following steps;

    By adding 5~

    100 times of ethanol in YUNNAN BAIYAO, extract and leave standstill 24~

    48 hours, extract supernatant, and supernatant liquid filtering is formed to filtrate 1, filter extracting the medicinal residues and the residual liquid that stay after supernatant, form filtrate 2, filtrate 1, filtrate 2 are merged, form total filtrate, according to formula proportion, by ethyl acetate, tween 80 or castor oil polyoxyethylene ether (40), total filtrate, water mix, stir, form the YUNNAN BAIYAO nano-emulsion of clear yellow.

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