Flavonoid-deposited polymer composite particles and a process for preparation of the same, and cosmetic compositions containing the same

Flavonoid-deposited polymer composite particles and a process for preparation of the same, and cosmetic compositions containing the same

  • CN 1,882,645 B
  • Filed: 06/01/2004
  • Issued: 04/17/2013
  • Est. Priority Date: 11/18/2003
  • Status: Active Grant
First Claim
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1. flavonoid/polymer composite particle, wherein, the porous polymer particles surface deposition has flavonoid, described porous polymer particles has total functional group, described total functional group is hydroxyl, amido or itrile group, take the gross weight of polymkeric substance as benchmark, described flavonoid is the 0.01-90 % by weight at the lip-deep deposition of described porous polymer particles, and described flavonoid is for being selected from by Hesperitin, genistein, apigeninidin, (-) l-Epicatechol, (-) epigallocatechin, (-) L-Epicatechin gallate, in the group that (-) NVP-XAA 723 and trans-resveratrol form one or more.

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