| 摘要 |
<p>In one aspect, the present invention relates to a system for the modified release of one or more active ingredients, comprising a polymeric matrix based on hyaluronic acid with molecular weight ranging from 100 to 100,000 Daltons and a non-ionic polymer which jellifies in contact with water, in which one or more active ingredients are dispersed, optionally in form of microgranules or microcapsules.</p> |
