| 摘要 |
<P>PROBLEM TO BE SOLVED: To provide a powder including hyaluronic acid and/or salt thereof sufficiently exerting physiological effect while hardly decomposed even under heating or acidic conditions. <P>SOLUTION: The powder includes hyaluronic acid and/or salt thereof having an average molecular weight of ≥200,000 and an average particle diameter of 50-500 μm. <P>COPYRIGHT: (C)2011,JPO&INPIT |
