| 摘要 |
<p><P>PROBLEM TO BE SOLVED: To provide a freshness-retaining sheet which does not attenuate a freshness-retaining effect, even when washed many times. <P>SOLUTION: A sheet 2 is used for holding the freshness of raw meats, raw fishes, vegetables, or the like, characterized in that the sheet 2 is formed of a flexible material such as nonwoven fabric or paper, and nano silver particles are infiltrated and fixed to the fibers of the material. <P>COPYRIGHT: (C)2009,JPO&INPIT</p> |
