CPC A61K 8/731 (2013.01) [A61K 8/06 (2013.01); A61K 2800/10 (2013.01); A61K 2800/21 (2013.01); B82Y 5/00 (2013.01); B82Y 40/00 (2013.01)] | 10 Claims |
1. Porous-cellulose particles, each porous-cellulose particle comprising crystalline celluloses having a type I crystal form, wherein
the crystalline celluloses includes a glucose molecule as a constitutional unit, and
the porous-cellulose particles have an average particle diameter d1 of 0.5 μm to less than 50 μm, a specific surface area of 25 m2/g to 1000 m2/g, and a sphericity of 0.85 or more.
|