Strength and the extension which are close to the natural silk fiber are united, disassembly with in vivo is rapid, in addition, the re-raw silk fiber which is obtained by the spinning solution composition and the production method, and the said production method where of the re-raw silk fiber which uses that controlled release it does the medicine and it is possible also, can obtain the re-raw silk fiber to be able to give the function which prevents the inflammation is disclosed.天然絹繊維に近い強度と伸びを併せ持ち、生体内での分解が速やかであり、また、薬剤を徐放し炎症を防ぐ機能を持たせることもできる、再生絹繊維が得られる紡糸液組成物およびそれを用いた再生絹繊維の製造方法、並びに、該製造方法により得られた再生絹繊維が開示されている。
