| 摘要 |
<p>An enzymatic unhairing agent for use in an unhairing step in the tanning for producing a leather which comprises alkaline protease as an active ingredient; a treatment solution comprising the enzymatic unhairing agent and a pH adjusting agent; a method for enzymatic unhairing treatment in the tanning for producing a leather which comprises contacting a law hide with the treatment solution; and a leather produced by the method. The method can be employed for providing a leather and recovered hairs both of good quality, while markedly reducing the pollution load of an unhairing waste water from the unhairing step.</p> |
