It is known that keratin is rich in feathers, usually more than
70 wt.%, owing to its unique molecular structure and crystal
arrangement [2], keratin has important applications in biomaterials
[3], biomedical [4], flocculants [5] and adhesive [6]. In addition,
the hydrolysis to produce amino acid is indeed the hydrolysis of
keratin in feather. If the pure keratin is extracted from feather,
the hydrolysis is no doubt easier because there is no protective film
and compact structure and the eco-friendly enzymatic hydrolysis
can be industrial application. Therefore, from both environmental
and economic point of views, it is quite desirable to develop effective
processes to extract keratin from poultry feather.
It is known that keratin is rich in feathers, usually more than70 wt.%, owing to its unique molecular structure and crystalarrangement [2], keratin has important applications in biomaterials[3], biomedical [4], flocculants [5] and adhesive [6]. In addition,the hydrolysis to produce amino acid is indeed the hydrolysis ofkeratin in feather. If the pure keratin is extracted from feather,the hydrolysis is no doubt easier because there is no protective filmand compact structure and the eco-friendly enzymatic hydrolysiscan be industrial application. Therefore, from both environmentaland economic point of views, it is quite desirable to develop effectiveprocesses to extract keratin from poultry feather.
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