4.3 Review

Extraction and application of keratin from natural resources: a review

期刊

3 BIOTECH
卷 11, 期 5, 页码 -

出版社

SPRINGER HEIDELBERG
DOI: 10.1007/s13205-021-02734-7

关键词

Keratin; Sheep wool; Feathers; Proteins; Amino acids

资金

  1. Universiti Malaysia Pahang (UMP) [RDU1903137]
  2. Ministry of Education Malaysia (MOE) under the Fundamental Research Grant Scheme [FRGS/1/2019/STG05/UMP/02/9]
  3. IPS

向作者/读者索取更多资源

Keratin has gained popularity for its exceptional biocompatibility and biodegradability, showing promising results in various industries. It can be developed into different forms like gels, films, and nanoparticles, finding applications in biotechnological and industrial sectors. This review covers its structure, classification, properties, extraction methods, and utilization in different fields.
Over recent years, keratin has gained great popularity due to its exceptional biocompatible and biodegradable nature. It has shown promising results in various industries like poultry, textile, agriculture, cosmetics, and pharmaceutical. Keratin is a multipurpose biopolymer that has been used in the production of fibrous composites, and with necessary modifications, it can be developed into gels, films, nanoparticles, and microparticles. Its stability against enzymatic degradation and unique biocompatibility has found their way into biomedical applications and regenerative medicine. This review discusses the structure of keratin, its classification and its properties. It also covers various methods by which keratin is extracted like chemical hydrolysis, enzymatic and microbial treatment, dissolution in ionic liquids, microwave irradiation, steam explosion technique, and thermal hydrolysis or superheated process. Special emphasis is placed on its utilisation in the form of hydrogels, films, fibres, sponges, and scaffolds in various biotechnological and industrial sectors. The present review can be noteworthy for the researchers working on natural protein and related usage.

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