Biodegradation of keratin waste: theory and practical aspects

T Korniłłowicz-Kowalska, J Bohacz - Waste management, 2011 - Elsevier
Keratin-rich by-products, ie bristles, horns and hooves, chicken feathers and similar, are a
source of nutrients for animals (amino acids) and plants (N, S). Contemporary developments …

Biochemical features of microbial keratinases and their production and applications

A Brandelli, DJ Daroit, A Riffel - Applied microbiology and biotechnology, 2010 - Springer
Keratinases are exciting proteolytic enzymes that display the capability to degrade the
insoluble protein keratin. These enzymes are produced by diverse microorganisms …

Feather degradation by keratinolytic bacteria and biofertilizing potential for sustainable agricultural production

K Tamreihao, S Mukherjee… - Journal of basic …, 2019 - Wiley Online Library
Feathers account for 5–7% of the total weight of chicken have become one of the major
pollutants due to their recalcitrant nature. Feather which is constituted of 90% keratin can be …

Progress in microbial degradation of feather waste

Q Li - Frontiers in Microbiology, 2019 - frontiersin.org
Feathers are a major by-product of the poultry industry. They are mainly composed of
keratins which have wide applications in different fields. Due to the increasing production of …

A review on microbial alkaline protease: an essential tool for various industrial approaches

M Sharma, Y Gat, S Arya, V Kumar… - Industrial …, 2019 - liebertpub.com
Proteolytic enzymes are present in all living organisms and help in cell growth and
differentiation. Proteases are the hydrolytic enzymes that act as biocatalysts for the cleavage …

Microbial keratinases: industrial enzymes with waste management potential

A Verma, H Singh, S Anwar… - Critical reviews in …, 2017 - Taylor & Francis
Proteases are ubiquitous enzymes that occur in various biological systems ranging from
microorganisms to higher organisms. Microbial proteases are largely utilized in various …

Comprehensive insights into microbial keratinases and their implication in various biotechnological and industrial sectors: a review

MA Hassan, D Abol-Fotouh, AM Omer… - International journal of …, 2020 - Elsevier
Enormous masses of keratinous wastes are annually accumulated in the environment as
byproducts of poultry processing and agricultural wastes. Keratin is a recalcitrant fibrous …

Microbial keratinases: an overview of biochemical characterization and its eco-friendly approach for industrial applications

B Srivastava, M Khatri, G Singh, SK Arya - Journal of Cleaner Production, 2020 - Elsevier
The environment is under constant threat due to the huge accumulation of the keratinaceous
wastes produced by poultry processing industries and poultry farms. Millions of tons of …

An investigation on keratin extraction from wool and feather waste by enzymatic hydrolysis

N Eslahi, F Dadashian, NH Nejad - Preparative Biochemistry and …, 2013 - Taylor & Francis
In this study, the possibility of keratin extraction from wool and feather by an enzymatic
treatment along with a reducing agent has been investigated. The effects of different …

Conversion of chicken feather waste to N-doped carbon nanotubes for the catalytic reduction of 4-nitrophenol

L Gao, R Li, X Sui, R Li, C Chen… - Environmental Science & …, 2014 - ACS Publications
Poultry feather is renewable, inexpensive and abundantly available. It holds great business
potentials if poultry feather can be converted into valuable functional materials. Herein, we …