Keratin is an insoluble and protein-rich epidermal material found in eg feather, wool, hair. It
is produced in substantial amounts as co-product from poultry processing plants and pig …

Bacillus licheniformis is a Gram positive spore-forming bacterial species of high
biotechnological interest with numerous present and potential uses, including the production …

Discovery of keratin-degrading enzymes from fungi and bacteria has primarily focused on
finding one protease with efficient keratinase activity. Recently, an investigation was …

Microbial keratinases have become biotechnologically important since they target the
hydrolysis of highly rigid, strongly cross-linked structural polypeptide “keratin” recalcitrant to …

Keratinases are exciting proteolytic enzymes that display the capability to degrade the
insoluble protein keratin. These enzymes are produced by diverse microorganisms …

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 …

The continuous growth of poultry industry results in an increased amount of waste provided
from both production facilities and processing plants. The processing of poultry meat results …

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 …

Enormous masses of keratinous wastes are annually accumulated in the environment as
byproducts of poultry processing and agricultural wastes. Keratin is a recalcitrant fibrous …

Keratin-rich wastes in the form of feathers, hair, nails, and horn are highly available as
byproducts of agroindustrial processing. The increased needs for energy conserving and …