Keratin is chiefly found in epithelial cells in higher vertebrates (Korniłłowicz-Kowalska and Bohacz 2011). Keratins have high strength, stiffness, and insolubility in polar as well as nonpolar solvents. The stabilization is the result of intramolecular and intermolecular disulfide crosslinks, hydrogen bonding, and its crystallinity. These properties will differentiate it from other fibrous proteins like myofibrillar and collagen protein