Recent developments in extraction of keratin from industrial wastes

Hussain, Fayyaz Salih; Memon, Najma

doi:10.1016/b978-0-12-823349-8.00010-1

Cited by 3 publications

(1 citation statement)

References 94 publications

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“…Keratin-derived materials have shown excellent attributes, such as biocompatibility, biodegradability, and mechanical durability [13,14]. The cost of keratin extraction can vary widely depending on several factors, including the source of keratin, the extraction method used, the scale of production, and the quality of the final product; nevertheless, it is usually a tedious and expensive process [15,16]. In addition, the recovery of biopolymers from agro-industrial residues has recently emerged as an innovative method of finding additional renewable sources.…”

Section: Introductionmentioning

confidence: 99%

Agro-Industrial Protein Waste and Co-Products Valorization for the Development of Bioplastics: Thermoprocessing and Characterization of Feather Keratin/Gliadin Blends

López-de-Dicastillo,

Gómez-Estaca,

López-Carballo

et al. 2023

Molecules

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Biopolymers based on plant and animal proteins are interesting alternatives in the development of films with future prospects as food packaging. Considering that in recent years there has been an increasing interest in the valorization of agro-industrial residues and by-products and that the blending of polymers can lead to materials with improved properties, in this work, keratin-rich feather fibers and gliadins were blended at different ratios in order to develop sustainable and biodegradable films. Control gliadin G100, feather F100 films, and their blends at 3:1 (G75F25), 2:2 (G50F50), and 1:3 (G25F75) ratios were successfully developed through thermoprocessing. The physical properties were differentiated as a function of the concentration of both polymeric matrices. Although gliadins showed higher hydrophilicity as confirmed by their highest swelling degree, films with high gliadin ratios exhibited lower water vapor permeability values at low and medium relative humidities. On the other hand, the feather fiber-based films displayed the highest Young’s modulus values and provided an oxygen barrier to the blends, principally at the highest relative humidity. In conclusion, the blend of these protein-based polymers at different ratio resulted in interesting composites whose physical properties could be adjusted.

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Section: Introductionmentioning

confidence: 99%

Agro-Industrial Protein Waste and Co-Products Valorization for the Development of Bioplastics: Thermoprocessing and Characterization of Feather Keratin/Gliadin Blends

López-de-Dicastillo,

Gómez-Estaca,

López-Carballo

et al. 2023

Molecules

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Keratinous and corneous-based products towards circular bioeconomy: A research review

Barone,

Tagliaro,

Oliver-Simancas

et al. 2024

Environmental Science and Ecotechnology

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Valorization of Sulphur-Rich Proteins from Agro- Industrial Waste and Co-Products for the Development of Bioplastics: Thermoprocessing and Characterization of Feather Keratin/Gliadin Blends

López-de-Dicastillo,

Gómez-Estaca,

López-Carballo

et al. 2023

Preprint

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Biopolymers based on plant and animal proteins are interesting alternatives in the development of films with future prospects as food packaging. Considering that in recent years there has been an increasing interest in the valorization of agro-industrial residues and by-products and that the blending of polymers can lead to materials with improved properties, in this work, keratin-rich feather fibers and gliadins were blended at different ratios in order to develop sustainable and biodegradable films. Control gliadin G100, feather F100 films and their blends at 3:1 (G75F25) , 2:2 (G50F50) and 1:3 (G25F75) ratios were successfully developed through thermoprocessing. The physical properties were differentiated as a function of the concentration of both polymeric matrices. Although gliadins showed higher hydrophilicity confirmed by its highest swelling degree, films with high gliadin ratios exhibited lower water permeability values at low and medium relative humidities. On the other hand, the feathers displayed the highest Young´s modulus values and provided oxygen barrier to the blends, principally at the highest relative humidity. In conclusion, the blend of these protein-based polymers at different ratio resulted on interesting composites whose physical properties could be adjusted.

show abstract

Recent developments in extraction of keratin from industrial wastes

Cited by 3 publications

References 94 publications

Agro-Industrial Protein Waste and Co-Products Valorization for the Development of Bioplastics: Thermoprocessing and Characterization of Feather Keratin/Gliadin Blends

Agro-Industrial Protein Waste and Co-Products Valorization for the Development of Bioplastics: Thermoprocessing and Characterization of Feather Keratin/Gliadin Blends

Keratinous and corneous-based products towards circular bioeconomy: A research review

Valorization of Sulphur-Rich Proteins from Agro- Industrial Waste and Co-Products for the Development of Bioplastics: Thermoprocessing and Characterization of Feather Keratin/Gliadin Blends

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