ArticleApplied biochemistry and biotechnology2021
Bioutilization of Chicken Feather Waste by Newly Isolated Keratinolytic Bacteria and Conversion into Protein Hydrolysates with Improved Functionalities.
Article in Applied biochemistry and biotechnology, 2021. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 13 papers.
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Who cites it
13 citing papers in PubMed, 48 citations in OpenAlex.
- Production, biochemical characterization, and kinetic/thermodynamic analysis of a novel keratinase from Bacillus sp. MSGU2024.Biotechnology letters · 2026Article
- Sustainable valorization of poultry waste through optimized keratin extraction and its prospective use in dye adsorption.BMC chemistry · 2026Article
- Composting Poultry Feathers with KeratinolyticMaterials (Basel, Switzerland) · 2025Article
- Harnessing Microbial Consortia for Efficient Keratinous Biomass Biotransformation.International journal of molecular sciences · 2025Review
- Circular Animal Protein Hydrolysates: A Comparative Approach of Functional Properties.Antioxidants (Basel, Switzerland) · 2025Article
- Current Understanding of Feather Keratin and Keratinase and Their Applications in Biotechnology.Biochemistry research international · 2025Review
- Effects of Peptidase Treatment on Properties of Yeast Protein as an Alternative Protein Source.Journal of microbiology and biotechnology · 2024Article
- Construction of artificial microbial consortia for efficient degradation of chicken feathers and optimization of degradation conditions.World journal of microbiology & biotechnology · 2024Article
- Alkaline keratinase fromHeliyon · 2024Article
- Characterization of Yeast Protein Hydrolysate for Potential Application as a Feed Additive.Food science of animal resources · 2024Article
- Response surface methodology based optimization of keratinase fromSaudi journal of biological sciences · 2023Article
- Valorization of Chicken Slaughterhouse Byproducts to Obtain Antihypertensive Peptides.Nutrients · 2023Review
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3 authors at 1 institution in 1 country.
Funding
No grant is acknowledged in the PubMed record.
Abstract
Chicken feathers are major poultry waste that is difficult to process in its native form due to highly resistant keratin protein in large amounts. In this study, a novel feather-degrading bacterium, Bacillus amyloliquefaciens KB1, was screened from a chicken farm bed (CFB) using morphological and biochemical tests followed by 16s rDNA analysis. Among observed isolates, bacterial isolate (KB1) showed the highest degree of feather degradation (74.78 ± 2.94%) and total soluble protein (205 ± 0.03 mg/g). The optimum fermentation conditions obtained were at 40 °C (temperature), pH 9, and 1% (w/v) feather concentration using response surface methodology in a Box-Behnken design. It produced 260 mg/g of soluble protein and bioactive peptides with 86.16% feather degradation. The amino acid profile showed an increase in the concentration of essential amino acids compared with the feather meal broth. The selection of a safe screening source for this new bacterium in CFB produced hydrolysates with enhanced bioactivity applicable for feed, and cosmetic applications, along with environmental bioremediation.
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