Biodegradation of Keratin from Chicken Feathers by Fungal Species as a Means of Sustainable Development

Godheja, Jai; Sk, Shekhar

doi:10.4172/2155-6199.1000232

Cited by 11 publications

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“…As a result, in wool or cellulose fibers, the fiber can absorb more moisture. Feather fibers are naturally stable and long-lasting due to their crystal structure [6]. The quill (ranchis), barbs, and barbules are the primary components of a feather.…”

Section: Introductionmentioning

confidence: 99%

Extraction and Characterization of Keratin from Waste Broiler Chicken Feathers

Maurya,

Singh

2023

Environmental Protection Research

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The current study was to extract the keratin protein from waste broiler chicken feathers. Due to their high keratin content, chicken feathers offer a valuable source of protein. The two steps involved are treating sodium sulphide (Na2S) and then extracting the protein from the mixture. After the feathers have been broken down using reducing agents, dilute hydrochloric acid (HCl) is added to the solution to precipitate the protein. The precipitated protein was repeatedly rinsed with distilled water and dissolved in a sodium hydroxide (NaOH) solution to form a solution. The results indicate that a chicken feather has unique features. Keratin obtained from broiler chicken feathers had a yield of 81.1%, which is relatively high in cases of waste raw material conversion into value-added products. The prepared keratin was characterized by Fourier-transform infrared (FTIR) spectroscopy, X-ray diffraction (XRD), and thermogravimetric analysis (TGA) to investigate the chemical composition, thermal properties, crystallinity properties, and also physico-mechanical properties, including density. These findings suggest that chicken feathers can be used to extract protein.

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Section: Introductionmentioning

confidence: 99%

Extraction and Characterization of Keratin from Waste Broiler Chicken Feathers

Maurya,

Singh

2023

Environmental Protection Research

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“…A significant group of microorganisms has the ability to secrete the enzymes necessary for keratin degradation [Vasileva-Tonkova et al 2009, Pillai andArchana, 2008]. Such ability was discovered at bacteria [Ichida et al, 2001, El-Refai et al, 2005Cai et al, 2008], actinomycetes [Gousterova et al, 2005], and fungi [Rodrigues Marcondes et al, 2008;Godheja and Shekhar, 2014]. Keratinolytic microorganisms inhabit mostly feathers, but their occurrence was also found in sewage sludge [Ulfig et al, 1996] and soil [Brandelli et al, 2010].…”

Section: Introductionmentioning

confidence: 99%

Presence of Microorganisms at Various Stages of Poultry Wastes Management. Part I. Keratinolytic Microorganisms

Wrońska¹,

Cybulska²

2016

J. Ecol. Eng.

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Poultry waste management is a difficult and arduous process. This requires a number of steps of processing the organic substances included in the waste mass from poultry industry. These wastes, due to the high content of keratin, are hardly degradable. One of the possibilities of their decomposition is the use of highly-active microorganisms. The aim of the study was to determine the presence of keratinolytic microorganisms at the selected stages of poultry waste management. The research material consisted of slime originating from liquid waste reservoir, biological sludge, and proper compost. Analyses were performed on mineral substrates containing keratin as the only carbon source. Based on the study, the presence of keratinolytic microorganisms was found in all materials. The slime was the most numerously inhabited waste, while proper compost the least. Predominant group of microorganisms, regardless of the tested material type, was composed of bacteria.

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Actinobacteria in Agricultural and Environmental Sustainability

Shivlata

Satyanarayana

2017

Agro-Environmental Sustainability

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Biodegradation of Keratin from Chicken Feathers by Fungal Species as a Means of Sustainable Development

Cited by 11 publications

References 0 publications

Extraction and Characterization of Keratin from Waste Broiler Chicken Feathers

Extraction and Characterization of Keratin from Waste Broiler Chicken Feathers

Presence of Microorganisms at Various Stages of Poultry Wastes Management. Part I. Keratinolytic Microorganisms

Actinobacteria in Agricultural and Environmental Sustainability

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