alexa Rapid Conversion of Chicken Feather to Feather Meal Using Dimeric Keratinase from <em>Bacillus licheniformis</em> ER-15 | OMICS International | Abstract
ISSN: 2155-9821

Journal of Bioprocessing & Biotechniques
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Research Article

Rapid Conversion of Chicken Feather to Feather Meal Using Dimeric Keratinase from Bacillus licheniformis ER-15

Ekta Tiwary and Rani Gupta*
Department of Microbiology, University of Delhi, South Campus, New Delhi, India-110021
Corresponding Author : Rani Gupta
Department of Microbiology, University of Delhi
South Campus, New Delhi, India-110021
Tel: +91-11-24111933
Fax: +91-11-24115270
E-mail: [email protected]
Received April 17, 2012; Accepted May 16, 2012; Published May 18, 2012
Citation: Tiwary E, Gupta R (2012) Rapid Conversion of Chicken Feather to Feather Meal Using Dimeric Keratinase from Bacillus licheniformis ER-15. J Bioprocess Biotech 2:123. doi: 10.4172/2155-9821.1000123
Copyright: © 2012 Tiwary E, et al. This is an open-access article distributed under the terms of the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original author and source are credited.

Abstract

 Dimeric keratinase from Bacillus licheniformis ER-15 completely degraded 25g boiled native chicken feather to feather meal within 8h at pH 8, 50°C and 150rpm. Feather degradation was a linear function of enzyme concentration and 2.5g chicken feather was degraded in presence of 1200U keratinase. Process for feather meal production comprised soaking of 25g feather in 250ml water followed by boiling for 10min-20min before enzyme addition. Feather meal thus produced was dried at 80°C and ground to obtain feather meal powder. Feather meal contained 14% nitrogen, 44% carbon with all essential amino acids and showed 73% in-vitro digestibility.

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