alexa A Statistical-Mathematical Model to Optimize Chicken Feather Waste Bioconversion via Bacillus licheniformis SHG10: A Low Cost Effective and Ecologically Safe Approach
ISSN: 2155-9821

Journal of Bioprocessing & Biotechniques
Open Access

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Research Article

A Statistical-Mathematical Model to Optimize Chicken Feather Waste Bioconversion via Bacillus licheniformis SHG10: A Low Cost Effective and Ecologically Safe Approach

Amira M Embaby1*, Heba S Marey2,3 and Ahmed Hussein1
1Institute of Graduate Studies and Research, Department of Biotechnology, University of Alexandria, Egypt
2Institute of Graduate Studies and Research, Department of Environmental Studies, University of Alexandria, Egypt
3University of Alberta, Department of Civil and Environmental Engineering, Edmonton, AB, Canada
Corresponding Author : Amira Mohamed Embaby
Institute of Graduate Studies and Research
Department of Biotechnology, University of Alexandria
163 Horreya Avenue, Chatby 21526, P.O. Box 832, Egypt
Tel: +20-122-034-1162
E-mail: [email protected] or [email protected]
Received June 08, 2015; Accepted June 17, 2015; Published June 22, 2015
Citation: Embaby AM, Marey HS, Hussein A (2015) A Statistical-Mathematical Model to Optimize Chicken Feather Waste Bioconversion via Bacillus licheniformis SHG10: A Low Cost Effective and Ecologically Safe Approach. J Bioprocess Biotech 5: 231. doi: 10.4172/2155-9821.1000231
Copyright: © 2015 Embaby AM, 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

Feather waste is highly accumulated recalcitrant and non-efficiently utilized protein wastage of poultry processing. Present study highlights a cheap eco-friendly approach towards its valorization into efficiently utilized form (feather hydrolysate (SHG10 FH)) through Bacillus licheniformis SHG10 within 48 hrs. A statistical-mathematical model (Plackett-Burman Design (PBD), Central Composite Design (CCD), Canonical Analysis (CA) and Steepest Rising Ridge (SRR)) was anticipated to optimize feather bioconversion. PBD addressed three key determinants out of eight tested factors imposing significant influence (P≤0.006) on soluble proteins productivity. Optimal levels of the key determinants, localized by CCD, CA and SRR, were 1.55% (w/v) feather, 0.45% (w/v) yeast extract and 10.8% (v/v) inoculum size in basal medium II to attain 402 mg/Liter soluble proteins and 104,000 μmole leucine/Liter NH2-free amino groups. SHG10 FH was rich in phenylalanine, tyrosine, methionine and histidine. MALDI-TOF-MS showed proteins spectrum of SHG10 FH ranged from 140 Da m/z. to 733 Da m/z. The composition of SHG10 FH along with the ecologically safe low cost effective approach involved in its preparation might underpin its great potential in several industries (e.g., amino acids, soluble proteins, cosmetics and animal feed livestock).

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