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IJBT Vol.02(4) [October 2003] >


Title: Optimization of Medium and Cultural Conditions for Neomycin Production using Response Surface Methodology
Authors: Adinarayana, K
Ellaiah, P
Srinivasulu, B
Lakshmi Narayana, J
Raju, K V V S N Bapi
Keywords: Optimization
Central composite design
Response surface methodology
Neomycin production
Issue Date: Oct-2003
Publisher: NISCAIR-CSIR, India
Abstract: Optimization of medium ingredients and cultural conditions for maximum neomycin production was carried out using a new species, Streptomyces marinensis. The C source (maltose), the N source (sodium glutamate) and the cultural conditions such as pH, temperature and agitation (rpm) were selected for optimization. Full factorial composite experimental design and response surface methodologies were used in the design of experiments and in the analysis of results. The optimum values for the tested variables for maximum neomycin production were: maltose, 51.67 g l-1, sodium glutamate, 12.36 g l-1, pH, 7.48, temperature, 30.6°C and agitation of the shake flask 174 rpm. The maximum neomycin production was 7815 mg l-1. This method was efficient; only 36 experiments were necessary to assess these conditions, and model adequacy was very satisfactory, as the coefficient of determination was 0.9448.
Page(s): 564-570
CC License:  CC Attribution-Noncommercial-No Derivative Works 2.5 India
ISSN: 0975-0967 (Online); 0972-5849 (Print)
Source:IJBT Vol.02(4) [October 2003]

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