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Iranian Journal of Chemistry and Chemical Engineering، جلد ۳۶، شماره ۱، صفحات ۱۷۳-۱۸۳
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عنوان انگلیسی Use of Response Surface Methodology Analysis for Xanthan Biopolymer Production by Xanthomonas campestris: Focus on Agitation Rate, Carbon Source, and Temperature
چکیده انگلیسی مقاله The current study is an attempt to contribute for efficient and cost-effective substrates for xanthan gum production. In this context, the sugar cane molasses wastes can be used as a cheap substrate for xanthan gum production. Xanthan biopolymer production by a novel Xanthomonas campestris strain IBRC-M 10644 was optimized with statistical approaches. Based on the results of Response Surface Methodology (RSM) with Central Composite Design (CCD) technique, a second-order polynomial model was developed and evaluated the effects of variables on the maximum xanthan production. Agitation rate (X1: 200-500 rpm), sugar cane molasses concentration (X2: 30-90 g/L) and operation temperature (X3: 25-35 °C) were the factors investigated. The optimal conditions for maximum yield of xanthan production were derived from agitation rate 500 rpm, carbon source concentration 65 g/L and operation temperature 30°C. Under these conditions, xanthan and biomass production were found to be 16.03 g/L and 1.37 g/L, respectively. Our results signify that the sugar cane molasses can be used as a cheap substrate for xanthan biopolymer production.
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نویسندگان مقاله علی ذاکری |
environmental group, energy department, material, and energy research center, karaj, i.r. iran

محمد پازوکی |
institute of materials and energy

منوچهر وثوقی |
chemical and petroleum engineering department, sharif university of technology, tehran, i.r. iran
سازمان اصلی تایید شده: دانشگاه صنعتی شریف (Sharif university of technology)

نشانی اینترنتی http://www.ijcce.ac.ir/article_25206_d38b9eeafa513916db2d5cbf517a590d.pdf
فایل مقاله اشکال در دسترسی به فایل - ./files/site1/rds_journals/444/article-444-394149.pdf
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