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Muthusamy Govarthanan,카말라칸,Thangasamy Selvankumar,Kandasamy Selvam,Chinnappan Sudhakar,Vincent Aroulmoji 한국공업화학회 2015 Journal of Industrial and Engineering Chemistry Vol.27 No.-
A native feather-degrading keratinolytic bacterium, Bacillus sp. MG-MASC-BT was isolated from featherdumping soil in Mallasamudram, Tamil Nadu, India and screened for keratinase production using alkalitreated horn waste (HW) and feather waste (FW). The study factors influencing keratinase productionwas optimized by Box–Behnken design (BBD). The maximum enzyme production (1075 U/ml) wasobserved at pH 7.0, temperature 55 8C and growth period of 60 h. The media supplemented with 6% ofHW and FW enhanced keratinase production. Statistics based contour plots were generated to evaluatethe changes in the response surface and to understand the relationship between the enzyme yield andthe culture conditions.