Optimization of Gelatin Extraction from the Skin of Freshwater Carps by Response Surface Methodology

被引:0
|
作者
Ninan, George [1 ]
Joseph, Jose [1 ]
Zynudheen, A. A. [1 ]
Mathew, P. T. [1 ]
Geethalakshmi, V. [1 ]
机构
[1] Cent Inst Fisheries Technol, Kochi 682029, Kerala, India
来源
FISHERY TECHNOLOGY | 2009年 / 46卷 / 02期
关键词
Response Surface Methodology; optimization; Rohu; Common Carp; Grass Carp; skin; gelatin; extraction; gel strength; yield;
D O I
暂无
中图分类号
S9 [水产、渔业];
学科分类号
0908 ;
摘要
Response Surface Methodology (RSM) was used to determine the optimum operating conditions for extracting the gelatin from the skin of three species of freshwater carps viz., Rohu(Lflbeo rohita). Common Carp (Cyprinus carpio) and Grass Carp (Ctenopharyngodon idella). From the screening experiments, four independent variables viz., alkali pretreatment concentration, acid pretreatment concentration, pretreatment time and extraction temperature were identified as the critical variables that had significant effect on the extraction of gelatin from the skin of these species. The responses studied were gel strength and yield. The optimum gelatin extraction conditions from the skin of three species based on the responses were 51.35 minutes (pre-treatment time) and 49.33(0)C (extraction temperature) for Rohu skin; 60 minutes (pre-treatment time) and 57.97(0)C (extraction temperature) for Common Carp skin; 60 minutes (pre-treatment time) and 40(0)C (extraction temperature) for Grass Crap skin. The gelatin from the skin of the freshwater carps showed high yield, medium gel strength and high viscosity.
引用
收藏
页码:123 / 138
页数:16
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