Response Surface Methodology를 이용한 숭어(Mugil cephalus) 반염건품의 개발
Development of Salted Semi-dried Common Gray Mullet Mugil cephalus using Response Surface Methodology
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초록
This study examined the optimal salting drying method and processing conditions (salt concentration, soaking time, dry temperature, and drying time) for preparing salted semi-dried common gray mullet (SSD-CGM) Mugil cephalus based on the moisture content, salinity, and overall acceptance using response surface methodology (RSM). The moisture content, salinity, and overall acceptance of SSD-CGM prepared with different salting methods revealed that dry salting was the optimal salting method for preparing high-quality SSD-CGM. The optimal drying method for preparing high-quality SSD-CGM based on the drying velocity and sensory color was hot air-blast drying. The results of the RSM program indicated that the optimal independent variables (X1, salt concentration; X2, soaking time; X3, dry temperature; X4, drying time) based on the dependent variables (Y1, moisture content; Y2, salinity; Y3, overall acceptance) for high-quality SSD-CGM were 5.6% for X1, 2.7 h for X2, 47.0°C for X3, and 8.5 h for X4 for uncoded values. The predicted values of Y1, Y2, and Y3 for SSD-CGM prepared under optimal conditions were 54.4%, 4.2%, and 6.3, respectively, while the experimental values were 55.2±1.0%, 4.1±0.3% and 6.7±0.8. The actual and predicted values did not differ.
Abstract
This study examined the optimal salting drying method and processing conditions (salt concentration, soaking time, dry temperature, and drying time) for preparing salted semi-dried common gray mullet (SSD-CGM) Mugil cephalus based on the moisture content, salinity, and overall acceptance using response surface methodology (RSM). The moisture content, salinity, and overall acceptance of SSD-CGM prepared with different salting methods revealed that dry salting was the optimal salting method for preparing high-quality SSD-CGM. The optimal drying method for preparing high-quality SSD-CGM based on the drying velocity and sensory color was hot air-blast drying. The results of the RSM program indicated that the optimal independent variables (X1, salt concentration; X2, soaking time; X3, dry temperature; X4, drying time) based on the dependent variables (Y1, moisture content; Y2, salinity; Y3, overall acceptance) for high-quality SSD-CGM were 5.6% for X1, 2.7 h for X2, 47.0°C for X3, and 8.5 h for X4 for uncoded values. The predicted values of Y1, Y2, and Y3 for SSD-CGM prepared under optimal conditions were 54.4%, 4.2%, and 6.3, respectively, while the experimental values were 55.2±1.0%, 4.1±0.3% and 6.7±0.8. The actual and predicted values did not differ.
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