scholarly journals Extraction of carrageenan from Eucheuma spinosum using ohmic heating: optimization of extraction conditions using response surface methodology

2021 ◽  
Author(s):  
Andi HASIZAH ◽  
Meta MAHENDRADATTA ◽  
Amran LAGA ◽  
Metusalach METUSALACH ◽  
Salengke SALENGKE
Keyword(s):  
Response Surface Methodology ◽  
Response Surface ◽  
Ohmic Heating ◽  
Heating Optimization

Preparation of Reduced Iron Powders from Mill Scale with Microwave Heating: Optimization Using Response Surface Methodology

2013 ◽  
Vol 44 (6) ◽  
pp. 1478-1485 ◽  
Author(s):  
Qianxu Ye ◽  
Hongbo Zhu ◽  
Jinhui Peng ◽  
C. Srinivasa Kannan ◽  
Jian Chen ◽  
...  
Keyword(s):  
Response Surface Methodology ◽  
Response Surface ◽  
Microwave Heating ◽  
Mill Scale ◽  
Iron Powders ◽  
Heating Optimization

Optimization of Ohmic Heating of Fish Using Response Surface Methodology

2014 ◽  
Vol 10 (3) ◽  
pp. 481-491
Author(s):  
Vishal Kumar ◽  
Dinesh Rajak ◽  
Alok ◽  
Ajay Kumar Jha ◽  
P. D. Sharma
Keyword(s):  
Response Surface Methodology ◽  
Response Surface ◽  
Water Activity ◽  
Applied Voltage ◽  
Processing Time ◽  
Ohmic Heating ◽  
Optimum Conditions ◽  
Overall Acceptability ◽  
Product Thickness ◽  
Organoleptic Score

Abstract Optimization of process variables for ohmic heating (OH) of fish steaks was done by response surface methodology according to Box–Behnken design. The low and high levels of the variables were 3 and 7 min for processing time; 55 and 75 V for applied voltage and 10 and 15 mm for product thickness. Responses studied comprised colour, temperature, hardness, water activity and organoleptic score. It was found that effects of time and applied voltage were significant on all responses. Optimum conditions (desirability = 0.820) obtained by numerical optimization were processing time, 5.75 min; voltage, 75 V and product thickness, 14.4 mm to achieve maximum colour variation, temperature and organoleptic score and lower hardness and water activity. Corresponding to the optimum conditions, the predicted value for temperature was 71.88°C, colour 49.85, hardness 1.125 kg, water activity 0.772 and overall acceptability 7.891.

Preparation of activated carbon from Jatropha hull with microwave heating: Optimization using response surface methodology

2011 ◽  
Vol 92 (3) ◽  
pp. 394-400 ◽  
Author(s):  
Duan Xin-hui ◽  
C. Srinivasakannan ◽  
Peng Jin-hui ◽  
Zhang Li-bo ◽  
Zhang Zheng-yong
Keyword(s):  
Response Surface Methodology ◽  
Activated Carbon ◽  
Response Surface ◽  
Microwave Heating ◽  
Heating Optimization
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