Year 2018, Volume 24 , Issue 3, Pages 366 - 373 2018-09-05

Rice Bran or Apple Pomace? Comparative Data Analysis of Astaxanthin Bioproduction

Derya DURSUN [1] , Ali Çoşkun DALGIÇ [2]

Modeling and optimization of high value-added astaxanthin pigment bioproduction statistically by Sporidiobolus salmonicolor ATCC 24259 from two substantial wastes, rice bran (RB) and apple pomace (AP) was aimed in this study. The experimental data was obtained at constant inoculum rate (2%) and particle size (0.85 mm) for both wastes by conducting 17 runs, which were generated by Box-Behnken design. 33.41 µg astaxanthin gRB- and 77.31 µg astaxanthin gAP- were produced as the maximum amount at the end of fermentation period, 10 days. Apple pomace was concluded as the optimized waste for the production of astaxanthin based upon the highest yield. Predicted response results of response surface methodology (RSM) and radial basis function-neural network (RBF-NN) were compared in order to evaluate the accuracy of two methodologies on non-linear behavior of the astaxanthin bioproduction. RBF-NN became prominent with its well-suited to apple pomace fermentation system by resulting in quite low 0.8495, root mean square error (RMSE), 0.3349, mean absolute error (MAE), and 0.9985, correlation coefficient (CC) as best measures of a model performance. 

Apple pomace; Rice bran; Astaxanthin; Radial basis function-neural network
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Primary Language en
Subjects Engineering
Journal Section Makaleler

Author: Derya DURSUN (Primary Author)
Institution: Gaziantep University, Department of Food Engineering, 27310, Gaziantep, TURKEY
Country: Turkey

Author: Ali Çoşkun DALGIÇ
Institution: Gaziantep University, Department of Food Engineering, 27310, Gaziantep, TURKEY
Country: Turkey


Application Date : April 11, 2017
Acceptance Date : December 31, 1899
Publication Date : September 5, 2018

EndNote %0 Journal of Agricultural Sciences Rice Bran or Apple Pomace? Comparative Data Analysis of Astaxanthin Bioproduction %A Derya Dursun , Ali Çoşkun Dalgıç %T Rice Bran or Apple Pomace? Comparative Data Analysis of Astaxanthin Bioproduction %D 2018 %J Journal of Agricultural Sciences %P -2148-9297 %V 24 %N 3 %R doi: 10.15832/ankutbd.456661 %U 10.15832/ankutbd.456661