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Optimization of Rice Bran Oil Encapsulation Using Jackfruit Seed Starch – Whey Protein Isolate Blend as Wall Material and Its characterization by S Murali; Abhijit Kar; Avinash Singh Patel; Debabandya Mohapatra; P Krishnakumar is a Agricultural and Biological Sciences article available to read on EtoBox.

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## Abstract Response surface methodology (RSM) was used to optimize rice bran oil encapsulation using jackfruit seed starch – whey protein isolate blend as wall material by spray drying technique. Oil concentration (20, 25 and 30 %), wall material (Jackfruit seed starch & whey protein isolate) starch-protein ratio (1:1, 3:1 and 5:1) and spray drying inlet air temperature (140, 150 and 160 °C) were considered as process variables for optimization. A three-factor, three-level Box-Behnken design of RSM was used to conduct the experiments with the aim of maximizing encapsulation efficiency and minimizing peroxide value in the encapsulated powder. A polynomial regression model was fitted using design expert software, and the optimum conditions obtained were 20 % oil concentration, 3:1 starch-protein ratio and 140 °C spray drying inlet air temperature. The encapsulated rice bran oil powers obtained at optimized conditions offered 85.90 % of encapsulation efficiency and 1.18 meq/kg oil of peroxide value. The characterization study revealed that powder particles size (diameter) varied from 3.40 to 300.51 μm and most of the particles were smooth spheres with little appendages.

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Author

S Murali; Abhijit Kar; Avinash Singh Patel; Debabandya Mohapatra; P Krishnakumar

Publisher

Walter de Gruyter GmbH

Published

2017

Language

EN

Field

Agricultural and Biological Sciences (Life Sciences)