Optimization of Kabuli chickpea dehulling process

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Research Paper 01/02/2017
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Optimization of Kabuli chickpea dehulling process

Khosro Mohammadi Ghermezgoli, Hamid Reza Ghassemzadeh, Mohammad Moghaddam
J. Bio. Env. Sci.10( 2), 115-125, February 2017.
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Dehulling of chickpea is an important process for preparing value-added products. To improve the dehulling characteristics, a tangential abrasive dehulling device (TADD) was used to investigate the effect of the rotational speed and grit size of abrasive disk, microwave exposure and retention time on the dehulling behavior of chickpea grain. Response surface methodology (RSM) based on a four-factor, five-level and central composite design was employed to study the effect of the independent variables and optimize processing conditions. In order to obtain higher dehulling efficiency accompanying with decreasing dehulling loss optimization process was done. The best condition of dehulling was obtained with rotational speed of 790.44rpm, microwave exposure time of 98s, retention time of 120s and grit size of 50 so that the dehulling efficiency of 86.02% and dehulling loss of 2.6% were recorded.


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