Performance evaluation of animal drawn bay leaf grinder
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Date
2017-08
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G.B. Pant University of Agriculture and Technology, Pantnagar - 263145 (Uttarakhand)
Abstract
Bay leaves are an important spices which is mainly used for flavoring food of Indian cookery and widely used in pharmaceutical preparation because of therapeutic against various disease and disorder due to presence of different phytochemical. Therefore, present study was
taken with the aim to grinding of bay leaf with the help of cyclone type hammer mill and power was extracted by utilization of animal.
For the grinding of bay leaf experiment were conducted software (Design expert 10.0.1) with three independent variables at three levels. Data analysis and optimization was done using Multilevel Categoric Design (Design Expert Software version 10). Variables selected for the
experiment were speed (300, 600 and 900 rpm), time of grinding (5, 10 and 15 min) and sample weight (150, 200 and 250g). Responses selected were efficiency of the grinder, average particle size, hygroscopicity, flowability and colour of the ground sample. The results shows that the efficiency of the grinder varied from 28.82% to 54.12%, average particle size varied from 0.143 to 0.227 mm, hygroscopicity varied from 3.650% to 4.402%, flowability varied from 6.35 sec to 10.22sec. It was found that the speed, time and sample weight had significant effect on efficiency, average particle size hygroscopicity and flowability whereas colour of ground bay leaf sample was not being effected due to any independent parameters taken for the consideration for this study. The results were optimized using software (Design expert 10.0.1). The optimum level of variables for grinding speed (629 rpm), time (5 min) and sample weight (186.26 g).
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