DESIGN AND PERFORMANCE EVALUATION OF AN ELECTRICALLY POWERED MULTI-PURPOSE FOOD ROASTER

Authors

  • GY Olatunji MECHANICAL ENGINEERING DEPARTMENT, AHMADU BELLO UNIVERSITY, ZARIA, KADUNA STATE, NIGERIA
  • AM Olatunde MECHANICAL ENGINEERING DEPARTMENT, AHMADU BELLO UNIVERSITY, ZARIA, KADUNA STATE, NIGERIA
  • JS Oyeniyi MECHANICAL ENGINEERING DEPARTMENT, AHMADU BELLO UNIVERSITY, ZARIA, KADUNA STATE, NIGERIA

Keywords:

Multi-Purpose, Food, Roasting, Roasting Conditions

Abstract

Food roasting is a method and technique used for transforming raw food into edible and tasty food accompanied with change or alteration in the appearance, taste, aroma, shape, or colour of the end product. The traditional method of use of open grill in Nigeria as an example, does not produce consistent end products. This work is about a multi-purpose roasting machine for Maize (Zea maize), Plantain (Musa paradisiaca) and Yam (Dioscorea Sagittifolia). The roasting temperature is allowed to vary between 160-240oC and the distance between the heat source and the item being roasted is also adjustable (50mm-150mm). A 10-50min experiment using ten maize cobs, yam slices and plantain of an average initial weight of 2.9kg, 3kg and 1.16kg respectively led to 6.91%, 6.7% and 9.5% weight loss and 68.4%, 66.1% and 94.1% roasting efficiency.

http://dx.doi.org/10.4314/njt.v39i1.14

 

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Published

2020-01-03

Issue

Vol. 39 No. 1 (2020): NIGERIAN JOURNAL OF TECHNOLOGY, VOL. 39, NO. 1, JANUARY 2020

Section

Chemical, Industrial, Materials, Mechanical, Metallurgical, Petroleum & Production Engineering

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How to Cite

DESIGN AND PERFORMANCE EVALUATION OF AN ELECTRICALLY POWERED MULTI-PURPOSE FOOD ROASTER. (2020). Nigerian Journal of Technology, 39(1), 131-139. https://nijotech.com/index.php/nijotech/article/view/2228