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Development of a kolanut peeling device.

I Kareem1, O K Owolarafe1, O A Ajayi1

  • 1Department of Agricultural Engineering, Faculty of Technology, Obafemi Awolowo University, Ile-Ife, Nigeria.

Journal of Food Science and Technology
|October 21, 2014
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Summary

This study developed a kolanut peeling machine for efficient postharvest processing. The machine achieved its highest peeling efficiency of 60.3% at 61.4% moisture content and 40 rpm.

Keywords:
KolanutMoisture contentPeeling efficiencyPeeling machine

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Area of Science:

  • Agricultural Engineering
  • Postharvest Technology
  • Food Processing Equipment

Background:

  • Kolanut processing requires efficient postharvest methods to reduce labor and improve seed quality.
  • Existing kolanut peeling methods can be labor-intensive and time-consuming.
  • Developing automated or semi-automated machinery is crucial for the commercialization of kolanut.

Purpose of the Study:

  • To design, construct, and evaluate a novel kolanut peeling machine.
  • To determine the optimal operating parameters for maximizing peeling efficiency.
  • To assess the impact of moisture content and machine speed on kolanut peeling performance.

Main Methods:

  • A kolanut peeling machine was designed and constructed, featuring a standing frame, peeling unit with a special paddle, and hopper.
  • The machine's performance was evaluated by testing its peeling efficiency across various kolanut moisture content levels (53.0%, 57.6%, 61.4% w.b.) and operational speeds (rpm).
  • Statistical analysis (Analysis of Variance) was employed to determine the significance of factors affecting peeling efficiency.

Main Results:

  • Both machine operating speed and kolanut moisture content significantly influenced peeling efficiency (p < 0.05).
  • Peeling efficiency increased with higher moisture content.
  • Peeling efficiency decreased as the machine's operational speed increased.

Conclusions:

  • The designed kolanut peeling machine demonstrates potential for efficient postharvest processing.
  • Optimal performance, achieving 60.3% peeling efficiency, was recorded at 61.4% moisture content and 40 rpm.
  • Further research may focus on refining the design for higher efficiencies and broader applicability.