Studies on Some Physical Properties of Dikanut Seeds

Oladimeji Olusegun, Idowu-Adebayo Folake, Awonorin Sam O, Sanni Lateef O

Abstract


The physical properties of dikanut seeds sold in Nigerian markets were determined.   The dried seeds were evaluated for the principal dimensions, weight, volume, true density, bulk density, and porosity, angle of repose, static coefficient of friction and specific heat capacity.   The average three principal dimensions were 2.375, 1.592 and 0.778cm.  The seeds had an average weight of 1.904g, volume of 2.38cm3, density of 0.832g/cm3, bulk density of 0.475g/cm3, porosity of 43%, and surface area of 3.468cm2.   Angle of repose and coefficient of friction varied quadratically with moisture content.   The specific heat capacity of dikanuts was measured at four moisture contents and eight temperatures.   The specific heat of dikanut varied from 1.9333J/g?C to 6.075J/g?C for moisture contents between 3% and 30% and those that were used to model multiple simple regression equations expressing specific heat as a function of moisture content.

Key words: Dikanut, seed, dimension, specific heat capacity


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ISSN (Paper)2224-3224 ISSN (Online)2225-0956

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