Drying characteristics of unshelled kernels of candle nuts

Tarigan, Elieser and Prateepchaikul, Gumpon and Yamsaengsung , Ram and Sirichote, Anchalee and Tekasakul, Perapong (2007) Drying characteristics of unshelled kernels of candle nuts. Journal of food engineering, 79 (3). pp. 828-833. ISSN 0260-8774

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Abstract

Candle nuts are cultivated in approximately 170000 ha. in Indonesia, and yield around 140000 tons of fruit per year. Prior to removing the shells, drying is an important process in the post-harvesting practice of candle nuts to obtain kernels as the final products. This paper gives a brief description of the efforts to obtain the basic drying characteristics of candle nuts, which is a pre-requisite for dryer design. The measurements were taken for unshelled kernels of candle nuts, for both fresh and stored samples, at temperatures of 40, 50, and 60 °C and drying air velocity of 0.67 m/s and 1 m/s using a forced convection dryer. The total drying time was substantially reduced with an increase in temperature, and the effect of drying air velocity was relatively small. Page's model adequately describes the drying behavior for the range of temperatures measured. The dependence of the drying constant on air temperature can be described by the Arrhenius model.

Item Type: Article
Subjects: S Agriculture > SB Plant culture
Divisions: Academic Department > Department of Mathematics and Natural Science
Depositing User: Perpustakaan UBAYA
Date Deposited: 25 Nov 2011 08:48
Last Modified: 28 Nov 2011 07:11
URI: http://repository.ubaya.ac.id/id/eprint/17

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