Jurnal Pendidikan Teknologi Pertanian
Vol. 10 No. 1 (2024): Februari

Model Kinetika Pengeringan Ubi Jalar Ungu (Ipomoea batatas) Menggunakan Cabinet Dryer

Andi Muhammad Akram Mukhlis (Prodi Pendidikan Teknologi Pertanian, Universitas Negeri Makassar)
Andi Sukainah (Prodi Pendidikan Teknologi Pertanian, Universitas Negeri Makassar)
Reski Praja Putra (Prodi Pendidikan Teknologi Pertanian, Universitas Negeri Makassar)
Khaerung Annisa (Prodi Pendidikan Teknologi Pertanian, Universitas Negeri Makassar)



Article Info

Publish Date
28 Feb 2024

Abstract

Sweet potato flour can also be used as a substitute ingredient in food manufacturing. Good control of the drying process is important to produce quality sweet potato flour. To understand the impact of drying on purple sweet potato, an in-depth understanding of drying kinetics is required. The equipment used in this research are cabinet dryer, analytical balance, electric oven, spatula, gegep, porcelain cup, desiccator, and aluminum cup. The material used in this study was fresh purple sweet potato obtained from Pasar Terong, Jl. Terong, Wajo Baru, Kec. Bontoala, Makassar City. Drying temperature became the treatment variable in this study. The temperature used consisted of 3 variations, namely 50oC, 55oC, and 60oC. Drying was carried out for 8 hours and measuring the moisture content every 1 hour during drying. The material moisture content (M) to be determined is the initial moisture content, final moisture content and material moisture content during the drying process. The moisture content of the material is determined using the oven method. Seven different drying mathematical models were evaluated. Determination of effective moisture diffusivity was carried out according to the Second Fick's Law Equation assuming the geometric shape of the material is slab. The drying rate showed a decreasing pattern along with the drying time of the material at various temperature variations. Based on the test results of the three statistical parameters, the Weibull Model has the highest correlation coefficient value.

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Journal Info

Abbrev

ptp

Publisher

Subject

Agriculture, Biological Sciences & Forestry Chemical Engineering, Chemistry & Bioengineering Other

Description

Jurnal Pendidikan Teknologi Pertanian is published twice in a year (February and August). The articles in this journal are articles from original research and have never been published in another journal. The scope of this journal includes : Classroom Action Research in Agricultural Technology ...