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. Sucipto
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T Djatna
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. Irzaman
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Tun Tedja I
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A M Fauzi
Keywords:
differentiation, lard, tallow, palm oil, electrical properties
Abstract
This study aimed to differentiate lard from tallow and palm oil based on its electrical properties, namely conductance, impedance and capacitance. These properties were measured at spectra frequencies of 4.20 to 5.00 MHz in room temperature (26-27 oC). Statistic multivariate that consist on principal component analysis (PCA) and cluster analysis (CA) were used to evaluate the data. The results showed that lard and tallow can be differentiated using whole parameters electrical properties of materials. On the other hand, lard and palm oil can only be differentiated using part of the material electrical properties. Good performance of differentiation process was obtained using PCA model at 4.91 to 4.98 MHz. The first two components of PCA, which was derived from conductance, impedance and capacitance, contributed more than 90% of the total variances. CA showed that lard and tallow are different groups based on the Euclidean distance of each electrical properties. This technique can be potentially developed as an electrical sensor for differentiation lard to tallow and palm oil.
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Author Biographies
. Sucipto
Department of Agro Industrial Technology, Faculty of Agriculture Technology, Brawijaya University
Jln. Veteran Malang 65145, Indonesia
Department of Agro Industrial Technology, Faculty of Agriculture Technology, Bogor Agricultural University
T Djatna
Department of Agro Industrial Technology, Faculty of Agriculture Technology, Bogor Agricultural University
. Irzaman
Department of Physics, Faculty of Mathematics and Natural Sciences, Bogor Agricultural University
Tun Tedja I
Department of Chemistry, Faculty of Mathematics and Natural Sciences, Bogor Agricultural University
Kampus IPB Darmaga, Bogor 16680, Indonesia
A M Fauzi
Department of Agro Industrial Technology, Faculty of Agriculture Technology, Bogor Agricultural University
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