Abstract
<p class="abstrak2">Milk, as the prime source of food for mammals, has an electrolyte to replace the loss of body fluid caused by activity or metabolism process. The total electrolyte concentration can be measured based on conductivity value from the nutritional content. Therefore, the parameter of the quality of milk with conductivity value can be a benchmark for quality and selling value of milk, making it simpler to be implemented in the field. The aim of this research is to analyze the relation between electric conductivity (EC) with the content value of cow milk. The milk was taken from 10-30 cows from a farm in Lembang (district of West Bandung), Pengalengan (district of Bandung), Tasikmalaya, Sumedang, Subang, Sukabumi and Bogor of West Java Province. The milk was put in 50 ml of sterile falcon. The Probe EC count-meter CT-3031 was used to measure EC while the quality of milk was measured by Probe MilkoScan<sup>TM</sup>FT 120 (Foss). The milk quality is reflected by protein content, Fat, Total Solid (TS), Solid Non-fat (SNF), Lactose, Density, Acidity and Freeze Point Deviation (FPD). The results of this study show that the EC value in the milk gives a very real positive effect (p=&lt;0.01) to Total Solid (TS), Solid Non-fat (SNF), Lactose, and Freeze Point Deviation (FPD). The value of EC also significantly affect (p=&lt;0.05) the value of density in milk. Therefore, the value of EC can be used to predict the quality value of milk.</p>
Highlights
The results of this study show that the electric conductivity (EC) value in the milk gives a very real positive effect (p=
Electric conductivity value is determined by the concentration of anion and cation condition
The composition of milk consists of fatty emulsions in water containing sugar, mineral salts, and proteins in the form of colloidal suspense, which means that the main components of milk are water, fat, protein, lactose and ash
Summary
Electric conductivity value is determined by the concentration of anion and cation condition. The electrical conductivity or well known as conductivity is how far a solution may conduct electricity (Irwan & Afdal 2016), so that the conductivity value of a solution is a measure of total concentration of electrolyte in a solution. Electrolyte solution is a solution consisting of negative and positive ions. Its molecules are dissociated into positive and negative electricity charged particles. Yanthi et al Correlation of electric conductivity values with the dairy milk quality
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