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Study of physical and electrical characteristics of skim milk

DOI: 10.18805/ajdfr.DR-1319    | Article Id: DR-1319 | Page : 18-21
Citation :- Study of physical and electrical characteristics of skim milk.Asian Journal of Dairy and Food Research.2018.(37):18-21
Aravind Thyarla, A.K.. Agrawal, K.K. Sandey, V. Suresh, B. Prasanth, K.S. Umapathy and Geetesh Sinha aravindthyarla4@gmail.com
Address : Department of Dairy Engineering, College of Dairy Science and Food Technology, Chhattisgarh Kamdhenu Vishwavidyalaya, Durg, Raipur-492 006, Chhattisgarh, India.
Submitted Date : 30-10-2017
Accepted Date : 9-01-2018

Abstract

The present investigation was carried out to determine the various physical and electrical characteristics of skim milk with respect to density, specific weight and electrical conductivity. These physical characteristics were determined considering three levels of temperatures 25, 30 and 350C at intervals of 0, 1, 2 and 3 h. The highest values for density and specific weight of skim milk were observed as1032.32 kg/m3 and 10.13 kN/m3at 250C respectively and with respect to time it was observed 1030.99 kg/m3 and 10.12 kN/m3 at 3 h respectively. The highest electrical conductivity of skim milk was 5.62mS/cm at 350C and with respect to time it was observed 5.54mS/cm at 3 h. There is not much appreciable effect of variation on physical and electrical characteristics with respect to time, whereas the temperature had shown significant effect(P<0.05) on physical characteristics of skim milk. The data generated in the present investigation can be utilized as guidelines for designing of skim milk based processing systems like evaporated plant and skim milk spray drying plant etc.

Keywords

Density Electrical conductivity Physical characteristics Skim milk Specific weight.

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