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Article Abstract
Mustard oil is the most commonly adulterated edible oil, invariably with argemone oil. This study was aimed to develop a parallel plate capacitive sensor for measurement of dielectric properties of pure mustard oil, pure argemone oil and their blends (25, 50 and 75%) at five levels of varying temperature (10 to 50 °C). The effect of blend ratio and temperature on the selected dielectric properties of oil-capacitance (), dielectric loss tangent (), dielectric constant ( ), dielectric loss factor ( ) and electrical conductivity () were investigated. It was observed that composition of the individual oils in terms of moisture and fatty acids influenced the physical and dielectric properties. The sensor was used to relate the dielectric properties of oil samples with blend ratio and temperature by means of statistically significant ( < 0.05) and robust ( > 0.8) multiple linear regression model. The effect of temperature on and was negative, while it was otherwise for , and . Increase in argemone oil content in the blends, increased the dielectric measures due to the associated changes in the physical and chemical properties. The capacitive sensor could distinctly identify mustard oil, argemone oil and its blends on the basis of dielectric properties.
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| http://www.ncbi.nlm.nih.gov/pmc/articles/PMC9873895 | PMC |
| http://dx.doi.org/10.1007/s13197-022-05649-0 | DOI Listing |
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