Journal
INTERNATIONAL JOURNAL OF FOOD SCIENCE AND TECHNOLOGY
Volume 49, Issue 12, Pages 2628-2634Publisher
WILEY
DOI: 10.1111/ijfs.12594
Keywords
Butter adulteration; coconut oil; food quality; palm oil; synchronous fluorescence spectroscopy
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The potential of fluorescence spectroscopy for detection of butter adulteration with palm and coconut oils was investigated. Synchronous fluorescence spectra were collected in the range of 240-700nm with wavelength intervals () of 10, 30, 60 and 80nm. The applied technique was used to detect the addition of palm and coconut oils to butter, and the lowest limit of detection for adulteration (LOD - 5.5%) was observed after applying the wavelength interval of 60nm. The multiple linear regression (MLR) models were used to calculate the level of adulteration with the lowest root mean square error of calibration (RMSEC) and root mean square error of validation (RMSEV) of 3.8 and 3.9%, respectively, for the measurements acquired at the wavelength interval of 60nm.
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