Issue 14, 2023

Quantitative fat analysis of milk using a line-illumination spatially offset Raman probe through carton packaging

Abstract

Milk is a popular dairy product that provides various nutrients, but consuming too much saturated fat from milk can increase the risk of diseases and obesity. Adulterated milk containing toxic substances can be harmful to human health, and toxic substances can enter the milk at any stage of production. Thus, analytical technologies for detecting various nutrients and harmful substances inside the package are a key requisite for the assessment of dairy products on the market. In this study, we developed a Raman spectroscopic method as a quantitative tool for assessing the milk fat composition and detecting toxic chemicals in packaged milk. Using a line-illumination deep Raman system based on both conventional optics and novel optical fibers, we could quantitatively discriminate the Raman signals of milk fat from those of the packaging materials. Finally, the present system allowed the detection of melamine in adulterated milk (employed as a toxicity model) using a multiple-depth fiber probe.

Graphical abstract: Quantitative fat analysis of milk using a line-illumination spatially offset Raman probe through carton packaging

Supplementary files

Article information

Article type
Paper
Submitted
17 mrt 2023
Accepted
29 mei 2023
First published
21 jun 2023

Analyst, 2023,148, 3321-3329

Quantitative fat analysis of milk using a line-illumination spatially offset Raman probe through carton packaging

S. W. Song, Y. C. Jeong, C. R. Park and H. M. Kim, Analyst, 2023, 148, 3321 DOI: 10.1039/D3AN00416C

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