Synchronous Front-Face Fluorescence Spectra: A Review of Milk Fluorophores

Area of Science:

• Food science and analytical chemistry.
• Spectroscopy and fluorescence analysis.

Background:

• Industrial processing significantly alters milk's physicochemical properties and functional characteristics.
• Conventional analytical methods for milk characterization are time-consuming.
• Front-face fluorescence spectroscopy presents a rapid, in-line alternative for milk analysis.

Purpose of the Study:

• To consolidate and organize dispersed research findings on milk's fluorescent spectrum.
• To provide a comprehensive chemical characterization of milk's fluorescence by linking spectral regions to specific fluorophores.
• To serve as a central reference for future research in milk fluorescence analysis.

Main Methods:

• Review and synthesis of existing scientific literature on milk fluorescence.
• Division of milk fluorescence spectra into distinct areas.
• Association of each spectral area with identified fluorophores and their properties.
• Compilation of a summary table of fluorophores and cited references by spectral area.

Main Results:

• Milk's complex matrix presents challenges in unique compound identification via fluorescence.
• Specific fluorophores have been identified and linked to distinct regions within the milk fluorescence spectrum.
• A structured overview of milk's fluorescent components and their spectral contributions is presented.

Conclusions:

• This review provides a foundational understanding of milk's fluorescent properties.
• The organized information facilitates further research into milk characterization using fluorescence spectroscopy.
• The compiled data serves as a valuable reference for scientists and researchers in the field.