This article from Galaxy Scientific outlines how butter and its components are analyzed using NIR spectroscopy.

Near-infrared spectroscopy is a form of non-invasive imaging that applies near-infrared radiation (wavelengths 780 nm to 3,000 nm) to chemicals or biological subjects to measure differential ...

The NIR (Near-infrared) laser spectroscopy laboratory is dedicated to the advancement of photonic and quantum information technology in an interdisciplinary effort. This encompasses the development of ...