Used to measure the concentration of free fatty acids in various samples, including food, oils, and biological specimens. Essential in quality control for edible oils and fats, ensuring products meet industry standards. Helps assess lipid metabolism in research studies, providing insights into metabolic disorders like obesity and diabetes. Applied in the food industry to monitor rancidity and shelf life of products. Utilized in clinical diagnostics to evaluate lipid profiles and metabolic health. Supports environmental studies by analyzing fatty acid content in soil and water samples.