Category: Analytical methods

The US Food and Drug Administration (FDA) permits sodium benzoate as a food preservative at a maximum concentration of 0.1%. To accurately measure this widely used additive and ensure compliance, laboratory analysis is required, which often involves a specific chemical indicator for titration.

According to the National Institutes of Health, dietary fiber intake is crucial for digestive health and can reduce the risk of chronic diseases like cardiovascular disease and type 2 diabetes. AOAC 991.43 is a specific, widely used enzymatic-gravimetric method that food manufacturers and researchers rely on to accurately measure the total, soluble, and insoluble dietary fiber content in food products.

Studies show that vitamin C is highly unstable and easily degrades with exposure to heat and oxygen. Accurate measurement is crucial for quality control in the food and pharmaceutical industries, so understanding how can vitamin C be determined is vital for analysts.