Analysis of organic acids by HPLC
HPLC: High-Performance Liquid Chromatography
Organic acids are a general term for acidic organic compounds. In addition to components found in food, such as citric acid, which contributes to sourness, and inosine acid, which contributes to umami, they are used as raw materials and additives in cosmetics, pharmaceuticals, and industrial fields, with a wide range of applications. This document introduces simultaneous analysis of 12 organic acid components using HPLC and case studies of soft drink analysis. After separating each component in the column, selective analysis can be performed without being affected by interfering components by reacting with a color reagent (BTB solution) for detection. It is possible to simultaneously qualitatively and quantitatively analyze organic acids in liquid samples as well as in extracts from solids.
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Applications/Examples of results
Analysis of biotechnology, pharmaceuticals, cosmetics, daily necessities, and food.