Rapid Detection of Carminic Acid in Yogurt and Lactobacillus-Containing Beverage by Al3+-Based Fluorescence EnhancementEnglish Full TextEnglish Full Text (MT)
LIU Lanxiang;YI Guandong;LI Kai;MA Jinju;XU Juan;SUN Yanlin;ZHANG Hong;Research Institute of Resources Insects, Chinese Academy of Forestry;Faculty of Chemical Engineering, Kunming University of Science and Technology;
Abstract: The effects of solvents, carminic acid concentration, pH and metal ions on the fluorescence properties of carminic acid were systematically studied. The fluorescent intensity of carminic acid was the strongest at a concentration of 2.0 × 10-4 mol/L in an aqueous solution at pH 4. The selectivity of carminic acid to metal ions indicated that the addition of Al3+ could significantly enhance the fluorescence intensity of carminic acid thus improving the sensitivity of detectio... More
- Series：
(B) Chemistry/ Metallurgy/ Environment/ Mine Industry
- Subject：
Chemistry; Light Industry, Handicraft Industry
- Classification Code：
O657.3;TS207.3
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