2014•Applied Mechanics and MaterialsOpen access

The Sensitive Fluorimetric Method for the Determination of Curcumin Using the Enhancement of Mixing Micelle

Wei Huang, Feng Wang, Hong Long Zhu

Abstract

It is found that the fluorescence of curcumin is greatly enhanced by La3+ in the prescence of sodium dodecyl benzene sulfonate (SDBS). Based on this, a sensitive fluorimetric method for the determination of curcumin in aqueous solution is proposed. In the HOAc-NaOAc buffer, the fluorescence intensity of curcumin is proportional to the concentration of curcumin in the range of 0.0074-7.4μg·mL-1 and the detection limit is 3.66ng·mL-1. The actual samples are satisfactorily determined.

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Key concepts: Curcumin, Chemistry, Micelle, Fluorescence, Detection limit, Aqueous solution, Chromatography, Buffer solution