Study on the interaction of β-cyclodextrin and berberine hydrochloride and its analytical application

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Abstract

The fluorescence enhancement of berberine hydrochloride (BBH) as a result of complex with β-cyclodextrin (β-CD) is investigated. The mechanism of the inclusion was studied and discussed by spectrofluoremetry and infrared spectrograms. The results showed that a 1:1 (β-CD: BBH) complex was formed with an apparent association constant of 4.23×102 L/mol. Based on the enhancement of the fluorescent intensity of berberine hydrochloride, a new spectrofluorimetric method for the determination of BBH in the presence of β-CD was developed. The linear range was 1.00-4.00 μg/mL with the detection limit of 5.54 ng/mL. The proposed method was successfully applied to the determination of BBH in tablets. © 2014 Jia et al.

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Jia, B., Li, Y., Wang, D., & Duan, R. (2014). Study on the interaction of β-cyclodextrin and berberine hydrochloride and its analytical application. PLoS ONE, 9(5). https://doi.org/10.1371/journal.pone.0095498

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