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- W2356782378 abstract "[Objective] To explore an effective method for determining benzoyl peroxide in flour and flour products. [Methods] The benzoyl peroxide in flour and flour products was extracted with anhydrous alcohol; its content was determined with diode array detector of high performance liquid chromatography. The optimized condition of HPLC was as follow: eluting solvent was V (0.02mol/L NH 4Ac) LV (methanol) =96:4, eluting rate was 0.20ml/min, column temperature was 40℃, wavelength of detection was 225nm, injecting volume was 10μl. [Results] The detection limit of the method was 0.005 mg; the recovery rate was between 97.0% and 100.7%; RSD was 0.21% (low concentration) and 0.44% (high concentration). Among the 249 samples of flour and flour products, the positive rate of benzoyl peroxide was 84.3%, and 29.3% of them were found with super scale over the hygienic standard, the superscale in flour products was higher than that in the flour. [Conclusion] This method is accurate and easy to operate in determining benzoyl peroxide in flour and flour products. The hygienic standard for antiseptic benzoic acid should be used to determine the flour products." @default.
- W2356782378 created "2016-06-24" @default.
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- W2356782378 date "2005-01-01" @default.
- W2356782378 modified "2023-09-25" @default.
- W2356782378 title "Determination of Benzoyl Peroxide in Flour and Flour Products with Diode Array Detector of High Performance Liquid Chromatography" @default.
- W2356782378 hasPublicationYear "2005" @default.
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