Abstract
ABSTRACT There is a lack of precise measurement of benzoyl peroxide (BP) content in wheat flour products. We therefore studied the measurement of various concentrations of BP added to wheat flour products. The investigation indicated that the content of BP in wheat flour products determined by high-performance liquid chromatography was not accurate. However, the determined value had a significantly linear correlation with the known true value. According to the regression equation relating determined value to true value, the concentration of BP previously added into wheat flour products could be accurately determined. PRACTICAL APPLICATIONS We describe a method in which high-performance liquid chromatography analysis can be used to accurately determine the concentration of the contaminant benzoyl peroxide in wheat flour and wheat products. The method could be used in quality control, traceability and analytical applications.
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