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| - Disposable Sensor for Measurement of Vitamin B2 in NutritionalPremix, Cereal, and Milk Powder
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| - Methodologies for the determination of vitamin B2 in food matrixes and a premix using simple sampleconditioning steps coupled with a convenient and cheap electrochemical sensing device are presented.Electrochemical analysis based on differential pulse voltammetry (DPV) coupled to carbon electrodesgave a well-defined reduction peak at −0.42 V versus a Ag/AgCl quasi-reference electrode. Using astraightforward sample preparation step, vitamin B2 can be measured successfully in a nutritionalpremix and food products. Standard additions of riboflavin were used to confirm the analyteconcentrations and to provide precision data. Keywords: Vitamin B2; voltammetry; screen-printed sensor; nutritional premix; corn flake cereal; milkpowder
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