Article Dans Une Revue Food Chemistry Année : 2021

Vitamin B2 concentration in cow milk: Quantification by a new UHPLC method and prediction by visible and near-infrared spectral analysis

Résumé

Until now, there are few information on vitamin B 2 concentration variability in milk. In this study, a novel analytical method to quantify total vitamin B 2 in milk was developed and applied on 676 samples. In parallel, spectral analysis (colorimetry and near infrared spectroscopy) were performed to develop prediction models of vitamin B 2 concentration in milk. The analytical method includes an acid and enzymatic extraction followed by vitamin B 2 quantification by Ultra High Performance Liquid Chromatography coupled with fluorimetry. Samples analysis showed a wide range of concentration from 0.78 to 4.58 mg/L with a mean of 2.09 ± 0.48 mg/L. Two prediction models based on colorimetric analysis allow estimation of vitamin B 2 concentration in milk. Thus, this work shows an analytical method and, for the first time, a prediction method to enable enhancement of researches on vitamin B 2 content of milk and its variation factors.

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hal-03108971 , version 1 (21-01-2021)

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Sophie Laverroux, Fabienne Picard, Donato Andueza, Benoit Graulet. Vitamin B2 concentration in cow milk: Quantification by a new UHPLC method and prediction by visible and near-infrared spectral analysis. Food Chemistry, 2021, 342, pp.128310. ⟨10.1016/j.foodchem.2020.128310⟩. ⟨hal-03108971⟩
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