Polyphenols in kombucha: Metabolomic analysis of biotransformations during fermentation

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Tran, Thierry | Romanet, Rémy | Roullier-Gall, Chloé | Verdier, François | Martin, Antoine | Schmitt-Kopplin, Philippe | Alexandre, Hervé | Grandvalet, Cosette | Tourdot-Maréchal, Raphaëlle

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International audience. Kombucha is a non-alcoholic beverage made of sugared tea that is transformed by a symbiotic consortium of yeasts and bacteria. This beverage is increasingly produced at industrial scale, but its quality standards remain to be defined. Metabolomics analysis was carried out using FT-ICR-MS (Fourier Transform-Ion Cyclotron Resonance-Mass Spectrometry) to understand the chemical transformations induced by the production phases and the type of tea on the non-volatile compounds of kombucha.

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