Herein, we demonstrated that bentonites can be incisively used to reduce wine BAs content, especially putrescine molecules. Pioneering kinetic and thermodynamic studies of putrescine adsorption onto two commercially available bentonites (optimal concentration of 0.40 g dm-3) were performed resulting in ca. 60% removal by physisorption mechanism. Both bentonites showed also promising results in more complex systems, resulting in a lower putrescine adsorption due to the competition with other molecules (as proteins, polyphenols), typically present in wines. Nonetheless, we managed to reduce the putrescine content below 10 ppm both in red and white wines.
Wine Putrescine Abatement by Bentonites: From Ideal Case to Practice / U. Colombi, L. Sanarica, E. Pargoletti, C. Pisarra, F. Manzoni, G. Cappelletti. - In: FOOD CHEMISTRY. - ISSN 0308-8146. - 417:(2023 Aug 15), pp. 135876.1-135876.6. [Epub ahead of print] [10.1016/j.foodchem.2023.135876]
Wine Putrescine Abatement by Bentonites: From Ideal Case to Practice
E. Pargoletti
;G. CappellettiUltimo
2023
Abstract
Herein, we demonstrated that bentonites can be incisively used to reduce wine BAs content, especially putrescine molecules. Pioneering kinetic and thermodynamic studies of putrescine adsorption onto two commercially available bentonites (optimal concentration of 0.40 g dm-3) were performed resulting in ca. 60% removal by physisorption mechanism. Both bentonites showed also promising results in more complex systems, resulting in a lower putrescine adsorption due to the competition with other molecules (as proteins, polyphenols), typically present in wines. Nonetheless, we managed to reduce the putrescine content below 10 ppm both in red and white wines.File | Dimensione | Formato | |
---|---|---|---|
Pre proof version.pdf
accesso aperto
Tipologia:
Pre-print (manoscritto inviato all'editore)
Dimensione
1.02 MB
Formato
Adobe PDF
|
1.02 MB | Adobe PDF | Visualizza/Apri |
1-s2.0-S0308814623004934-main.pdf
accesso riservato
Tipologia:
Publisher's version/PDF
Dimensione
1.74 MB
Formato
Adobe PDF
|
1.74 MB | Adobe PDF | Visualizza/Apri Richiedi una copia |
Pubblicazioni consigliate
I documenti in IRIS sono protetti da copyright e tutti i diritti sono riservati, salvo diversa indicazione.