New insight about the functionality of oenological tannins; Main results of the working group on oenological tanninsA. Vignault, O. Pascual, J. Gombau, M. Jourdes, V. Moine, M. Fermaud, J. Roudet, J.M. Canals, P.-L. Teissedre and F. ZamoraBIO Web Conf., 12 (2019) 02005DOI: https://doi.org/10.1051/bioconf/20191202005