Ellagitannin evolution of aged Cognac eaux-de-vie; Impact of barrel toasting Mathilde Gadrat, Catherine Emo, Joël Lavergne, Pierre-Louis Teissèdre and Kléopatra Chira BIO Web Conf., 56 (2023) 02013 Published online: 24 February 2023 DOI: 10.1051/bioconf/20235602013