Exogenous CO2 in South American sparkling wine Susiane Leonardelli, Sandra V. Dutra, Gilberto J. Carnieli, Fernanda Spinelli, Daniel de Siqueira Ferreira and Regina Vanderlinde BIO Web of Conferences, 7 (2016) 02001 Published online: 26 October 2016 DOI: 10.1051/bioconf/20160702001