Effects of the pre-fermentative addition of chitosan on the nitrogenous fraction and the secondary fermentation products of SO2-free red wines

1. Marchante, L.
2. Mena, A.
3. Izquierdo-Cañas, P.M.
4. García-Romero, E.
5. Pérez-Coello, M.S.
6. Díaz-Maroto, M.C.