FIGURE 4.

Structure and color of velum on different matrixes: grape, juice medium (Fornachon, 1953), synthetic [Fornachon 4% and 10% (v/v) ethanol] and two Savagnin wines (vintage 2010 and 2014) observed after 1 month. The inoculated strains are from different velums: S6: strain 8.1J from very fine gray velum with islands; S2: 14.2O strain from fine gray velum; S3: 32.22O from brown velum; S4: 36.2J strain from thick white velum and S34: 23.1O strain from very fine gray velum.