Yeasting with a selected strain is a fundamental component of alcoholic fermentation (AF) control. Leaving AF open to indigenous populations implies taking risks in terms of fermentation parameters (stuck AF, volatile acidity increase…) and aromatic profile (potential multiple deviations). While the choice of yeast strain is essential, it is also necessary to ensure its implantation in the medium, its protection and its nutrition in order to guarantee smooth fermentation throughout. Adhering to the yeasting protocol is also essential to avoid population loss and to ensure correct implantation. ACTIFLORE^® yeasts are technical strains which ensure complete fermentations, with no aromatic deviations, even under difficult conditions.