Lactic acid bacteria Lactoenos PreAc 450. 450 Lactoenos PreAc combines a strain of Oenococcus oeni specially selected and an exclusive process of production and acclimatization optimized - The cost-effectiveness of 450 PreAc actually preparing bacteria Oenococcus oeni ideal for control of malolactic fermentation wines range in the heart of turnover, for which reproducibility of results and cost control are essential. Packaging: 50 hl dose. BIO Vinification: product authorized in the specifications "FNIVAB.