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S. cerevisiae • bayanus Chardonnay, Chenin Blanc, Sauvignon Blanc, Rhône Whites, Aromatic Whites, Rosé Fermivin 4F9 was selected by the IFV (formerly ITV) in the Loire Valley. Fermivin 4F9 produces white and rosé wines with intense, exotic fruit (guava, passion fruit) and floral aromas. Releases large quantities of polysaccharides, enhancing body and volume. A fast fermenter with a moderate nutrient requirement, alcohol tolerance of 15.5% (v/v) and optimum fermentation temperature of 14–20°C (57–68°F). A low SO2 and H2S producer.