Red Star® Premier Cuvée (Davis #796) a strain of Saccharomyces bayanus, of French origin, is a special isolate of Lesaffre. This yeast has good tolerance to ethanol and free sulfur dioxide, and ferments to dryness. Premier Cuvée is noted as a very low producer of foam, urea, and fusel oils. It is recommended for reds, whites, and especially sparkling wines. This yeast is reported to perform well restarting stuck fermentations. Winemakers have remarked that Premier Cuvée is the fastest, cleanest, and most neutral fermenter offered by Lesaffre®. Ferments best between 7°- 35°C (45°-95°F).