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S. cerevisiae • cerevisiae Merlot, Syrah, Zinfandel, Cabernet Sauvignon, Chardonnay, Structured Reds Isolated from one of the best Languedoc terroirs during a special regional program run by the Institut Coopératif du Vin’s (ICV) Natural Micro-Flora Observatory and Conservatory in France. Noted for its good fermentation performance. Produces very few sulfide compounds during fermentation. Selected for fermenting red wines with stable color, intense foremouth volume, mid-palate tannin structure and fresh aftertaste. Lalvin ICV D21® can also be used with very ripe white grapes that are barrel fermented to develop fresh fruit aromas, volume and perceived acidity. In highly clarified juices, maintain fermentation temperatures greater than 16°C(61°F) and supplement with proper nutrition.