Yeast Derived Wine Making Additives (SIY)

OptiRED – Lallemand Yeast Derivative for Color, Body & Tannin Integration in Red Wines Enhances early formation of polysaccharide–polyphenol complexes for more intense, stable color Rounds and smooths tannins to reduce harshness and astringency Builds fuller body and improved mouthfeel without altering varietal expression Can be used at the start or during fermentation for flexible control over tannin structure Outperforms generic inactivated yeast products by delivering high‑molecular‑weight mannoproteins via MEX™ processing OptiRED is a tailored inactivated yeast derivative produced by Lallemand using an innovative MEX™ method that makes high-molecular-weight polysaccharides immediately available in the must. When introduced early during maceration or alcohol fermentation, these compounds complex with freshly released anthocyanins and tannins, protecting color integrity and creating softer, more integrated tannin profiles. The result is a red wine with enhanced intensity, smoother palate, improved structural balance, and longer-term color stability—without over‑manipulating varietal character. This effect is particularly noticeable in light‑ to medium‑bodied reds or in vintages with lower phenolic maturity. Protocol Suspend the recommended dose in 10× its weight of clean must or water. Stir thoroughly to ensure full dispersion, then add at one of these points: • At the beginning of maceration or alcoholic fermentation for enhanced color protection and tannin integration • Toward the end of fermentation to smooth out persistent harshness without affecting initial extraction. Usage Rates Recommended dosage: 20–40 g per hectoliter = 0.2–0.4 g per liter = 0.76–1.5 g per gallon For standard use, 30 g/hL (0.3 g/L or ~1.14 g/gal) provides excellent balance between color enhancement and mouthfeel refinement. For home users a rough approximate of weight is 1 tsp = 2.6 grams. We highly recommend using a scale to weigh the product for an accurate dose. We do not recommend relying on these rough conversions for accurate dosage rates.

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A OptiWHITE – Lallemand Yeast Derivative for Freshness, Mouthfeel, and Oxidation Protection in White and Rosé Wines Protects delicate white and rosé wines from oxidation during fermentation Enhances freshness, aroma longevity, and color stability Improves mouthfeel and softness without adding bitterness Reduces the risk of browning and premature aging Outperforms generic inactivated yeasts due to its targeted composition and polysaccharide profile OptiWHITE is a specific yeast derivative developed by Lallemand through a proprietary production method that preserves functional compounds like glutathione precursors and polysaccharides. Added at the beginning of fermentation, OptiWHITE helps protect varietal aromas and prevents oxidative damage in white and rosé wines. This is especially valuable for wines with thiol or terpene-driven profiles, such as Sauvignon Blanc, Riesling, and Muscat. It contributes to a round, full palate with reduced astringency and bitterness, while preserving brightness and youthful aromas through aging. Compared to standard yeast hulls or inactivated yeast products, OptiWHITE delivers a cleaner fermentation environment with more reliable sensory impact. Protocol Add OptiWHITE directly to the juice or must at the beginning of alcoholic fermentation. Disperse in ten times its weight of clean water or must, then mix thoroughly into the tank. Best used before or during the first stages of fermentation. Do not co-add with bentonite or tannins. Usage Rates Recommended dosage: 20–40 grams per hectoliter = 0.2–0.4 grams per liter = 0.76–1.5 grams per gallon For home users a rough approximate of weight is 1 tsp = 3.4 grams  

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