Mangrove Jack’s AW4 Wine Yeast – 8g Sachet
If this yeast is on sale at 40% off, it’s likely nearing its expiration date—but don’t worry! It’s still highly viable and a great way to save on your brew.
Yeast Specifications:
- Manufacturer: Mangrove Jack
- Yeast Type:
- Attenuation:
- Flocculation:
- Temperature:
Enhance Aromatic Expression in White and Rosé Wines
Mangrove Jack’s AW4 Wine Yeast is a highly aromatic strain specifically designed to elevate the natural flavors and aromas of white and rosé wines. This moderate fermenting yeast imparts fragrant aromatic esters, enhancing varietal expression and delivering wines with a rich bouquet and refined taste.
AW4 is particularly suited for aromatic grape varieties such as Riesling, Gewürztraminer, Sauvignon Blanc, and Semillon. Its ability to produce intense fruity and spicy notes makes it ideal for crafting wines that are both expressive and well-balanced. The yeast's moderate glycerol production contributes to a smooth mouthfeel, adding body without overshadowing the wine's delicate characteristics.
Key Characteristics
- Yeast Type: Saccharomyces cerevisiae
- Suitable Wine Styles: Riesling, Gewürztraminer, Sauvignon Blanc, Semillon, and other aromatic white and rosé wines
- Fermentation Temperature Range: 61–75°F (16–24°C)
- Attenuation: Moderate
- Flocculation: Low
- Alcohol Tolerance: Up to 14% ABV
- Flavor Profile: Fragrant esters with intense fruity and spicy notes; enhances varietal expression and aroma
Brewing Applications
AW4 is ideal for winemakers aiming to produce wines with enhanced aromatic profiles. Its ability to ferment cleanly while accentuating the grape's natural flavors makes it suitable for a variety of white and rosé wine styles. Whether you're crafting a crisp Sauvignon Blanc or a floral Gewürztraminer, AW4 provides the reliability and performance needed for exceptional results.
Usage & Pitching Recommendations
- Direct Pitch: Sprinkle the contents of the sachet directly onto the must (up to 6 gallons or 23 liters) at the desired fermentation temperature.
- Rehydration: Not required; however, if preferred, rehydrate in 10 times its weight of sterile water at 77–86°F (25–30°C) for 15–30 minutes before pitching.
Storage & Shelf Life
- Storage: Store in a cool, dry place. Refrigeration is recommended for extended shelf life.
- Shelf Life: Up to 24 months from the production date when unopened and properly stored.