Merlot Red Wine Yeast | White Labs WLP740 Yeast
White Labs WLP740 Merlot Red Wine Yeast – Premium Strain for Elegant, Full-Bodied Reds
Craft Smooth, Structured Merlots with Classic Fruit & Tannin Profile
White Labs WLP740 Merlot Red Wine Yeast is a high-performance Saccharomyces cerevisiae strain designed specifically for Merlot and Bordeaux-style blends. It delivers rich red fruit aromas—think black cherry, plum, and blackberry—alongside enhanced mouthfeel, tannin softening, and color stability. With moderate-to-high attenuation and strong alcohol tolerance, WLP740 ensures polished, refined wines with balance and depth.
Key Characteristics:
- Attenuation: 70% - 85%
- Alcohol Tolerance: 14% - 16% ABV
- Fermentation Temp Range: 60°F - 75°F (16°C - 24°C)
- Flocculation: Medium
Perfect for Fermentations:
- Merlot & Red Bordeaux Blends
- Cabernet Sauvignon, Cabernet Franc
- Dark-Fruit Focused Reds
- Fortified & High-Gravity Reds
Why Choose WLP740 Merlot Yeast?
- Fruit-Driven Profile: Showcases black cherry, plum, and blackberry notes.
- Elegant Structure: Softens tannins while preserving mouthfeel.
- High Alcohol Tolerance: Supports full-bodied wines up to 16% ABV.
- Color Stability: Helps retain deep red hue and clarity.
Enhance Your Fermentation Process
Promote clean fermentation with White Labs Brewzyme, and support optimal yeast performance with White Labs Zinc Buddy.
Our Commitment to Culture Health
At SoCal Brewing Supply, we store all cultures under constant refrigeration with 24-hour monitoring to ensure peak viability and purity. We recommend adding an ice pack and insulated envelope for shipping protection—even if it melts, it helps buffer the culture during transport.
Looking for more wine and fermentation yeast? Browse our full White Labs yeast selection here.
Elevate your red wine program with White Labs WLP740 Merlot Yeast—powerful, elegant, and built for classic Merlot expression.