Wyeast Laboratories, Inc. Malo-lactic Cultures are designed for direct inoculation of 5 gallons of wine.
Malo-lactic Culture packages contain a live liquid suspension of Oenococcus oenii grown in a sterile organic juice based nutrient medium. Malic acid reduction will balance and soften wine while enhancing flavor and aroma characteristics including vanilla and buttery notes. 4007 Blend (blend of ER1A and EY2d cultures) will provide rapid and complete malic acid reduction in wine over a broad spectrum of conditions. ER1A, an excellent choice for red wines, has been isolated for it’s tolerance to low pH coditions. Ey2D has been selected for it tolerance to low cellar temperatures. Malo-lactic conversion is generally completed within 1-3 months.
Please note: This is a special order Item. Please allow up to 2 weeks to ship.
The Malo-lactic Culture packages contain 125 ml of slurry.This provides the inoculation rate recommended by and for professional vintners for 5 gallons of wine. These cultures will convert malic acid to lactic acid over a broad temperature range (55-90°F). The Malo-lactic cultures will also perform over a broad spectrum of pH conditions. Inoculate wine that has completed or nearly completed alcoholic fermentation. Free SO2 levels should be less than 15 ppm.
Basic instructions for the proper use of Malo-lactic packages:
Shake package well, sanitize, and open.
Add contents to 5 gallons of wine.
Adjust to desired cellaring temperature.
Monitor Malic Acid conversion monthly with paper chromatography or other methods.
Store packages between 34-40°F until use.
Please note: It is highly recommended that a cold pack be purchased when ordering liquid yeast. High Gravity cannot guarantee the viability of liquid yeast if it fails to work unless it was purchased with a cold pack. You can add it to the order by checking the cold pack box near the bottom of the page before adding the yeast to the cart.