1-Step PN4® 

1-Step PN4® is a starter culture to promote Malolactic Fermentation (MLF) of most red and white wines, in a wide range of oenological conditions. 1-Step Alpha® starter culture consists of a malolactic active freeze-dried Oenococcus oeni strain and a specific activator. 1-Step PN4® is known for being a robust strain that demonstraits capacity to achieve malolactic fermentation for red and white wines in limiting conditions for pH, SO2, and temperature. In red wines, 1-Step PN4® is used for adding spiciness and structure while in white wines, it is used for contributing a buttery flavor and mouthfeel.


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Lallemand Human Nutrition specializes in the development and distribution of yeast and bacteria for the Food, Beverage and Nutrition industry. Lallemand products include a line of mineral- and vitamin-enriched yeasts and premium cranberry extracts and powders. Products offer health benefits in areas of immune health, intestinal health and digestive health and also have application in baking, brewing and oenology.



Lallemand Health Solutions

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