Ingredient

Lactis Biovar Diacetylactis

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Source
Animal-derived
Allergen
No
Role in food
This bacterial strain is primarily used as a starter culture in the production of …

What it is

Lactis Biovar Diacetylactis is a strain of lactic acid bacteria, a type of microorganism commonly used in food production. It is a specific variant of the species Lactococcus lactis, known for its ability to produce diacetyl, a compound that gives a buttery flavor.

Why it's used

This bacterial strain is primarily used as a starter culture in the production of dairy products like butter, cheese, and yogurt. It contributes a characteristic buttery aroma and flavor, acting as a natural flavor enhancer in these foods.

Health notes

Lactis Biovar Diacetylactis is generally recognized as safe (GRAS) by the FDA for use in food. As a component of fermented foods, it is consumed in small amounts and is not associated with adverse health effects at typical intake levels. International bodies like JECFA have evaluated lactic acid bacteria strains used in food, and they are widely considered safe.

Allergen info

Lactis Biovar Diacetylactis is derived from milk, as it is a strain of bacteria that ferments milk sugars. Therefore, it is considered a dairy ingredient and is related to the major allergen milk.

Products containing Lactis Biovar Diacetylactis

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Last updated: September 28, 2026

Note: This site presents label data from USDA FoodData Central for general information. It is not medical advice. Check the package label; formulations change.