Diacetyl at a glance
- Category
- Flavoring Agent
- Also called
- 2,3-Butanedione, Butanedione
- Commonly found in
- Margarine, Butter-flavored oil sprays, Microwave popcorn, Packaged baked goods
- Diets reviewed
- 26 diets
What is Diacetyl?
Diacetyl is an organic compound that is naturally present in butter and contributes to its characteristic flavor. It is also synthetically produced and widely used as a flavoring agent in various food products, particularly in margarine, oil sprays, and other artificially flavored butter substitutes. Diacetyl is a diketone, which means it contains two carbonyl groups. This compound is especially noted for its strong buttery aroma and taste, making it popular in the food industry.
Also known as:
Diet Compatibility
Diacetyl is found in butter as well as in margarine, oil sprays, shortening, and other artificially flavored butter substitutes. If the label is not clear, we recommend calling the manufacturer.
Learn more →This ingredient is generally considered compatible with a Alphagal diet.
Learn more →This ingredient is generally considered compatible with a Barley Free diet.
Learn more →This ingredient is generally considered compatible with a Corn Free diet.
Learn more →This ingredient is generally considered compatible with a Dairy Free diet.
Learn more →This ingredient is generally considered compatible with a Egg Free diet.
Learn more →This ingredient is generally considered compatible with a Fish Free diet.
Learn more →This ingredient is generally considered compatible with a Garlic Free diet.
Learn more →This ingredient is generally considered compatible with a Gerd diet.
Learn more →This ingredient is generally considered compatible with a Gluten Free diet.
Learn more →This ingredient is generally considered compatible with a Lactose Free diet.
Learn more →This ingredient is generally considered compatible with a Fodmap diet.
Learn more →This ingredient is generally considered compatible with a Lupin Free diet.
Learn more →This ingredient is generally considered compatible with a Milk Free diet.
Learn more →This ingredient is generally considered compatible with a Nightshades diet.
Learn more →This ingredient is generally considered compatible with a Oat Free diet.
Learn more →This ingredient is generally considered compatible with a Onion Free diet.
Learn more →This ingredient is generally considered compatible with a Peanut Free diet.
Learn more →This ingredient is generally considered compatible with a Pescatarian diet.
Learn more →This ingredient is generally considered compatible with a Rye Free diet.
Learn more →This ingredient is generally considered compatible with a Sesame Free diet.
Learn more →This ingredient is generally considered compatible with a Shell Fish Free diet.
Learn more →This ingredient is generally considered compatible with a Soy Free diet.
Learn more →This ingredient is generally considered compatible with a Tree Nut Free diet.
Learn more →This ingredient is generally considered compatible with a Vegetarian diet.
Learn more →This ingredient is generally considered compatible with a Wheat Free diet.
Learn more →Compatibility ratings are general guidelines and may vary by individual. Always consult a healthcare professional for personalized dietary advice.
Why People Avoid Diacetyl
People may avoid diacetyl due to health concerns and dietary preferences. Inhalation of diacetyl in high concentrations has been associated with respiratory issues, such as 'popcorn lung' (bronchiolitis obliterans), particularly in industrial settings. From a dietary perspective, vegans may avoid diacetyl if derived from non-vegan sources, although it is often synthetically produced. Additionally, individuals with a preference for natural ingredients may choose to avoid artificial flavorings, including diacetyl.
Potential Reactions
- Respiratory issues (inhalation)
This information is for educational purposes only and should not be considered medical advice. Individual reactions can vary. Consult a healthcare professional if you have concerns about specific ingredients.
Foods That Commonly Contain Diacetyl
Browse products that match your diet.
Explore ProductsFrequently Asked Questions
How Spoonful reviews ingredients
- Evidence-based. Diet compatibility ratings are compiled from peer-reviewed nutrition guidance, dietary association recommendations, and ingredient composition data.
- Continuously updated. Our ingredient database is refreshed as new sources and product data become available.
- Transparent uncertainty. When an ingredient's safety depends on serving size, preparation, or sub-ingredients, we mark it “caution” rather than forcing a binary answer.
- Not medical advice. Ratings are general guidance. Always consult a registered dietitian for personalized recommendations.
Take the Guesswork Out of Grocery Shopping
Join thousands who use Spoonful to find foods that match their dietary needs.
