What aldehyde or ketone might be present in the following everyday products artificial butter flavor popcorn?

The artificial butter flavor in popcorn typically contains 2,3-butanedione.

2,3-Butanedione is a diketone, which is a type of organic compound that contains two ketone groups. It has a strong, buttery odor and is used as a flavoring agent in a variety of food products, including popcorn, baked goods, and dairy products.