2Acetyl2thiazoline

2-Acetyl-2-thiazoline is a heterocyclic organic compound. It belongs to the class of thiazolines, which are characterized by a five-membered ring containing one sulfur atom and one nitrogen atom, with a double bond between a carbon and the nitrogen atom. In the case of 2-acetyl-2-thiazoline, an acetyl group (CH3CO-) is attached to the carbon atom at the 2-position of the thiazoline ring. The chemical formula for 2-acetyl-2-thiazoline is C5H7NOS.

This compound is notable for its distinctive aroma. It is recognized as a key aroma compound contributing to the characteristic smell of roasted foods, particularly in popcorn and bread crusts. It is formed during the Maillard reaction, a complex series of chemical reactions that occurs between amino acids and reducing sugars when heated. The concentration and perception of 2-acetyl-2-thiazoline can vary depending on cooking time, temperature, and the specific ingredients involved. Its presence is a significant factor in the desirability of many cooked food products. Researchers have identified and quantified 2-acetyl-2-thiazoline in various food matrices to understand and control flavor profiles.