2-Hexenal is an aldehyde with a characteristic green, grassy odor, commonly found in various fruits and vegetables. It is a natural compound that contributes to the aroma of fresh-cut grass and is used in flavoring and fragrance applications. In food, it can enhance the sensory profile, providing a fresh note. Its presence is significant in the food industry, particularly in flavoring agents and as a potential natural preservative due to its antimicrobial properties. Additionally, 2-Hexenal is studied for its potential health benefits, including antioxidant activity.