What is a Hexanal (C₆H₁₂O)?

Hexanal (C₆H₁₂O) is an aldehyde compound with six carbon atoms, also known as caproaldehyde. It is a colorless, oily liquid with a grassy, green odor. Hexanal naturally occurs in fruits (especially apples), vegetables, and plant-based foods. It is formed as a byproduct of lipid oxidation, and plays a significant role in the aroma and flavor profiles of various foods.

In the food industry, hexanal is used as a flavoring agent to impart a fresh, green scent. It is also found in perfumes and air fresheners. Moreover, it serves as an indicator of food spoilage or oxidation, particularly in products containing unsaturated fats.

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