Vanillin is a phenolic aldehyde that contains functional groups including aldehyde, hydroxyl, and ether.
The largest application of vanillin is in the food industry as a flavoring agent, particularly in sweet foods. The ice cream and chocolate industries comprise the majority of the market for vanillin, accounting for 75% of its use as a flavoring agent. It is also utilized in the production of confections and baked goods.
Apart from its use in the food industry, vanillin is also employed in the fragrance industry, particularly in perfumes. It is also utilized as a masking agent to conceal unpleasant tastes or odors in medicines, livestock fodder, and cleaning products. Moreover, vanillin is a significant keynote in the flavor industry, particularly in creamy profiles such as cream soda.