Vanillin is one of the most commonly used flavouring agents in the food and beverage industry. It is used in a variety of products such as baked goods, candies and beverages to give them a rich and creamy vanilla flavour. Vanillin is also used as a food additive to enhance the taste of many processed foods.

In addition to its flavouring properties,vanillin has also been shown to have antimicrobial and antioxidant properties. It is a valuable ingredient in food preservation as it prevents the growth of yeast and mold in the end product, making the products more stable and resistant through their shelf life.

As the largest producer of vanillin,China accounts for about 70% of the world's total output,and about 60% of its production is exported.