Food grade fumaric acid, chemically known as maleic acid, is a food additive. It is a white crystalline powder, odorless or almost odorless, with a slight sour taste. Fumarate exists in various plants in its free state or ester form in nature, and can also be produced through chemical synthesis methods. In the food industry, it is mainly used as an acidity and pH regulator because it can provide a mild acidity and enhance the flavor of food.
The main uses of food grade fumaric acid include as an acidity agent in beverages, pastries, jams, jellies, and other foods. It is also commonly used in wine and fruit juice to adjust acidity and improve taste. In addition, fumaric acid also has antioxidant properties and can be used as an antioxidant to help extend the shelf life of food. In some cases, it is also used as a buffer to maintain the stable pH value of food during processing and storage. Due to its versatility and relatively high safety, fumaric acid occupies a place in food additives, but its use must comply with local regulations and standards.
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