Fumaric acid has several uses across various industries:
1. **Food Industry**: Fumaric acid is commonly used as an acidulant in food and beverage products. It's used in beverages, candy, gelatin desserts, fruit juice, and baking powder as a flavoring agent and pH regulator.
2. **Pharmaceuticals**: Fumaric acid is utilized in the pharmaceutical industry as an intermediate in the synthesis of various drugs. It's also used in the production of certain medicinal drugs, particularly those related to treating psoriasis.
3. **Cosmetics**: Fumaric acid is employed in cosmetics and personal care products as an ingredient in skincare formulations, such as creams and lotions, due to its ability to adjust acidity levels and act as a stabilizer.
4. **Resins and Polymers**: Fumaric acid is utilized in the production of unsaturated polyester