What happens when you mix mono-sodium glutamate and vinegar?

When you mix monosodium glutamate (MSG) and vinegar, there is no significant chemical reaction between the two. MSG is a salt of glutamic acid, while vinegar primarily consists of acetic acid and water. The combination can enhance the umami flavor of dishes, as MSG is a flavor enhancer, and the acidity of vinegar can complement and balance flavors in food. Overall, the mixture is safe and commonly used in various culinary applications.