E331, or sodium citrate, is a food additive widely used in the food industry as a preservative, antioxidant, and acidity regulator.
Sodium citrates can be produced from natural sources, such as lemons, as well as from synthetic sources.
From the perspective of the keto diet, the additive E331 contains no carbohydrates and does not affect blood glucose levels.
E331 is often used in the production of carbonated beverages, cheeses, jellies, jams, ice creams, and other products. It helps improve the texture of products and extends their shelf life.
