Refreshing nutritious yogurt will become a tough film after air drying! Experts say: thickener is the main reason for air-drying to form a film.
Thickeners, emulsifiers and preservatives should be added in the production process of lactic acid beverage to ensure the stability of the beverage. The thickener, also called edible gum, will solidify into gelatin after air drying. At present, the thickener used in domestic food is relatively safe and will not cause harm to the body.
However, unlike pure yogurt, lactic acid beverage can not replace yogurt to promote digestion. Excessive consumption of lactic acid drinks by children will stimulate gastrointestinal function and affect children's normal appetite.