Maltodextrin, also known as water-soluble dextrin or enzyme dextrin. It is a filler and supplement for various foods. Maltodextrin, also known as water-soluble dextrin or enzyme dextrin. It is made of various starches through low-degree controlled hydrolysis conversion, purification and enzymatic drying. Its raw materials are starch corn, rice and so on. It can also be refined starch, such as corn starch, wheat starch, cassava starch, etc. At present, maltodextrin series products produced in various parts of China are produced by enzymatic process with corn and rice as direct raw materials. Maltodextrin is widely used in candy, malt extract, fruit tea, milk powder, ice cream, beverage, canned food and so on. It is a filler and thickener for various foods. Adding (1) maltodextrin to milk powder and other dairy products can make the product expand in volume, not easy to agglomerate, instant, good washability, prolong the shelf life of the product, reduce the cost and improve the economic benefit. It can also improve the nutritional ratio and the nutritional price ratio, and is easy to digest and absorb. The role of maltodextrin in the preparation of functional milk powder, especially sucrose-free milk powder and baby-promoting milk powder, has been confirmed. The dosage is 5%~20%. (2) Used in nutritious snack foods such as soybean milk powder, instant cereal, malt extract, etc., it has good taste and instant thickening effect, avoids precipitation and stratification, can absorb the beany smell or milk smell, and prolongs the shelf life. The reference dose is 10%~25%. (3) When it is used in solid drinks, such as milk tea, fruit crystal, instant tea, solid tea, etc., it can keep the characteristics and fragrance of the original products, reduce the cost, and the products have mellow and delicate taste, rich flavor, excellent instant effect and inhibit crystallization. Good emulsification effect and obvious carrier effect. The reference dose is 10%~30%. The dosage of DE24~29 maltodextrin suitable for producing coffee companion can reach up to 70%. (4) When used in fruit juice drinks, such as coconut juice, peanut almond syrup and various lactic acid drinks, it has strong emulsifying ability, the original nutritional flavor of fruit juice remains unchanged, it is easy to be absorbed by human body, the viscosity is improved, the product is pure, the stability is good and it is not easy to precipitate. Used for sports drinks, maltodextrin is easy to maintain a balance in human body's metabolism, and the burden of fish digested and absorbed by gastrointestinal tract is small. The reference dose is 5%~ 15%. (5) When used in frozen foods such as ice cream, ice cream or popsicle, the ice particles have fine swelling, good viscosity, moderate sweetness, little or no cholesterol, pure flavor, crisp mouth and good taste, and the dosage is 10%~25%. (6) When used in candy, it can increase the toughness of candy, prevent sand from returning and melting, and improve the structure. Reduce the sweetness of candy, reduce dental diseases, reduce tooth sticking, improve flavor, prevent deliquescence and prolong shelf life. The dosage is generally 10%~30%. (7) Used for biscuits or other convenience foods, with full shape, smooth surface, clear color and good appearance. The product is crisp and delicious, with moderate sweetness, no teeth and no residue, few defective products and long shelf life. The dosage is 5%~ 10%. (8) Maltodextrin is mainly used in various canned or soup foods to increase consistency and improve structure, appearance and flavor. Used in solid seasonings, spices, powdered oils and other foods, it plays the role of dilution and filling, and can prevent moisture from caking, making the products easy to store. It can also play a role in replacing grease in powder grease. (9) Adding maltodextrin to ham, sausage and other meat products can reflect the characteristics of strong adhesion and good thickening, making the products delicate, rich in taste, easy to package and shape, and extending the shelf life. The dosage is 5%~ 10%.