Acidulants

Citric acid anhydrous, a type of food additives, is mainly used as flavoring agent, preservative and antistaling agent in food and beverage industry.
It also can be used as antioxidant, plasticizer, detergent in chemical, cosmetics and detergent industries.

As colorless, scentless and semi-transparent rhombic crystal or white crystalline powder, citric acid monohydrate can be deliquesced in the humid air, with strong acid and fruit flavour.
Citric acid monohydrate is mainly used as sour agent, flavoring agent, preservative and antistaling agent in food and beverage industry, and used as antioxidant, plasticizer and detergent in chemical, cosmetics and detergent industries.
It also can be used as medicine freshener in the pharmaceutical industry.

DL-malic acid is widely used in soft drinks, candy, jelly, jam, dairy products, canned foods, frozen foods, fresh fruits and vegetables, beverages, meat products, flavor, spice and pharmaceutical products.

DL-tartaric Acid, a kind of food additives, is a white crystalline organic acid.
It occurs naturally in many plants, particularly grapes, bananas, and tamarinds, and is one of the main acids found in wine.
As antioxidant added to food, it can make the food have sour flavor.
It also can be used as the raw material of succinic acid.

Fumaric acid, also known as trans-butenedioic acid, is in the shape of colorless crystal, existing in many kinds of mushrooms and fresh beef.
This kind of food additives can be used in the manufacturing of unsaturated polyester resins. It is a food acidulent used for a long time because it is non-toxic.

Food industry: it can be used in the processing and concoction of beverage, liqueur, fruit juice and the manufacture of candy and jam etc. It also has effects of bacteria inhibition and antisepsis and can remove tartrate during wine brewing.
Tobacco industry: malic acid derivative (such as esters) can improve the aroma of tobacco.
Pharmaceutical industry: the troches and syrup compounded with malic acid have fruit taste and can facilitate their absorption and diffusion in the body.

As a non-natural tartaric acid, L(+)-tartaric acid is mainly used as pharmaceutical intermediate.
It can be used as acidulant for drinks and other food products, such as: soft drinks, wine, candy and bread, and so on.

Potassium citrate is mainly used as analytical reagent and food additive.
It can be made into high efficient compound fertilizer and can be used in paper making, gild, and other industries.
It also can be used as buffering agent, chelator, stabilizer, antioxidant, emulsifying salt and flavoring additives.

In the shape of colorless crystal or white crystalline powder, sodium citrate has slight deliquescence in the humid air and has weathering in the hot air.
Sodium citrate is mainly used as a food additive, which is an essential food ingredient in our food supply.

With a strong preservation effect, lactic acid is widely used for making wine, beverage, meat, food, pastry, pickled vegetables (like olives, cucumber, pearl onions),
It is suitable for canned processing, food processing, fruit storage, which can regulate pH, extend product shelf-life, maintain food color and improve product quality.