Chilled juices, extracted and packed in plastic containers or cartons, may or may not be pasteurized. Frozen concentrates are pasteurized juices whose water content has been evaporated before the solids are frozen. Apple or white grape juices are commonly used bases that blend without overshadowing other juices. Canned concentrates made from evaporated pasteurized juices like their frozen counterparts, do not require refrigeration until they are reconstituted. Fruit drinks, beverages, spritzers, and cocktails consist of fruit juice, sweeteners, and often artificial flavors.
Vegetable juices are lower in calories than fruit juices.
The most widely available kinds are tomato juice, mixed vegetable juices, and carrot juice. Wheatgrass juice is sold as a tonic in specialty stores. Percentage of juice content, determined scientifically by minimum soluble solid content, must be listed on the label. Modification of juices and the exact nature of the modification must be listed on the ingredients panel. A product's ingredients panel must list multiple juices in descending order, and its name must describe juices present.