从全球经济的角度来看，柑橘汁及其副产品的生产是一个重要的过程。世界上几乎所有的文化都在食用柑橘汁，尤其是橙汁。柑橘加工是将柑橘类水果的几种产品和副产品转化为商业产品的过程。柑橘汁产品有几种形式。全世界生产的最常见的形式是冷冻浓缩橙汁（FCOJ）。柑橘汁最方便的形式是现成的，包括另一种被称为非浓缩果汁的快速增长产品。其他重要的副产品，如冷榨柑橘精油，都是用柑橘生产的。

The manufacture of citrus juices and by-products is an important process from a global economic perspective. Citrus juice, especially orange, is consumed by practically every culture in the world. Citrus processing is the conversion and manufacture of several products and by-products of citrus fruit into commercial products. Citrus juice products are produced in several forms. The most common form produced worldwide is frozen concentrated orange juice (FCOJ). The most convenient form for citrus juice is ready to serve including another rapidly growing product known as not-from-concentrate. Other important by-products, such as essential cold pressed citrus oils, are manufacturing from citrus.