[Extraction Source]: It is the fruit of orange tree, a citrus plant of Rutaceae. Orange is a kind of citrus fruit, which has been planted for a long time. It is a hybrid of Citrus maxima and Citrus reticulata. It originated in Southeast Asia. Orange is divided into sweet orange and sour orange, sour orange also known as jar orange, bitter taste, not edible, mostly used to make fruit juice, rarely fresh. Sweet orange is the main fresh food.
[Chemical Constituents] Orange powder contains hesperidin, citric acid, malic acid, succinic acid, sugar, pectin and vitamins. It also contains 0.1-0.3% volatile oil, and its main components are yak aldehyde, limonene and so on. It is also reported that the volatile oil contains more than 70 kinds of terpenoids, aldehydes, ketones, phenols, alcohols, esters, acids and coumarins.