Bitter orange essential oil has a dry citrus scent with bitter top notes. It is still used to flavour a wide range of consumables including confectionaries, ice cream, chewing gum, soft drinks and liqueurs. Until recently it was used extensively by the perfumery industry in perfumes and colognes. Unlike most other fruits, oranges do not continue to mature after picking, therefore harvesting must be done at precisely the right time if maximum oil levels are to be achieved.