or, on a much larger scale, industrially. Brazil is the largest producer of orange juice in the world, followed by the United States, where it is one of the commodities traded on the New York Board of Trade. Frozen orange juice concentrate is made from freshly squeezed and filtered orange juice. Sweet orange oil is a by-product of the juice industry produced by pressing the peel. It is used for flavoring food and drinks and also in the perfume industry and aromatherapy for its fragrance. Sweet orange oil consists of approximately 90% D-limonene, a solvent used in various household chemicals, such as wood conditioners for furniture and—along with other citrus oils—detergents and hand cleansers. It is an efficient cleaning agent with a pleasant smell, promoted for being environmentally friendly and therefore, preferable to petrochemicals. D-limonene is, however, classified as irritating to the skin and as very toxic to aquatic life in different countries. Marmalade preserves are traditionally made with Seville oranges, which are less sweet. All parts of the fruit are used: the pith and pips (separated and placed in a muslin bag) are boiled in a mixture of juice, slivered peel, sliced-up flesh, sugar, and water to extract their pectin, which helps the conserve to set. See also Eliza Tibbets (for the history of orange groves in California, United States) List of citrus fruits List of culinary fruits References External links Citrus sinensis List of Chemicals (Dr. Duke's Phytochemical and Ethnobotanical Databases), USDA, Agricultural Research Service. Oranges: Safe Methods to Store, Preserve, and Enjoy. (2006). University of California Agriculture and Natural Resources. Accessed May 23, 2014. Articles containing video clips Cocktail garnishes Crops originating from China Fruits originating in Asia Symbols of California Symbols of Florida Tropical agriculture