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Chocolate is a typically sweet, usually brown, food preparation of Theobroma cacao seeds, roasted and ground, often flavored, as with vanilla. It is made in the form of a liquid, paste or in a block or used as a flavoring ingredient in other sweet foods. Cacao has been cultivated by many cultures for at least three millennia in Mexico and Central America. The earliest evidence of use traces to the Mokaya, with evidence of chocolate beverages dating back to 1900 BC. Several types of chocolate can be distinguished. Pure, unsweetened chocolate contains primarily cocoa solids and cocoa butter in varying proportions. Much of the chocolate consumed today is in the form of sweet chocolate, combining chocolate with sugar. Milk chocolate is sweet chocolate that additionally contains milk powder or condensed milk. In the U.K. and Ireland, milk chocolate must contain a minimum of 20% total dry cocoa solids; in the rest of the European Union, the minimum is 25%. "White chocolate" contains cocoa butter, sugar, and milk, but no cocoa solids. Chocolate contains alkaloids such as theobromine and phenethylamine, which have some physiological effects in humans and has been linked to serotonin levels in the brain, but the presence of theobromine renders it toxic to some animals, such as dogs and cats. Dark chocolate has been promoted for unproven health benefits, as it seems to possess substantial amounts of antioxidants that reduce the formation of free radicals. White chocolate, although similar in texture to that of milk and dark chocolate, does not contain any cocoa solids. Because of this, many countries do not consider white chocolate as chocolate at all. Although white chocolate was first introduced by Hebert Candies in 1955, Mars, Incorporated, was the first to produce it in the United States. Because it does not contain any cocoa solids, white chocolate does not contain any theobromine, so it can be consumed by animals. Dark chocolate is produced by adding fat and sugar to the cacao mixture. The U.S. Food and Drug Administration calls this "sweet chocolate", and requires a 15% concentration of chocolate liquor. European rules specify a minimum of 35% cocoa solids. Dark chocolate, with its high cocoa content, is a rich source of epicatechin and gallic acid, which are thought to possess cardioprotective properties. Dark chocolate has also been said to reduce the possibility of a heart attack when consumed regularly in small amounts. Semisweet chocolate is a dark chocolate with a low sugar content. Bittersweet chocolate is chocolate liquor to which some sugar (typically a third), more cocoa butter, vanilla, and sometimes lecithin have been added. It has less sugar and more liquor than semisweet chocolate, but the two are interchangeable in baking. Unsweetened chocolate is pure chocolate liquor, also known as bitter or baking chocolate. It is unadulterated chocolate: the pure, ground, roasted chocolate beans impart a strong, deep chocolate flavor. Raw chocolate, often referred to as raw cacao, is always dark and a minimum of 75% cacao. Because the act of processing results in the loss of certain vitamins and minerals (such as magnesium), some consider raw cacao to be a more nutritious form of chocolate. Chocolate may have whitish spots on the dark chocolate part, called chocolate bloom; it is an indication that sugar and/or fat has separated due to poor storage. It is not toxic. |