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| Section2 = }} Maltol is a naturally occurring organic compound that is used primarily as a flavor enhancer. It is found in the bark of larch tree, in pine needles, and in roasted malt (from which it gets its name). It is a white crystalline powder that is soluble in hot water, chloroform, and other polar solvents. Because it has the odor of cotton candy and caramel, maltol is used to impart a sweet aroma to fragrances. Maltol's sweetness adds to the odor of freshly baked bread, and is used as a flavor enhancer (INS Number 636) in breads and cakes. It is not registered as a food additive in the EU and thus has no E-number.〔Official Journal of the European Union, Volume 54, November 12, 2011〕 Instead, maltol is registered as a flavor component in the EU.〔Official Journal of the European Union, Volume 55, October 2, 2012〕 Maltol, like related 3-hydroxy-4-pyrones such as kojic acid, binds to hard metal centers such as Fe3+, Ga3+, Al3+, and VO2+. Related to this property, maltol has been reported to greatly increase aluminum uptake in the body and to increase the oral bioavailability of gallium and iron. ==Derivatives== Some synthetic derivatives of maltol, developed at the University of Urbino, showed limited in vitro antiproliferative activity towards cancer cells lines, perhaps inducing apoptosis in these cells See also * Ethyl maltol * Gallium maltolate * 5-Hydroxymaltol * Isomaltol 抄文引用元・出典: フリー百科事典『 ウィキペディア（Wikipedia）』 ■ウィキペディアで「Maltol」の詳細全文を読む スポンサード リンク
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