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|Section2= |Section3= }} 2-Heptanone, also known as methyl ''n''-amyl ketone, or Heptan-2-one, is a ketone with the molecular formula C7H14O. It is a colorless, water-white liquid with a banana-like, fruity odor. 2-Heptanone is listed by the FDA as a "food additive permitted for direct addition to food for human consumption" (21 CFR 172.515), and it occurs naturally in certain foods (e.g., beer, white bread, butter, various cheeses and potato chips).〔(Methyl (n-amyl) ketone ), Chemical Sampling Information, Occupational Safety & Health Administration〕 The mechanism of action of 2-heptanone as a pheromone at odorant receptors in rodents has been investigated. 2-Heptanone has also been found to excreted by honey bees when they bite small pests within the colony such as wax moth larvae and ''Varroa'' mites. Though it was historically believed to be an alarm pheromone, 2-heptanone has been shown to act as an anaesthetic on the pests, enabling the honey bee to stun the pest and eject it from the hive. The work could lead to the use of 2-Heptanone as an alternative local anaesthetic to lidocaine, which although well established for clinical use, has the disadvantage of provoking allergic reactions in some people. 2-Heptanone was one of the metabolites of ''n''-heptane found in the urine of employees exposed to heptane in shoe and tire factories. ==References== 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「2-Heptanone」の詳細全文を読む スポンサード リンク
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