Изопентил изовалерат

Описание

Isoamyl isovalerate has a characteristic fruity odor and a sweet apple-like flavor. May be prepared by passing vapors of isoamyl alcohol and isovaleric aldehyde over a copper uranium based catalyst at 240 - 280°C in the presence of hydrogen.

Химические свойства

Isoamyl isovalerate has a fruity, sweet, apple, apricot, mango-characteristic fruity odor and sweet-apple-like flavor.

Вхождение

Reported found in the ether oil from leaves of Eucalyptus microcorys, angelica root oil and mastic gum leaf and fruit oils. Also reported in wine, oil of hop, olive oil, banana, tomato, peppermint and spearmint oil, beer, rum, whiskies, cider, sherry, plum, quince, cherimoya and lamb’s lettuce.

Использование

As apple essence for flavoring liqueurs and candy.

Методы производства

3-Methylbutyl 3-methylbutanoate can be produced by:
1) direct esterification of iso-Amyl alcohol with iso-Valerie acid under azeotropic conditions. 2) controlled oxidation of iso-Amyl alcohol with Potassium bichromate-Sulfuric acid mixture.

Подготовка

By passing vapors of isoamyl alcohol and isovaleric aldehyde over a copper–uranium-based catalyst at 240 to 280°C in the presence of hydrogen

Общее описание

Isoamyl isovalerate is an apple flavor volatile compound mainly found in apple and banana. It is used as a flavoring agent in chewing gums, candies and baked goods.