Steam distillation
The smell of bananas comes from the ester 3-methylbutyl acetate. Ethyl acetate has a smell similar to that of bananas and is often used in banana fragrances as well as being naturally found in some wines. The ester 3-methylbutyl acetate (isopentyl acetate) is an artificial banana scent/flavor. While we perceive the smell of this compound as the smell of bananas, the chemical is not responsible for the scent/flavor of real bananas. Banana candies (runts for example) use 3-methylbutyl acetate as the artificial flavoring and any true banana lover could tell you that the candies taste different than the fruit.
Isoamyl acetate or 3-methyl-1-butyl ethanoate is often called essence of pear or banana. It is naturally occurring in both of these fruits as well as some others. It has a highly characteristic smell and is used as a fragrance in soaps and other household products. It is sometimes used to cover up undesirable odors from a product. It has been known to be used as a gas mask test chemical due to its high odor even in low concentrations and low toxicity. It is also a pheromone that bees release when in peril that attracts other bees to the area and provokes them to attack.
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Isoamyl acetate and n-butyl acetate are two of the more common esters which give a banana flavor
Banana oil is used as flavouring additive for foods; now is an industrial product (isoamyl acetate).
The flavour of a banana comes largely from Isoamyl Acetate, but the banana itself does not have a chemical formula.
CH3COO(CH2)2CH(CH3)2
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Isoamyl Acetate
banana oil n. 1. A liquid mixture of amyl acetate and usually nitrocellulose, having a banana-like odor and used as a solvent or flavoring agent. Source: http://www.answers.com/banana+oil?gwp=11&ver=2.3.0.609&method=3
The smell of bananas comes from the ester 3-methylbutyl acetate. Ethyl acetate has a smell similar to that of bananas and is often used in banana fragrances as well as being naturally found in some wines. The ester 3-methylbutyl acetate (isopentyl acetate) is an artificial banana scent/flavor. While we perceive the smell of this compound as the smell of bananas, the chemical is not responsible for the scent/flavor of real bananas. Banana candies (runts for example) use 3-methylbutyl acetate as the artificial flavoring and any true banana lover could tell you that the candies taste different than the fruit.
Isoamyl acetate or 3-methyl-1-butyl ethanoate is often called essence of pear or banana. It is naturally occurring in both of these fruits as well as some others. It has a highly characteristic smell and is used as a fragrance in soaps and other household products. It is sometimes used to cover up undesirable odors from a product. It has been known to be used as a gas mask test chemical due to its high odor even in low concentrations and low toxicity. It is also a pheromone that bees release when in peril that attracts other bees to the area and provokes them to attack.
Often these are esters. One such is isoamyl acetate. Please see the link.
I don't know, but I'm doing a practicle on it tomorrow. I'm wondering the same thing at the moment.
Liquid-Liquid extraction with ethyl acetate