Chem 243a - Isolation of Limonene from Citrus Fruits

Chem 243a - Isolation of Limonene from Citrus Fruits - 10A:...

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Unformatted text preview: 10A: Isolation of Limonene from Citrus Fruits Antonio Alarcon Chem 243a 11/07/07 I. Abstract II. Introduction In this lab, we were to use the process of steam distillation to isolate limonene from citrus fruit. Limonene can be found in the form of two distinct enantiomers, R (+)-limonene and S(-)-limonene. Consisting entierly of carbon and hydrogen, limonene is considered to be monoterpene oil commonly used in numerous industrial applications ranging from flavoring to fragrance application. It is important to note that steam distillation is not a true purification method, but rather a method of transfer (volatiles to distillate). Additionally, terpenes, like many other compounds, have high boliling points. For such compounds it is often better to lower the pressure at which such compounds are boiled rather than increasing the temperature — if exposed to extreme temperatures, there is a posibillity that the limonene within the citrus zest could be decomposed into isoprene units (Wikipedia,...
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This note was uploaded on 04/03/2008 for the course CHEM 243A taught by Professor Bharadwaj during the Fall '08 term at University of Arizona- Tucson.

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Chem 243a - Isolation of Limonene from Citrus Fruits - 10A:...

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