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Part 5: Oxygenated Compounds—Esters

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Esters are formed when an esterification reaction occurs between an alcohol and a carboxylic acid functional group. An ester is essentially a combination of these two functional groups and incudes a carbon atom with a double bond to an oxygen molecule, a single bond to an oxygen molecule, and a single bond to another carbon molecule (usually written -COO- or -COOC-). Esters can be identified from the proper chemical name, which usually ends with the suffix “-yl, ” “-ate, ” or “-ester.” Common esters found in essential oils are methyl salicylate, linalyl acetate, and neryl acetate.

Main Health Effects:

  • Calming, relaxing, soothing, and balancing effects on mood1
  • Reduces the appearance of skin blemishes2
  • Provides a soothing and warming sensation when applied topically3
Essential OilMain Ester Constituent(s)Amount
Birch3methyl salicylateApproximately 99%
Wintergreen 1,2,3methyl salicylateApproximately 99%
Roman Chamomile 1,2isobutyl acetate, isoamyl angelate,Approximately 75%
Clary Sage 1linalyl acetateApproximately 65%
Lavender 1,2linalyl acetateApproximately 50%
Helichrysum 1,2neryl acetateApproximately 40%
Bergamot 1,2linalyl formateApproximately 40%
Jasmine 1,2benzyl acetate, benzyl benzoateApproximately 40%

 

 

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