BLUE ESSENTIAL OILS & THEIR AZULENE DERIVATIVES
Azulene is a natural compound found in some plants and some invertebrates. Its name is derived form the Spanish 'azul' meaning dark blue.
Two of its derivatives are found in essential oils commonly used in Aromatherapy.
The deep blue compound, Chamazulene has a long history of being an effective anti-inflammatory. Although it is not necessarily present in very high degree in any of the essential oils, it so rich in colour that it transfers its dark blue tones as if it was dominating the whole chemical make up of the plant. It is present in German Chamomile, Yarrow, Wormwood, Blue Tansy and to a lesser extent in Roman Chamomile.
Chamazulene does not exist in the fresh plant materials. It is biosynthetised through the process of steam-distillation from the sesquiterpene matricarin which is crystalline in colour. Its properties were first discovered and studied by the Germans and in France by Caujolle in 1950s as an effective anti-inflammatory agent...
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