Page 26 - Pharmd general phytochemistry I-Final2024_LEUCTERS

1- Acyclic sesquiterpene hydrocarbons:

α-Farnesene

Source:
α-Farnesene is found in the coat of apple, it is
responsible for the characteristic green apple odor.
2- Monocyclic sesquiterpene hydrocarbons:

Zingiberene

Source: Oil of ginger.
� The health benefits of ginger root oil can be
attributed to its digestive, carminative, expectorant, antiseptic and
anti-inflammatory properties.
� Ginger oil is used in the treatment of rheumatism, nausea, travel
and sea sickness, congestion, coughs, sore throat and colic.

3- Bicyclic sesquiterpene hydrocarbons:
A- Derivatives of Naphthalene: Ex. Cadinene

B- Derivatives of azulene
They have Azulene nucleus C10 H8

Azulene is a non - benzenoid aromatic compound. The natural azulenes
are colored which vary in color from blue to violet or even green.

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