Sesquiterpenols in Essential Oils

Oxygenated Compounds → Alcohols → Sesquiterpenols

When a hydroxyl group, which consists of one oxygen atom and one hydrogen atom (OH), attaches to a carbon in a chain by replacing a hydrogen molecule, it creates an alcohol. This can be a monoterpenic alcohol, sesquiterpenic alcohol, or diterpenic alcohol, depending on whether the carbon chain has two, three, or four isoprene units. The resulting alcohol's name will always end with -ol, such as geraniol.

Formula: 15 C

Ending: -ol

Therapeutic properties:

Physical effects: Sesquiterpenols act as gradual yet long-lasting immunomodulators. They enhance the body's natural defenses in a general manner and help balance hormones. Additionally, they promote vein health, support skin regeneration, provide excellent skin care, and are beneficial for chronic skin conditions.

Psychic Effect: Sesquiterpenols are a diverse group, but they share a common trait: a powerful influence on the pituitary gland and the hormonal system. They help balance the autonomic nervous system, allowing the sympathetic and parasympathetic systems to function more harmoniously. Additionally, they enhance resilience to psychological stress and help stabilize emotions, minimizing feelings of over-excitement, anxiety, and aggression. In a gentle way, they foster mental equilibrium and help regulate sex hormones, which is further supported by their pheromone-like properties.

Structure:

A sesquiterpenol is a sesquiterpene with an attached alcohol group.

Exemples:

Acyclic: Farnesol, Nerolidol
Monocyclic: Bisabolol, Zingiberenol
Bicyclic: Guaiol, Santalol, Viridiflorol
Tricyclic: Acorenol, Khusimol, Patchoulol

Properties of Sesquiterpenols

Bisabolol is the most potent of the sesquiterpene alcohols. It has anti-inflammatory, antibacterial, antifungal, and ulcer-protective properties. Additionally, it acts as a fixative and is found in Chamomile oil.

Farnesol has a unique fragrance reminiscent of lily of the valley. This compound is known for its anti-inflammatory properties, bacteriostatic effects, and skin-conditioning qualities. It is beneficial for mucous membranes and helps prevent bacterial decomposition of sweat.

Santalol is present in significant amounts in sandalwood oil. It is occasionally used for urinary tract infections, but may act through the immune system.

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