Oil of clove

Clove (Syzygium aromaticum) essential oil in clear glass vial

Oil of clove, also known as clove oil, is an essential oil extracted from the clove plant, Syzygium aromaticum. It has the CAS number 8000-34-8.

Clove is often found in the aromatherapy section of health food stores, and is used in the flavoring of some medicines. Madagascar and Indonesia are the main producers of clove oil.[1]

Clove oil has been promoted as having a wide range of health effects, but there is insufficient medical evidence to support general claims for its use as a therapeutic.[2]

Types

There are three types of clove oil:[1]

Uses

Clove oil has been promoted as having a wide range of health effects, but there is insufficient medical evidence to support general claims for its use as a therapeutic.[2]

Toothache

Particularly in South Korea and India, eugenol, a phytochemical extracted from clove oil, is used to relieve toothache.[3] Applied to a cavity in a decayed tooth or tooth socket remaining after extraction, eugenol or clove oil can relieve toothache temporarily.[3] The potential mechanisms for how eugenol may inhibit dental pain are under active research.[4]

In the United States, the FDA considers eugenol ineffective for treating dental pain, and has downgraded clove oil as an analgesic due to insufficient evidence to rate its effectiveness.[2]

Use on fish

Clove oil is commonly used to anesthetize or euthanize laboratory or pet fish.[5][6]

Toxicity

Little is known of the safety of taking clove oil in large amounts.[2] Serious effects have been reported in young children, even with small doses.[2]

Regulation

In Germany, Commission E permits the sale and administration of clove oil as a medicinal herb.[7]

References

  1. 1 2 Lawless, J. (1995). The Illustrated Encyclopaedia of Essential Oils. ISBN 1-85230-661-0.
  2. 1 2 3 4 5 "Clove". MedlinePlus. NIH. Clove oil and eugenol, one of the chemicals it contains, have long been used topically for toothache, but the FDA has reclassified eugenol, downgrading its effectiveness rating. The FDA now believes there isn't enough evidence to rate eugenol as effective for toothache pain.
  3. 1 2 Chung G, Oh SB (2013). Eugenol as local anesthetic. Springer-Verlag Berlin; In: Natural Products - Phytochemistry, Botany and Metabolism of Alkaloids, Phenolics and Terpenes; Part XIV. pp. 4001–4015. ISBN 978-3-642-22144-6. doi:10.1007/978-3-642-22144-6_171.
  4. Seo H, Li HY, Perez-Reyes E, Lee JH (2013). "Effects of eugenol on T-type Ca2+ channel isoforms". J Pharmacol Exp Ther. 347 (2): 310–7. PMID 24014106. doi:10.1124/jpet.113.207936.
  5. Gary Kent Ostrander (2000). The Laboratory Fish. Elsevier. pp. 508–. ISBN 978-0-12-529650-2.
  6. Gary West; Darryl Heard; Nigel Caulkett (21 July 2014). Zoo Animal and Wildlife Immobilization and Anesthesia. Wiley. pp. 249–. ISBN 978-1-118-79286-5.
  7. Rister, R.; Klein, S.; Riggins, C. (1998-08-15). The Complete German Commission E Monographs: Therapeutic Guide to Herbal Medicines (1st ed.). American Botanical Council. p. 112. ISBN 978-0-9655555-0-0.
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