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Cajeput oil (Melaleuca quinquenervia)

Synonyms/Common Names/Related Substances:

  • Alloaromadendrene, alpha-terpineol, betulinaldehyde, betulinic acid, cajeput, cajeput essential oil, castalin, citroside A, dendra, ellagic acid, flavonoids, gallic acid, grandinin, ledene, ledol, linalool, Melaleuca, Melaleuca cajuputi, Melaleuca decora, Melaleuca leaves, Melaleuca leucadendra (L), Melaleuca leucadendron, Melaleuca leucadendron leaf, Melaleuca pollen, Melaleuca quinquenervia leaves, Melaleuca quinquenervia tree, Melaleuca tree, Melaleuca tree pollen, Myrtaceae (family), niaouli, oxyresveratrol, palustrol, paper bark tree, phytol, piceatannol, platanic acid, polyphenols, punk tree, roseoside, squalene, terpinen-4-ol, ursolic acid, Vietamese cajeput oil, viridiflorol.
  • Note: Cajeput oil should not be confused with tea tree oil, although the plants are part of the same genus. According to the U.S. Department of Agriculture, Melaleuca leucadendron and Melaleuca quinquenervia refer to the same plant, and this monograph may use these terms interchangeably.

Clinical Bottom Line/Effectiveness

Brief Background:

  • According to the U.S. Department of Agriculture, Melaleuca leucadendron and Melaleuca quinquenervia refer to the same plant.
  • Cajeput (Melaleuca quinquenervia leucadendron, Melaleuca leucadendron) is a tree native to Australia. Cajeput oil is extracted from the leaves and twigs of the plant. According to an animal study, cajeput leaves show hypoglycemic properties (1), and in vitro study indicates that they may be useful for hypertension (2), herpes simplex (3), and Helicobacter pylori inhibition (4). However, currently there is insufficient available evidence in humans to support the use of cajeput oil for any indication.

Dosing/Toxicology

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Precautions/Contraindications

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Interactions

Most herbs and supplements have not been thoroughly tested for interactions with other herbs, supplements, drugs, or foods. The interactions listed below are based on reports in scientific publications, laboratory experiments, or traditional use. You should always read product labels. If you have a medical condition, or are taking other drugs, herbs, or supplements, you should speak with a qualified healthcare provider before starting a new therapy.

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Mechanism of Action

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History

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Evidence Table

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Evidence Discussion

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Products Studied

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Author Information

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References

Natural Standard developed the above evidence-based information based on a thorough systematic review of the available scientific articles. For comprehensive information about alternative and complementary therapies on the professional level, go to www.naturalstandard.com. Selected references are listed below.

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The information in this monograph is intended for informational purposes only, and is meant to help users better understand health concerns. Information is based on review of scientific research data, historical practice patterns, and clinical experience. This information should not be interpreted as specific medical advice. Users should consult with a qualified healthcare provider for specific questions regarding therapies, diagnosis and/or health conditions, prior to making therapeutic decisions.