Manuka Essential Oil (Leptospermum scoparium)
Overview
Manuka may also be referred to as New Zealand Tea Tree Essential Oil, Leptospermum Scoparium Ct East Cape, Manuka East Cape. It is typically processed using steam or hydro distillation as a method for extracting oil from the leaves, twigs/branches.
Summary
Manuka oil comes from the Leptospermum scoparium tree. It has a sweet, woody scent. It has an antibacterial effect.

Essential Facts
- Aroma Description:
- Common Name(s): New Zealand Tea Tree Essential Oil, Leptospermum Scoparium Ct East Cape, Manuka East Cape
- Botanical Family: Myrtaceae
- Botanical Genus: Leptospermum
- Chemical Family: Ketones, Sesquiterpenes
- Major Compounds: Leptospermone, (E)-Calamenene, a-Pinene, Cadina-3,5-diene, Delta-Cadinene, a-Copaene, Favesone, Cadina-1,4-diene, B-Selinene, a-Selinene, Isoleptospermone
- Perfumery Note: Middle
- Consistency: Medium
- Strength of Initial Aroma: Medium
- Color: Clear to Pale Yellow
- Indigenous Country: New Zealand
- Cultivation: Wild Harvested
- Processing Methods: Steam or Hydro Distillation
- Part Typically Used: Leaves, Twigs/Branches
- Shelf Life: 6-8 years
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Wild Harvested
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Vegan
Essential Details
Benefits & Uses
Therapeutic Benefits of Manuka:
Analgesic
Anti-allergenic
Anti-bacterial
Anti-fungal
Anti-histamine
Anti-inflammatory
Anti-microbial
Anti-spasmodic
Anti-viral
Cicatrisant
Deodorant
Expectorant
Immuno-stimulant
Sedative
Cautions & Safety
Cautions when using Manuka:
Tisserand and Young do not indicate any special precautions when using Manuka Essential Oil. Reading Tisserand and Young's full profile is recommended. [Robert Tisserand and Rodney Young, Essential Oil Safety (Second Edition. United Kingdom: Churchill Livingstone Elsevier, 2014), 344-345.]
Safety Precautions for Manuka:
Do not take any oils internally and do not apply undiluted essential oils, absolutes, CO2s or other concentrated essences onto the skin without advanced essential oil knowledge or consultation from a qualified aromatherapy practitioner. If you are pregnant, epileptic, have liver damage, have cancer, or have any other medical problem, use oils only under the proper guidance of a qualified aromatherapy practitioner. Use extreme caution when using oils with children and be sure to first read the recommended dilution ratios for children. Consult a qualified aromatherapy practitioner before using oils with children, the elderly, if you have medical issues or are taking medications. For in-depth information on oil safety issues, read Essential Oil Safety by Robert Tisserand and Rodney Young.
Energetic, Spiritual, and Emotional Qualities
Energetics and Chakras Qualites of Manuka:
2nd Chakra - Relationships
3rd Chakra - Personal Power
4th Chakra - Unconditional Love
6th Chakra - Perspective
Balancing
Clarity
Creation Energy
Introspective
Protective
Purifying
Unconditional love
Articles
Manuka Articles or Publications:
- PubMed: Improving detection tools for emerald ash borer (Coleoptera: Buprestidae): comparison of multifunnel traps, prism traps, and lure types at varying population densities.
- PubMed: Herbicidal β-triketones are compartmentalized in leaves of Leptospermum species: localization by Raman microscopy and rapid screening.
- PubMed: Developing monitoring techniques for the invasive goldspotted oak borer (Coleoptera: Buprestidae) in California.
- PubMed: Comparison of trap types and colors for capturing emerald ash borer adults at different population densities.
- PubMed: Gallery productivity, emergence, and flight activity of the redbay ambrosia beetle (Coleoptera: Curculionidae: Scolytinae).
- PubMed: In vitro efficacy of the essential oil from Leptospermum scoparium (manuka) on antimicrobial susceptibility and biofilm formation in Staphylococcus pseudintermedius isolates from dogs.
- PubMed: Topical Administration of Manuka Oil Prevents UV-B Irradiation-Induced Cutaneous Photoaging in Mice.
- PubMed: Variation in manuka oil lure efficacy for capturing Xyleborus glabratus (Coleoptera: Curculionidae: Scolytinae), and cubeb oil as an alternative attractant.
- PubMed: The Medicine of the Manuka: an investigation of the usages and methods for utilization of honey derived from the pollen of Leptospermum scoparium in holistic nursing practice.
- PubMed: Xyleborus glabratus, X. affinis, and X. ferrugineus (Coleoptera: Curculionidae: Scolytinae): electroantennogram responses to host-based attractants and temporal patterns in host-seeking flight.
- PubMed: In planta mechanism of action of leptospermone: impact of its physico-chemical properties on uptake, translocation, and metabolism.
- PubMed: Effect of tree species and end seal on attractiveness and utility of cut bolts to the redbay ambrosia beetle and granulate ambrosia beetle (coleoptera: Curculionidae: Scolytinae).
- PubMed: Influence of trap color and host volatiles on capture of the emerald ash borer (Coleoptera: Buprestidae).
- PubMed: Efficacy of traps, lures, and repellents for Xylosandrus compactus (Coleoptera: Curculionidae) and other ambrosia beetles on Coffea arabica plantations and Acacia koa nurseries in Hawaii.
- PubMed: Effects of trap type, placement and ash distribution on emerald ash borer captures in a low density site.
- PubMed: Attraction of the redbay ambrosia beetle, Xyleborus glabratus, to avocado, lychee, and essential oil Lures.
- PubMed: Evaluation of double-decker traps for emerald ash borer (Coleoptera: Buprestidae).
- PubMed: Effect of trap type, trap position, time of year, and beetle density on captures of the redbay ambrosia beetle (Coleoptera: Curculionidae: Scolytinae).
- PubMed: [Mouthwash solutions with microencapsuled natural extracts: Efficiency for dental plaque and gingivitis].
- PubMed: Emerald ash borer (Coleoptera: Buprestidae) attraction to stressed or baited ash trees.
- PubMed: Evaluating the effects of the essential oils Leptospermum scoparium (manuka) and Kunzea ericoides (kanuka) on radiotherapy induced mucositis: a randomized, placebo controlled feasibility study.
- PubMed: Manuka oil and phoebe oil are attractive baits for Xyleborus glabratus (Coleoptera: Scolytinae), the vector of laurel wilt.
- PubMed: Comparative study on the cytotoxicity of different Myrtaceae essential oils on cultured vero and RC-37 cells.
- PubMed: Acaricidal activity of triketone analogues derived from Leptospermum scoparium oil against house-dust and stored-food mites.
- PubMed: Development of a host-based semiochemical lure for trapping emerald ash borer Agrilus planipennis (Coleoptera: Buprestidae).
- PubMed: p-Hydroxyphenylpyruvate dioxygenase is a herbicidal target site for beta-triketones from Leptospermum scoparium.
- PubMed: Virucidal activity of a beta-triketone-rich essential oil of Leptospermum scoparium (manuka oil) against HSV-1 and HSV-2 in cell culture.
- PubMed: Antimicrobial effects of essential oils in combination with chlorhexidine digluconate.
- PubMed: Essential oils from New Zealand manuka: triketone and other chemotypes of Leptospermum scoparium.
- PubMed: A comparison of the antibacterial efficacies of essential oils against oral pathogens.
- PubMed: In vitro evaluation of the antibacterial activity of beta-triketones admixed to Melaleuca oils.
- PubMed: Pharmacological and antimicrobial studies on different tea-tree oils (Melaleuca alternifolia, Leptospermum scoparium or Manuka and Kunzea ericoides or Kanuka), originating in Australia and New Zealand.
- PubMed: A comparative study of the in vitro antimicrobial activity of tea tree oils s.l. with special reference to the activity of beta-triketones.
- PubMed: Comparative study on the in vitro antibacterial activity of Australian tea tree oil, cajuput oil, niaouli oil, manuka oil, kanuka oil, and eucalyptus oil.
- PubMed: Chemical, physical and antimicrobial properties of essential oils of Leptospermum scoparium and Kunzea ericoides.
- PubMed: An investigation of the actions of the essential oils of Manuka (Leptospermum scoparium) and Kanuka (Kunzea ericoides), Myrtaceae on guinea-pig smooth muscle.