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Lemon balm (Australian)

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Eucalyptus staigeriana

Lemon-scented ironbark

Myrtaceae · Lá · Leaves · Steam-distilled


Lemon balm (Australian) essential oil (Eucalyptus staigeriana) — botanical illustration
Eucalyptus staigeriana

Safety

Skin sensitization low · Drug interaction · Teratogenicity

Low risk of skin sensitization. Citral content around 17.6 percent.

Drug interactions through CYP2B6 inhibition by citral and geraniol. Use orally with caution alongside drugs metabolized by this enzyme.

Citral content sets a maximum daily oral dose in pregnancy at 238 mg.

Store properly to prevent (+)-limonene oxidation.


Usage guidelines

Maximum dermal level
3.4 percent
Max daily oral in pregnancy
238 mg
Oral caution
Drugs metabolized by CYP2B6
Storage
Dark, sealed, refrigerated; add antioxidant

Chemistry

Volatile constituents
(+)-Limonene + β-phellandrene30.5 %
Geranial9.9 %
Neral7.7 %
α-Phellandrene7.1 %
Terpinolene6.6 %
Geranyl acetate4.0 %
Geraniol3.7 %
1,8-Cineole3.5 %
Methyl geranate3.4 %
α-Pinene2.5 %

Botanical source

Eucalyptus staigeriana is an Australian eucalypt with distinctly citrus-scented leaves. The name 'Australian lemon balm' reflects its resemblance to true lemon balm (Melissa officinalis).

Botanically distinct from true Melissa, this is a Eucalyptus species, not Melissa.

Production is mainly in Queensland, Australia. Small scale.

Family Myrtaceae, same family as eucalyptus and tea tree.


Notes

Not a substitute for true Melissa (Melissa officinalis) in aromatherapy, chemistry and profile differ markedly despite similar aroma.

True Melissa will be covered in letter M.