Distribution: Peppermint is not a distinct species but a sterile
hybrid between spearmint (M. spicata) and water mint (M.
aquatica) which must be propagated by rhizome cuttings.
Nevertheless this hybrid does occur naturally, presumably
originating in regions where the ranges of these two species
overlap, particularly in the Mediterranean region. References to
the use of mint species, possibly including peppermint, are well
documented among the ancient Greek and Roman civilizations.
Peppermint has now become naturalized throughout the
temperate regions of the northern hemisphere and is
commercially grown worldwide.
Extraction: Peppermint essential oil is prepared by steam
distillation of the flowering herb.
Indications: Peppermint essential oil reduces pain,
inflammation, and spasms, and stimulates local blood
circulation. It is used to treat muscular aches and pains,
strains, and sprains. It is also beneficial for acute and chronic
nerve pain and inflammation such as sciatica. Like eucalyptus,
peppermint also has a mild clearing and stimulating effect on
the mind which helps to reduce fatigue.
Contraindications: Not recommended for individuals with
cardiac fibrillation or epilepsy, or for pregnant or nursing women
and children under the age of three. Peppermint essential oil is
also contraindicated for anyone with a deficiency of the liver
enzyme glucose-6-phosphate dehydrogenase (G6PD). If
undiagnosed, this condition may be present in anyone who has
had abnormal reactions to one or more of the following types of
drugs: antimalarials, sulphonamides, chloramphenicol,
streptomycin and/or acetyl salicylic acid (ASA).
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