Trachyspermum copticum
FAMILY: Apiaceae (Umbelliferae)
SYNONYMS: T. ammi, Ammi copticum, Carum ajowan, C. copticum, Ptychotis ajowan, ajuan, omum.
GENERAL DESCRIPTION: An annual herb with a greyish-brown seed, which resembles parsley in appearance.
DISTRIBUTION: Chiefly India, also Afghanistan, Egypt, the West Indies and the Seychelle Islands.
OTHER SPECIES: see Botanical Classification section.
HERBAL/FOLK TRADITION: The seeds are used extensively in curry powders and as a general household remedy for intestinal problems. The tincture, essential oil and ‘thymol’ are used in Indian medicine, particularly for cholera.
ACTIONS: Powerful antiseptic and germicide, carminative.
EXTRACTION: Essential oil by steam distillation from the seed.
CHARACTERISTICS: A yellow-orange or reddish liquid with a herbaceous-spicy medicinal odour, much like thyme.
PRINCIPAL CONSTITUENTS: Thymol, pinene, cymene, dipentene, terpinene and carvacrol, among others.
SAFETY DATA: Possible mucous membrane and dermal irritant. Due to high thymol level, should be avoided in pregnancy. Toxicity levels are unknown.
AROMATHERAPY/HOME: USE Not recommended.
OTHER USES: It has been used extensively for the isolation of thymol, but this has largely been replaced by synthetic thymol.... ajowan
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