Two main species of buchu are commonly used for medicinal purposes: Agathosma betulina (round-leaf buchu) and Agathosma crenulata (oval-leaf buchu).
Medicinal uses:
General health tonic
Mild urinary antiseptic - treats mild cystitis and prostatitis
Appetite stimulant (in small doses)
Aids digestion
Antispasmodic
Diuretic - treats water retention
Stimulant - treats hangovers
Also used to treat colds and flu, coughs, rheumatism and gout
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Buchu is also a source of potassium, calcium, magnesium, manganese, nitrogen, iron, copper, zinc and boron.
How it is used:
Buchu can be taken orally in the form of an infusion or as a tincture in brandy ("boegoebrandewyn"). The leaves can also be chewed fresh or dried.
Interesting facts:
Buchu is indigenous to South Africa and is believed to have been the country's first export product. Currently, about 90% of our buchu is exported.
Medicinal use of buchu dates back to the Khoisan people. These plants have also traditionally been used as a fragrance in perfume.
Buchu has a distinctive blackcurrant flavour.
Caution:
As buchu has a mild laxative effect, the herb should not be taken in excess.
The use of A. betulina is generally preferred, as A. crenulata contains high levels of pulegone - a potentially toxic substance.
References:
- People's Plants - A Guide to Useful Plants of Southern Africa by Prof Ben-Erik van Wyk and Dr Nigel Gericke.
- www.buchusa.co.za
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