Edible Parts: Fruit  Root
Edible Uses: Condiment  Sweetener

Fruit - raw or as a flavouring[299]. The red pulp is eaten as a snack, especially by children, or is sometimes used to sweeten maize porridge[299 ]. The red or mottled grey fruit is a globose berry 35 - 50mm in diameter, containing many seeds[299 ]. The protein brazzein, originally extracted from the fruit pulp, [299 ]. An extremely sweet crude protein, named pentadin, has been isolated from the fruits; in the 1990's the purified protein was isolated and called brazzein. Its temporal profile closely resembles that of sucrose, but develops somewhat more slowly and lasts longer. It is very thermo-stable and its sweetness profile does not diminish after incubation at 100°c for 4 hours. It is also stable over a wide pH range and is the most water-soluble protein sweetener discovered so far. Brazzein is reported to be between 500 and 2,000 times sweeter than sucrose depending on the method of measuring. It is being developed into a low-calorie sweetener for the food industry - however, as of early 2008, brazzein had not yet been granted GRAS (generally recognized as safe) status in the United States nor had it been granted permission for use in foods in the European Union[299 ]. The root is reportedly occasionally eaten as a vegetable[299 ]. The powdered root bark is said to be an ingredient of the cheap but dangerous 'African whiskey in sachets'[299 ].

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Abortifacient  Anthelmintic  Antibacterial  Antihaemorrhoidal  Antirheumatic  Antiseptic  Aphrodisiac  Cathartic  
Dysentery  Emmenagogue  Epilepsy  Laxative  Malaria  Parasiticide  Purgative  
Skin  Vesicant

The roots, which taste like horseradish, are used throughout central Africa to treat a wide range of conditions, but particularly to remedy several problems related to giving birth and also to deal with a range of skin problems[299 ]. Phytochemical analyses of the root have led to the isolation of urea derivatives including sulphur-containing compounds[299 ]. Carbamates obtained from the roots have shown antibacterial properties in vitro against Staphylococcus aureus, Escherichia coli, Klebsiella pneumoniae and Pseudomonas aeruginosa, and against the yeast Candida albicans[299 ]. The root is also rich in glucosinolates and is believed to contribute to the revitalizing of collagen and to restore skin tonicity[299 ]. Crude extracts of tubers have revealed moderately strong antiplasmodial activity in vitro, but were not as effective as chloroquine[299 ]. An aqueous extract of the root given to rats increased the weight of their testes and prostate as well as their testosterone levels[299 ] The roots are antibacterial, aphrodisiac, cathartic, emmenagogue, laxative, purgative. They are widely used by women to assist in the birth process and also to deal with problems related to the uro-genital system. A root decoction can stimulate uterine contractions and has been used to induce abortion - it should generally be avoided by pregnant women until the later stages of the pregnancy[299 ]. A root decoction is given orally, or applied as an enema, to facilitate the expulsion of the placenta, and is also said to prevent haemorrhages after parturition[299 ]. The root bark is one of more than 20 constituents of the yellow, slimy 'nkui' sauce made by the Bamileke people of Cameroon; this sauce is given to mothers who have just given birth in order to stimulate milk production. A root decoction is given orally or applied as an enema to help in reducing pain caused by hernia[299 ]. The crushed root or root bark is applied, or an infusion drunk, to soothe chest pain, toothache, lumbago, rheumatism and haemorrhoids. The macerated roots, either alone or mixed with other ingredients, are taken orally or applied as an enema against malaria. Capsicum pepper is added to macerated roots to prepare a drink that soothes cough. A decoction of the bark, combined with the bark and roots of other plants, is taken as a treatment against stiffness or weakness of the limbs and back. The roots and tubers are also commonly used in the treatment of intestinal problems such as dysentery, colic, urethritis, gonorrhoea and other uro-genital infections[299 ]. A decoction of the tuber, as well as the juice from macerated roots, is combined with pounded leaves and drunk as an anthelmintic. A root decoction is taken to treat pneumonia and serious bronchitis[299 ]. The fresh root is pulped, or the dry root pounded and mixed with palm oil, to make an ointment for topical application to prevent infections of the navel in newborn babies. Because the plant is vesicant, the duration of this treatment must be limited to avoid blistering[299 ]. A powder of dried root bark is applied to scarifications to treat intercostal and abdominal pains. The crushed root is used to treat several skin infections. The pulped roots are applied externally against itch and as an antiseptic, and to treat wounds, sores, ulcers and furuncles[299 ]. The roots are applied to the abdomen to treat oedema[299 ]. A root preparation, combined with the leaves of Kalanchoe crenata, is used as nose drops to stop epileptic crises[299 ]. A leaf decoction is used to wash the skin against scabies[299 ].

Parasiticide  Repellent  Teeth

Other Uses The roots smell of aspirin and are hung over the doorway or are placed inside the roof to keep away snakes[299 ].

Special Uses