The Healing Leaf of African Traditional Medicine

Description

Aspilia africana, a member of the Asteraceae family, is a semi-woody herb widely distributed across tropical Africa, often found in grasslands, woodlands, and as a weed in cultivated areas. Known for its rapid growth and polymorphic nature with at least four recognized varieties, this plant has been utilized in traditional African medicine for centuries, particularly for its anti-inflammatory and wound-healing properties.

 Other Names

  • English: Wild Sunflower, Haemorrhage Plant, Healing Leaf, Blood Stopper
  • Igbo: Ọdịngị, Ọdịngị-ọnụ, Ọjị-ọfịa
  • Yoruba: Ọlụ́lụ́, Yunyun yọn
  • Hausa: Kankan-zaki, Majanjari
  • French (Benin, Togo): Herbe de soldat (soldier’s herb)
  • Ghana: Akeyenkyenen (Akan)

Health Benefits

Aspilia africana is a powerhouse of phytochemicals, including tannins, saponins, flavonoids, alkaloids, terpenoids, sterols, phenolic compounds, and glycosides which contribute to its wide range of therapeutic applications. Its uses in traditional medicine are extensive and well-documented.

  • Wound Healing and Haemostatic (Blood-Stopping) Action: This is its most famous use. The fresh leaves are crushed and applied directly to fresh wounds, cuts, and bruises. The hairs on the leaf act as a natural bandage, while its astringent properties (from tannins) cause blood vessels to constrict, effectively stopping bleeding, promoting rapid coagulation, and promoting tissue regeneration.
  • Anti-inflammatory and Analgesic Properties: Extracts from the plant are used to reduce inflammation and relieve pain associated with conditions like arthritis, rheumatism, headaches, and toothaches. It is also helps for the treatment of conditions like osteoporosis, stomach aches, diarrhea, measles, malaria, tuberculosis, cough, gastric ulcers, sores, diabetes, ear infections, febrile headaches, gonorrhea, and as a contraceptive.
  • Antimicrobial and Antiseptic Effects: Studies have confirmed that A. africana possesses broad-spectrum antimicrobial activity against various bacteria and fungi, validating its use in preventing wound infections and treating internal infections like gonorrhea.
  • Gastrointestinal Aid: Decoctions of the leaves are used to treat a range of digestive issues, including stomach ulcers, diarrhea, dysentery, and constipation. It is also used as a vermifuge to expel intestinal worms.
  • Women’s Health: It is traditionally used to manage menstrual pain, induce menstruation, and aid in childbirth by facilitating the expulsion of the placenta.
  • Ophthalmic Care: The leaf sap or a mild decoction is used as an eye wash to treat conjunctivitis (“pink eye”) and other eye infections.
  • Antioxidant properties: Helps protect the body against oxidative stress.
  • Respiratory health: Used to treat cough, sore throat, and related ailments.
  • Anti-Poison: The plant’s sap from flowers has been applied to treat scorpion stings.

Other Benefits

Beyond its direct medicinal applications, Aspilia africana offers other values:

  • Ecological Role: As a fast-growing pioneer species, it plays a role in soil conservation and is a source of nectar for pollinators.
  • Fodder: It is sometimes used as forage for livestock due to its high crude protein content.
  • Cultural Significance: The plant holds significant cultural value in many communities, where its use is a passed-down tradition for immediate first-aid treatment. It is often used in traditional rituals and ceremonies for cleansing and protection.

How It Is Used

Different parts of the plant, especially the leaves and flowers, are used in traditional medicine:

  • Topical Poultice: This is the most common method of use.
    • Fresh leaves are warmed slightly over a fire or rubbed between the palms to soften them, then crushed and applied directly to wounds, boils, or inflamed joints. The leaf’s rough surface helps it adhere to the skin.
    • Fresh, bruised leaves and flowers are applied directly to cuts to stop bleeding, even from severe injuries like severed arteries, by promoting vaso-constriction and drawing up exudations.
  • Decoction/Tea:
    • The leaves, roots, or whole plant are boiled in water. This liquid is drunk to treat internal ailments like fever, malaria, pulmonary hemorrhage, tuberculosis, feverish headaches, stomach ulcers, or gonorrhea. It is often mixed with white clay or salt.
    • Women may take leaf infusions to assist in childbirth, increase milk flow, or as a post-childbirth tonic.
  • Infusion (Tea): Leaves are steeped in hot water to make a less concentrated tea for digestive issues or as a general tonic.
  • Eye Wash: A very mild, cool decoction or crushed leaf juice (highly diluted with clean water) is used to wash sore eyes and for eye issues like corneal opacities or sun-blindness.
  • Inhalation: Steam from a boiling decoction is sometimes inhaled to relieve respiratory congestion.
  • Powdered form: Dried leaves are ground into powder and sprinkled on wounds or mixed in water for internal use.

 Side Effects and Caution

While Aspilia africana is generally classified as low-toxicity, caution is advised, especially with prolonged use or high doses.

  • Pregnancy: Its use is strongly contraindicated during pregnancy. Due to its traditional use to induce menstruation and facilitate childbirth, it has uterotonic properties that could potentially trigger a miscarriage or preterm labor.
  • Dosage and Toxicity: Internal consumption of strong decoctions should be moderate. Excessive intake may lead to gastrointestinal irritation or constipation due to the high tannin content. Toxicity is dose-dependent, with LD50 values indicating relative safety at lower doses but risks at higher concentrations, particularly from methanolic or chloroform extracts. High doses may lead to anti-fertility effects, preventing implantation and causing uterus contractions that could result in abortion.
  • Topical Application: While generally safe, applying a poultice to a deep or severely infected wound without proper medical care can trap infection. It is best for minor cuts and abrasions.
  • Drug Interactions: There is a lack of scientific data on its interactions with pharmaceutical drugs. Caution is advised for individuals on blood-thinning medications (anticoagulants), as the plant’s effect on blood clotting is potent.
  • Allergy: As with any plant, some individuals may experience allergic reactions or skin irritation.
  • Professional Guidance: For serious health conditions, it is essential to seek advice from a healthcare professional and not rely solely on self-medication.

Potential side effects could include respiratory disorders, nervousness, and piloerection in animal studies.

References

  • Abere, T. A., and P. B. Onyibe. Pharmacognostic and Phytochemical Evaluation of Aspilia africana (Asteraceae) Leaves. Tropical Journal of Pharmaceutical Research, vol. 13, no. 5, 2014, pp. 737-42.
  • Adedapo, A. A., et al. Toxicological Evaluation of the Aqueous Extract of the Leaves of Aspilia africana in Rats. Journal of Medicinal Food, vol. 7, no. 3, 2004, pp. 342–344.
  • Akinmoladun, F. O., et al. Aspilia africana (Pers.) C.D. Adams: A Review of Its Ethnomedicinal Uses, Phytochemistry, and Pharmacological Activities. Journal of Ethnopharmacology, vol. 227, 2018, pp. 16-32.
  • Aspilia africana. Wikipedia, Wikimedia Foundation, 2023, en.wikipedia.org/wiki/Aspilia_africana.
  • Aspilia africana. Useful Tropical Plants, The Ferns, tropical.theferns.info/viewtropical.php?id=Aspilia+africana.
  • Eweka, A. O., and F. O. Eweka. Toxic Effects of Methanolic Extract of Aspilia africana Leaf on the Estrous Cycle and Uterine Tissues of Wistar Rats. International Journal of Morphology, vol. 25, no. 3, 2007, pp. 657-663, scielo.cl/pdf/ijmorphol/v25n3/art23.pdf.
  • Herbs & People. Aspilia Africana: The Unique Anti-Haemorrhage Plant. Southworld, 2023, southworld.net/herbs-people-aspilia-africana-the-unique-anti-haemorrhage-plant/.
  • Ijeh, I. I., et al. Phytochemical and Antimicrobial Evaluation of Extracts of Aspilia africana Leaves. Journal of Medicinal Plants Research, vol. 5, no. 12, 2011, pp. 2495-98.
  • Iwu, M. M. Handbook of African Medicinal Plants. 2nd ed., CRC Press, 2014.
  • Musila, Moses Njuthe, et al. Ethnopharmacological Potential of Aspilia africana for the Treatment of Inflammatory Diseases. PMC, National Center for Biotechnology Information, 19 June 2020, pmc.ncbi.nlm.nih.gov/articles/PMC7321516/.
  • Nweze, N. E., and M. I. Eze. Antioxidant and Antimicrobial Activities of Aspilia africana (Pers.) C. D. Adams Leaf Extracts. International Journal of Tropical Disease & Health, vol. 4, no. 4, 2014, pp. 424-35.
  • Okwu, D. E., and Omodamiro, O. D. Phytochemical Studies and Antibacterial Activity of Extracts of Aspilia africana (Compositae). Research Journal of Applied Sciences, vol. 4, no. 1, 2009, pp. 89-94.
  • Olajide, O. A., et al. Evaluation of the Anti-inflammatory and Wound Healing Properties of Aspilia africana (Pers.) C. D. Adams Leaf in Rats. Pharmaceutical Biology, vol. 42, no. 4-5, 2004, pp. 263-68.
  • Okoli, C. O., et al. Anti-inflammatory Activity of Hexane Leaf Extract of Aspilia africana C. D. Adams. Journal of Ethnopharmacology, vol. 109, no. 2, 2007, pp. 219-25.