Prosopis africana (Prosopis africana): Benefits, Dosage, Safety & Evidence

Questions fréquentes

How does Prosopis africana work for dental problems?

Prosopis africana contains flavonoids, tannins, and saponins that contribute to its oral health benefits. The tannins provide astringent properties that help tighten gum tissue and reduce inflammation, while flavonoids offer antimicrobial activity against oral pathogens. These compounds work together to combat bacteria responsible for gum disease and tooth decay. The bark's antimicrobial and anti-inflammatory properties make it effective for traditional dental hygiene practices. Evidence level: C.

Does Prosopis africana interact with any medications?

There is limited clinical data on specific drug interactions with Prosopis africana. However, the tannins present may reduce absorption of certain medications when taken orally, including iron supplements and some alkaloid-based drugs. The plant contains alkaloids and saponins that could potentially interact with medications metabolized by the liver. If you are taking prescription medications, consult a healthcare provider before using Prosopis africana internally.

What is the recommended dosage for Prosopis africana?

For dental hygiene, a bark decoction is traditionally used as a mouth rinse for gum disease and oral inflammation. For fever management, a root decoction of approximately 5 grams dried material is used by adults. These dosages are based on traditional use rather than standardized clinical trials (Evidence level: C). Due to limited safety data, internal use should be approached cautiously and for short durations only.

Is Prosopis africana safe during pregnancy?

No, Prosopis africana is considered unsafe during pregnancy and should be avoided. The plant contains alkaloids and other compounds that may stimulate uterine contractions or affect fetal development. Traditional knowledge and available evidence contraindicate its use in pregnant women. Women who are breastfeeding should also exercise caution, as safety data during lactation is insufficient. Consult a healthcare provider before using any herbal remedies during pregnancy.

What are the side effects of Prosopis africana?

Reported side effects of Prosopis africana primarily include gastrointestinal upset, such as nausea, stomach discomfort, or diarrhea, particularly with internal use. The tannin content may cause digestive irritation in some individuals. Allergic reactions are possible but uncommon. Due to the presence of alkaloids, prolonged or excessive use should be avoided. Safety data remains limited, so use should be guided by traditional knowledge and professional advice.

What is Prosopis africana used for traditionally?

Prosopis africana is traditionally used in West African medicine primarily for dental hygiene and oral conditions. The bark is prepared as a mouth rinse to treat gum disease, toothache, and maintain general oral health. The root decoction is used for fever management. Additionally, the pods are fermented to produce dawadawa, a protein-rich food condiment. These uses are supported by traditional knowledge and preclinical evidence (Evidence level: C).

Fiche d'information compilée à partir de PubMed

Cette fiche a été compilée à partir de résumés PubMed (NIH) avec l'assistance d'une IA. Chaque affirmation factuelle est citée par un article PubMed réel (voir la liste des sources). Elle n'a pas encore été révisée par un humain — confirmez auprès d'un professionnel de santé avant utilisation.

Compilé à partir de 30 articles PubMed · modèle : gemma4:31b

Résumé

Prosopis africana is a large tree native to dry tropical Africa used traditionally for treating wounds, skin infections, and pain [PMID:35222646, PMID:20645816].

Contexte

Prosopis africana (also known as African mesquite) is a multi-purpose tree characteristic of dry leguminous forests in sub-Saharan Africa, particularly Nigeria and Burkina Faso [PMID:35222646, PMID:28859692, PMID:39086197].

Usages traditionnels

Traditionally used in folk medicine to treat wounds, skin infections, dental caries, and green diarrhea in infants [PMID:35222646, PMID:41466397]. In Nupe land (north central Nigeria), it is used for menstrual and general body pain [PMID:20645816]. It is also used in the treatment and management of trypanosomiasis in domestic animals [PMID:11801393].

Composés actifs

Isolated compounds include a new sesquiterpene (prosoterpene), flavonoids (such as quercetin-3-O-α-L-rhamnoside), alkaloids, phenolic acids, and long-chain alcohols [PMID:35403496]. Phytochemical screening of leaves and stem bark has also detected tannins, saponins, anthocyanin, quinones, terpenoids, and steroids [PMID:33868976, PMID:21188042].

Mécanisme d'action

The herb exerts neuroprotective and gonado-protective effects by modulating the Nrf2/NF-κB pathway, increasing concentrations of antioxidants such as SOD, CAT, GSH, and Hmox-1, and reducing pro-inflammatory markers like IL-6 and TNF-α [PMID:38988888, PMID:39086197, PMID:39334687, PMID:42031540].

Preuves cliniques

Preuve DPain and Inflammation

Methanol stem bark extract showed significant analgesic and anti-inflammatory effects in rats [PMID:20645816]

Preuve DWound Healing

Methanol stem bark extract reduced bleeding/clotting and coagulation time and shortened the epithelialization period of excision wounds in rats [PMID:21188042]

Preuve DHeavy Metal-Induced Neurotoxicity

Aqueous seed extract and other extracts improved memory, motor performance, and olfactory/hippocampal function in rats exposed to cobalt or quaternary metal mixtures [PMID:38988888, PMID:36544532, PMID:39086197]

Preuve DHeavy Metal-Induced Gonadal Toxicity

Aqueous extract protected the gonads of male rats against oxidative stress and pro-inflammatory markers induced by a metal mixture [PMID:39334687]

Preuve DBacterial Infections

Extracts demonstrated antibacterial activity against Staphylococcus aureus, Bacillus subtilis, Salmonella typhi, Pseudomonas aeruginosa, and Klebsiella pneumoniae [PMID:21188042, PMID:22518084]

Sécurité et effets indésirables

In a 28-day sub-chronic toxicity study in rats, no signs of toxicity were seen in acute tests, but weight loss and death occurred in groups receiving 1500 and 2000 mg/kg b.wt. [PMID:33868976]. The LD50 of stem bark methanol extract was established at 774 mg/kg (i.p) in mice [PMID:21188042]. Additionally, some samples sold as spices in local markets exceeded maximum allowable concentrations for lead (Pb), iron (Fe), and zinc (Zn) [PMID:27546329].

Synthèse des preuves

The evidence consists primarily of in vitro studies and animal models (Level D), demonstrating significant antioxidant, anti-inflammatory, and neuroprotective properties, particularly against heavy metal toxicity.

Sources PubMed

1.PMID: 27546329 (2016) — Heavy metals hazards from Nigerian spices. · Roczniki Panstwowego Zakladu Higieny
2.PMID: 35403496 (2023) — A new sesquiterpene, prosoterpene, from Prosopis africana (Guill. & Perr.) Taub. · Natural product research
3.PMID: 35222646 (2022) — Antibacterial and Antioxidant Activities of Isolated Compounds from Prosopis africana Leaves. · International journal of analytical chemistry
4.PMID: 38988888 (2024) — Prosopis africana exerts neuroprotective activity against quaternary metal mixture-induced memory impairment mediated by oxido-inflammatory response via Nrf2 pathway. · AIMS neuroscience
5.PMID: 10426119 (1998) — Nutrient content of Prosopis africana seeds. · Plant foods for human nutrition (Dordrecht, Netherlands)

Prosopis africana

Sources et citations

Calculer une dose sûre de Prosopis africana