Zanthoxylum Nitidum (Zanthoxylum nitidum): Benefits, Dosage, Safety & Evidence

Questions fréquentes

How does Zanthoxylum nitidum work for pain relief?

Zanthoxylum nitidum contains bioactive alkaloids, particularly nitidine and oxynitidine, which are believed to provide analgesic and anti-inflammatory effects. These compounds may modulate inflammatory pathways and affect pain signaling mechanisms. The herb also contains tannins that contribute to its astringent and antimicrobial properties. For toothache, traditional topical application may produce local anesthetic effects. Evidence level C, based primarily on in vitro and animal studies rather than human clinical trials. More research is needed to fully understand the mechanisms.

Is Zanthoxylum nitidum safe during pregnancy?

Zanthoxylum nitidum is considered unsafe during pregnancy and should be strictly avoided. The herb contains alkaloids that may stimulate uterine contractions or cause harm to the developing fetus. Breastfeeding women should also avoid this herb due to insufficient safety data. Additionally, this herb is contraindicated in children and individuals with bleeding disorders. Women of childbearing age should use reliable contraception if using this herb therapeutically. Consult a qualified healthcare provider before using any herbal medicines during pregnancy.

What is the recommended dosage for Zanthoxylum nitidum?

The traditional adult dosage for Zanthoxylum nitidum is 3 to 9 grams daily as a decoction for internal use. For toothache, the herb is commonly applied topically to the affected area rather than ingested. Dosage may vary depending on the specific preparation and intended use. Due to limited clinical evidence establishing optimal dosing, following traditional guidelines and consulting a qualified herbalist or healthcare practitioner is recommended. This herb should not be used in children under any circumstances.

Does Zanthoxylum nitidum interact with any medications?

Zanthoxylum nitidum may interact with anticoagulant and antiplatelet medications due to potential effects on blood clotting. Individuals taking warfarin, aspirin, clopidogrel, or similar blood-thinning medications should avoid this herb, as it may increase bleeding risk. Additionally, because the herb can cause photosensitivity, it may compound the effects of photosensitizing medications such as certain antibiotics and diuretics. Limited clinical data exists on specific drug interactions, so caution is advised when combining with any prescription medications. Consult a healthcare provider before use.

What are the side effects of Zanthoxylum nitidum?

Reported side effects of Zanthoxylum nitidum include nausea and photosensitivity. The photosensitizing effect means users may become more sensitive to sunlight, increasing the risk of sunburn or skin reactions. To minimize this risk, avoid prolonged sun exposure and use sun protection during use. Some individuals may experience gastrointestinal discomfort. Due to potential effects on blood clotting, those with bleeding conditions should avoid this herb entirely. Discontinue use if adverse reactions occur and seek medical attention if symptoms persist or worsen.

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

Zanthoxylum nitidum (Roxb.) DC., known in China as Liang-Mian-Zhen, is a woody liana plant of the Rutaceae family used in traditional Chinese medicine for its anti-inflammatory, analgesic, and antibacterial properties [PMID:32492492, 40651433].

Contexte

Z. nitidum is primarily distributed in southern China [PMID:32492492]. It is recognized as a characteristic national medicine in Guangxi, referred to as 'Ru Shan Hu' in Yao medicine and 'Liang Bei Zhen' in Zhuang medicine [PMID:35680557].

Usages traditionnels

Traditionally used for treating stomach ache, toothache, rheumatic arthralgia, traumatic injury, and venomous snake bites [PMID:32492492, 37163151]. Other applications include treating inflammations, various cancers, bacterial and viral infections, gastric and oral ulcers, and liver damage [PMID:32492492].

Composés actifs

More than 150 chemical constituents have been separated [PMID:32492492]. Key active ingredients include nitidine chloride, chelerythrine, magnoflorine chloride, and hesperidin [PMID:38675484]. Other identified compounds include benzophenanthridine alkaloids (e.g., sanguinarine), isoquinoline alkaloids, coumarins, sesquiterpenoids, isobutylamides, and lignans [PMID:35680557, 36496049, 41033474, 35240520, 36893545].

Mécanisme d'action

Z. nitidum ethanol extract (ZNE) may ameliorate intestinal barrier dysfunction and inflammation by regulating the PPARγ/NF-κB/iNOS signaling pathway and gut microbiota [PMID: 40651433]. It has been shown to suppress BMP-2-induced inflammatory responses by inhibiting the phosphorylation of NF-κBp65 and IκB and preventing the abnormal nuclear translocation of p65 [PMID:33030503]. Certain phenylpropanoids may reduce neuroinflammation via NLRP3/caspase1 signaling pathways [PMID:34246746]. Sanguinarine and other components inhibit Helicobacter pylori urease [PMID:31759110, 35577159].

Preuves cliniques

Preuve DUlcerative Colitis (Animal/In Vitro)

Zanthoxylum nitidum ethanol extract (ZNE) significantly improved weight loss, DAI scores, colon shortening, and tissue damage in TNBS-induced UC rat models and protected LPS-stimulated Caco-2 cells [PMID:41055302].

Preuve DMRSA Infection (In Vitro/In Vivo)

Isoquinoline alkaloids 6-acetonyl-dihydrofagaridine and 6-acetonyl-dihydrochelerythrine showed anti-MRSA bioactivity [PMID:35240520].

Preuve DCancer (In Vitro)

Various isolates, including specific isobutylamides, alkaloids, and sesquilignans PD, exhibited inhibitory or cytotoxic effects against human cancer cell lines such as HepG2, T24, and HCC827-osi [PMID:36496049, 41033474, 38958633, 36893545, 36757213].

Synthèse des preuves

The current evidence consists primarily of in vitro cell studies, animal models, and phytochemical reviews. There are no human clinical trials provided in the source abstracts.

Sources PubMed

1.PMID: 32492492 (2020) — Zanthoxylum nitidum (Roxb.) DC: Traditional uses, phytochemistry, pharmacological activities and toxicology. · Journal of ethnopharmacology
2.PMID: 35680557 (2022) — Four New Sesquiterpenoids from Zanthoxylum nitidum. · Chemistry & biodiversity
3.PMID: 36496049 (2023) — Structurally diverse isobutylamides from Zanthoxylum nitidum. · Fitoterapia
4.PMID: 41055302 (2025) — Zanthoxylum Nitidum Ameliorates Intestinal Barrier Dysfunction and Inflammation in TNBS-Induced Colitis Rats and LPS-Stimulated Caco-2 Cells. · FASEB journal : official publication of the Federation of American Societies for Experimental Biology
5.PMID: 37163151 (2023) — Full-length transcriptome analysis of Zanthoxylum nitidum (Roxb.) DC. · PeerJ

Zanthoxylum Nitidum

Sources et citations

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