Nepenthes mirabilis (Nepenthes mirabilis): Benefits, Dosage, Safety & Evidence

Questions fréquentes

How does Nepenthes mirabilis work as a medicinal plant?

Nepenthes mirabilis contains bioactive compounds including plumbagin, naphthoquinones, flavonoids, and tannins. Plumbagin and naphthoquinones demonstrate antimicrobial and anti-inflammatory properties in laboratory studies, which may explain its traditional use for eye conditions and fever. These compounds have shown potential antidiabetic effects in preliminary research. However, clinical evidence remains limited (Evidence Level C), and the exact mechanisms require further study.

Does Nepenthes mirabilis interact with any medications?

Limited research exists on drug interactions with Nepenthes mirabilis. Plumbagin, a key compound, may theoretically affect liver enzymes involved in drug metabolism. Patients taking antidiabetic medications should exercise caution, as the plant may affect blood glucose levels. Those on anticoagulants should also be cautious due to potential effects on clotting. Always consult a healthcare provider before combining herbal remedies with prescription medications (Evidence Level C).

What is the recommended dosage for Nepenthes mirabilis?

Traditional preparations include using pitcher fluid as an eye wash for eye conditions, though this should be done with caution due to sterility concerns. For internal use, leaf tea is prepared using 3-5 grams of dried leaf material. These dosages are based on folk medicine traditions rather than clinical trials (Evidence Level C). Standardized preparations are not commercially available, making consistent dosing challenging.

Is Nepenthes mirabilis safe during pregnancy and breastfeeding?

Nepenthes mirabilis is considered unsafe during pregnancy and breastfeeding. Plumbagin and naphthoquinones present in the plant have demonstrated uterine stimulant properties and potential embryotoxic effects in animal studies. These compounds may also be excreted in breast milk. Pregnant or nursing individuals should avoid all preparations of this herb. Internal use poses particular risks and is contraindicated (Evidence Level C).

What is Nepenthes mirabilis used for in traditional medicine?

In Southeast Asian folk medicine, Nepenthes mirabilis has been traditionally used to treat eye conditions, fever, and diabetes. The pitcher fluid is applied as an eye wash for various eye ailments, while leaf preparations are used as antipyretics to reduce fever. Some traditional practitioners also use it for managing blood sugar levels. These uses are based on ethnobotanical knowledge rather than rigorous clinical trials (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 19 articles PubMed · modèle : gemma4:31b

Résumé

Nepenthes mirabilis is a carnivorous pitcher plant distributed across Africa, Asia, and Australia, known for its modified leaves that trap and digest insects [PMID:33474302, PMID:40638654].

Contexte

Nepenthes mirabilis is a dioecious, carnivorous herb (0.5-2 m tall) belonging to the monotypic family Nepenthaceae [PMID:33474302, PMID:41409076]. It typically grows in nutrient-poor, boggy, wet, or sandy soils in forests, grasslands, and swamps [PMID:36414834, PMID:33474302].

Usages traditionnels

It is used as a folk medicine for the treatment of jaundice, hepatitis, gastric ulcers, ureteral stones, diarrhea, diabetes, and high blood pressure [PMID:26186458]. In Thai wisdom, its leaves have been used as food packaging to preserve freshness [PMID:37372620]. It is also used as an herbal antidiabetic remedy in Vietnamese traditional medicine [PMID:27041401].

Composés actifs

Identified compounds include naphthalene diglucosides (nepenthosides A and B), various phenolic compounds, and proteins such as serine carboxypeptidases (SCP3, SCP20, SCP47), nepenthesins (aspartic proteases), and the pathogenesis-related protein NmPR-1 [PMID:25724283, PMID:37372620, PMID:34963626, PMID:25750992, PMID:24534104].

Mécanisme d'action

The plant utilizes hydrolytic enzymes (aspartic proteases and serine carboxypeptidases) for the proteolysis of captured prey [PMID:37060047, PMID:25750992, PMID:34963626]. Some isolated compounds exhibit anti-inflammatory activity by affecting pro-inflammatory cytokine production (IL-12 p40, IL-6, and TNF-α) in bone marrow-derived dendritic cells [PMID:26186458].

Preuves cliniques

Preuve DInflammation

Methanolic extracts and isolated compounds showed anti-inflammatory activity in LPS-stimulated bone marrow-derived dendritic cells [PMID:26186458]

Preuve DOsteoporosis

Compounds 1-7 and 9-12 significantly suppressed tartrate-resistant acid phosphatase activity in RANKL-induced osteoclastic RAW 264.7 macrophage cells [PMID:25724283]

Preuve DOxidative Stress

Ethanolic extracts of leaves exhibited high phenolic content and antioxidant capacity on DPPH, FRAP, and SRSA assays [PMID:37372620]

Synthèse des preuves

The current evidence is based on in vitro studies, phytochemical screenings, and genomic analyses; there are no clinical trials or systematic reviews available to establish therapeutic efficacy in humans.

Sources PubMed

1.PMID: 36414834 (2023) — Photosynthetic electron transport in pitcher plants (Nepenthes mirabilis). · Photosynthesis research
2.PMID: 37060047 (2023) — Draft genome and transcriptome of Nepenthes mirabilis, a carnivorous plant in China. · BMC genomic data
3.PMID: 37372620 (2023) — Antimicrobial Activity against Foodborne Pathogens and Antioxidant Activity of Plant Leaves Traditionally Used as Food Packaging. · Foods (Basel, Switzerland)
4.PMID: 40638654 (2025) — A high quality genome of the common swamp pitcher plant (Nepenthes mirabilis) using PacBio HiFi sequencing. · PloS one
5.PMID: 34963626 (2022) — Serine carboxypeptidases from the carnivorous plant Nepenthes mirabilis: Partial characterization and heterologous expression. · International journal of biological macromolecules

Nepenthes mirabilis

Sources et citations

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