Renealmia alpinia (Renealmia alpinia): Benefits, Dosage, Safety & Evidence

Frequently asked questions

How does Renealmia alpinia work for snakebite and inflammation?

Renealmia alpinia contains essential oils, flavonoids, and tannins that contribute to its biological activity. These compounds may neutralize certain snake venom components and reduce inflammatory mediators in tissues. The tannins provide astringent effects useful for wound healing. However, specific molecular mechanisms have not been fully characterized in clinical trials. Evidence Level: C (preliminary pharmacological studies and traditional use support these effects).

Does Renealmia alpinia interact with any medications?

Limited research exists on drug interactions with Renealmia alpinia. Due to its tannin content, it may potentially reduce absorption of certain medications if taken concurrently. The herb may also have additive effects with anti-inflammatory or anticoagulant drugs. Patients taking prescription medications should consult a healthcare provider before using this herb. Evidence Level: C (based on constituent properties rather than clinical interaction studies).

What is the recommended dosage of Renealmia alpinia?

Traditional adult dosages include leaf tea prepared with 5-10 grams of dried leaf material, taken twice daily. For external use on wounds or skin conditions, fresh leaves can be applied as a poultice or wrap. Standardized commercial preparations are not widely available, so dosing relies on traditional preparation methods. Consult a qualified medical herbalist for personalized guidance. Evidence Level: Traditional.

Is Renealmia alpinia safe during pregnancy and breastfeeding?

Renealmia alpinia is considered unsafe during pregnancy and should be strictly avoided. Traditional knowledge and constituent analysis suggest potential uterine-stimulating properties that could pose risks including miscarriage. Women who are pregnant, trying to conceive, or breastfeeding should not use this herb internally or externally. Evidence Level: C (based on traditional knowledge and constituent properties; no clinical safety studies exist).

What are the side effects of Renealmia alpinia?

Reported side effects of Renealmia alpinia are primarily mild gastrointestinal upset, including nausea and stomach discomfort. These effects typically occur with oral consumption of leaf preparations. External application may cause skin irritation in sensitive individuals. Discontinue use if adverse reactions occur and seek medical attention if symptoms persist or worsen. Evidence Level: Traditional/C.

What is Renealmia alpinia used for traditionally?

Renealmia alpinia is traditionally used by indigenous communities in Colombia and Ecuador for treating snakebites, infections, fever, and various skin conditions. It also has applications as an anti-inflammatory agent for swelling and pain. The plant belongs to the Zingiberaceae family and has been employed in folk medicine throughout the Neotropics. Evidence Level: C (supported by ethnobotanical documentation and preliminary research).

PubMed-compiled information sheet

This sheet was compiled from PubMed (NIH) abstracts using AI assistance. Every factual claim is cited to a real PubMed article (see the source list). It has not yet been human-reviewed — confirm with a healthcare provider before use.

Compiled from 25 PubMed articles · model: gemma4:31b

Summary

Renealmia alpinia is a medicinal plant native to the American continent, used traditionally in Colombia and other regions to treat snakebites and pain [PMID:25312186, PMID:25686780].

Background

Renealmia alpinia (Zingiberaceae) is found in tropical rainforests ranging from Mexico to Brazil, including the Caribbean islands, Guyana, Suriname, Colombia, and Venezuela [PMID:25312186, PMID:25686780].

Traditional uses

It is traditionally used to treat snakebites, pain, and as an antipyretic, antiemetic, and anticonvulsant, as well as for treating wounds, malignant ulcers, epilepsy, and fungal infections [PMID:25312186, PMID:29138643]. In Colombia, it is known as 'matandrea' and used as plasters for painful ailments [PMID:25686780, PMID:36097473].

Active compounds

Identified compounds include the flavanone pinostrobin, desmethoxyyangonin, 4'-methyl ether sakuranetin, sakuranetin, pinostrobin chalcone, and yashabushidiol A [PMID:29138643]. The essential oil contains sesquiterpenes such as α-phellandrene, 16-oxo-8(17),12(E)-labdadien-15-oic acid, β-caryophyllene, valencene, and allo-aromadendrene [PMID:36650708]. Other components include labdane diterpenoids, carotenoids, and phenolic compounds [PMID:9428162, PMID:34828906, PMID:39682838].

Mechanism of action

Extracts and the compound pinostrobin inhibit the enzymatic and biological activities of snake venoms, specifically neutralizing serine proteinase, metalloproteinase, and phospholipase A2 (PLA2) toxins [PMID:23916793, PMID:25138354, PMID:27109758]. Desmethoxyyangonin acts as a reversible inhibitor of human monoamine oxidases-A and B, showing a preference for MAO-B [PMID:29138643].

Clinical evidence

Evidence DSnakebite (Bothrops asper/atrox)

Extracts inhibit lethal, hemorrhagic, coagulant, and proteolytic activities of Bothrops venom in murine models [PMID:23916793, PMID:25941768, PMID:10940590].

Evidence DPain/Inflammation

Extracts and pinostrobin demonstrate antinociceptive and anti-inflammatory activities in experimental animals [PMID:25686780, PMID:36097473].

Evidence DMalaria (Plasmodium falciparum)

Ethanolic extracts displayed activity against chloroquine-resistant strains of P. falciparum (IC50 < 10 microg/ml) [PMID:19514108].

Safety & adverse effects

Acute toxicity tests in experimental animals indicated that R. alpinia extracts had no toxic effects [PMID:23715185].

Evidence summary

The evidence consists primarily of in vitro studies and animal models (Level D), demonstrating significant anti-venom, analgesic, and antioxidant properties, but lacks human clinical trials.

PubMed sources

1.PMID: 23916793 (2013) — Inhibition of venom serine proteinase and metalloproteinase activities by Renealmia alpinia (Zingiberaceae) extracts: comparison of wild and in vitro propagated plants. · Journal of ethnopharmacology
2.PMID: 25312186 (2014) — Traditional use of the genus Renealmia and Renealmia alpinia (Rottb.) Maas (Zingiberaceae)-a review in the treatment of snakebites. · Asian Pacific journal of tropical medicine
3.PMID: 25686780 (2015) — Antinociceptive activity of extracts and secondary metabolites from wild growing and micropropagated plants of Renealmia alpinia. · Journal of ethnopharmacology
4.PMID: 25138354 (2014) — Inhibition of the toxic effects of Bothrops asper venom by pinostrobin, a flavanone isolated from Renealmia alpinia (Rottb.) MAAS. · Journal of ethnopharmacology
5.PMID: 36650708 (2023)

Renealmia alpinia

Sources & Citations

Calculate a safe dose of Renealmia alpinia

Markhamia Lutea

Hypericum hookerianum

Trichilia Havanensis

Frequently asked questions

Summary

Background

Traditional uses

Active compounds

Mechanism of action

Clinical evidence

Safety & adverse effects

Evidence summary

PubMed sources

Government sources

Renealmia alpinia

Sources & Citations

Calculate a safe dose of Renealmia alpinia

Related Herbs

Markhamia Lutea

Hypericum hookerianum

Trichilia Havanensis

Frequently asked questions

Summary

Background

Traditional uses

Active compounds

Mechanism of action

Clinical evidence

Safety & adverse effects

Evidence summary

PubMed sources

Government sources