Piper tuberculatum
StarPiper tuberculatum
Synonyms: Piper obliquum, Piper tuberculatum var. minus, Steffensia tuberculata var. glabrata, Piper tuberculatum var. cangrejalense, Piper geniculatum f. puberulum, Steffensia tuberculata, Piper tuberculatum var. majus, Piper yurimaguasanum, Piper tuberculatum var. scandens, Piper cujabanum, Piper tuberculatum var. obtusifolium, Piper tuberculatum var. rigidomembranaceum, Artanthe beecheyana, Piper nutans, Piper arboreum subsp. tuberculatum, Artanthe tuberculata var. brevispicata, Piper santo-domingense, Artanthe tuberculata, Piper acutifolium
Western Herbalism Properties
Traditional Uses
In Amazonian and northeastern Brazilian traditional medicine, Piper tuberculatum is used as a decoction or poultice of the roots, fruits and leaves for the treatment of inflammation, rheumatic pain, snakebite and skin infections (Bezerra et al., 2008). Its fruits are a notable botanical source of the amide piplartine (piperlongumine), a compound with documented analgesic, antimicrobial and antitumor activity (Bezerra et al., 2013).
Gallery
Botanical Description
Piper tuberculatum is a perennial shrub or subshrub of the Piperaceae family widely distributed in the Neotropics from southern Mexico and the West Indies through Central America to Amazonian South America. It typically grows 1 to 3 m tall, with jointed, somewhat swollen nodes and slightly woody stems characteristic of the genus. The alternate, simple leaves are elliptic to ovate-elliptic, 10 to 20 cm long, with an acuminate apex, asymmetric base, entire margins, and prominent pinnate venation; surfaces are glabrous and dotted with pellucid glands when held to the light. Inflorescences are slender, erect, cylindrical spikes 4 to 10 cm long, opposite the leaves, bearing minute apetalous flowers densely packed around the rachis. Fruits are tiny, fleshy, one-seeded drupes that become tuberculate-warty at maturity, giving the species its epithet. The plant grows in lowland tropical forests, secondary growth and riverbanks.
Active Constituents
Piplartine (piperlongumine)
Amide alkaloid (dihydropyridone amide)Concentration: Major amide of roots and fruits
The signature alkaloid of the species, isolated mainly from roots and fruits. It shows a broad experimental profile including cytotoxic/antitumour, anxiolytic, antidepressant, antinociceptive, antiplatelet, leishmanicidal, trypanocidal and schistosomicidal activity in laboratory and animal models.
Piperine
Piperidine amide alkaloidConcentration: Present in fruits/aerial parts
The pungent amide familiar from black pepper, also present in this species. It is a known inhibitor of drug-metabolising enzymes (CYP3A4) and of P-glycoprotein, giving it bioavailability-enhancing and insecticidal properties, and it shows cytotoxic activity in tumour cell assays.
Pellitorine
Isobutylamide (unsaturated fatty-acid amide)Concentration: Isolated from mature plants
An isobutyl amide with insecticidal, antifungal and larvicidal activity that contributes to the plant's natural pest resistance and its ethnobotanical use as an insect repellent.
Dihydropiplartine
Amide alkaloid (dihydropyridone amide)Concentration: Minor amide of mature plants
A reduced analogue of piplartine co-occurring in the plant, reported among the antifungal amides isolated from mature Piper tuberculatum tissue.
Delta-alpha,beta-dihydropiperine
Piperidine amide alkaloidConcentration: Minor amide
A dihydro derivative of piperine identified among the amide fraction; part of the antifungal isobutyl/piperidine amide complex characterised from the species.
⚠ Drug Interactions
CYP3A4 / P-glycoprotein substrate drugs
The plant contains piperine, a documented inhibitor of cytochrome P450 3A4 and of P-glycoprotein-mediated efflux; concentrated amide-rich extracts could therefore raise the exposure of drugs metabolised or transported by these systems, as piperine does in pepper preparations.
Clinical note: Theoretical extrapolation from piperine pharmacology; no clinical interaction data exist for this species specifically.
Preparation Methods
Root/fruit decoction (traditional)
Parts: root, fruit
In Amazonian and Central American folk practice the roots and fruits are decocted and taken for pain, fevers, snakebite and as a sedative/antispasmodic. Because the plant concentrates bioactive amide alkaloids (piplartine, piperine) with cytotoxic potential, traditional internal use is not validated for safety and should be regarded with caution.
Alcoholic / dichloromethane extract (research)
Parts: root, fruit
Organic-solvent extracts are used to isolate the amide fraction for pharmacological study (e.g. antiulcer, antidepressant and antitumour investigations). These are laboratory preparations, not standardised medicines.
Topical / insecticidal preparation
Parts: leaf, fruit
Crushed aerial parts are applied traditionally as an insect repellent and topical remedy, reflecting the isobutylamide (pellitorine) content that gives the plant natural insecticidal activity.
Historical Texts
Pio Corrêa, Dicionário das Plantas Úteis do Brasil e das Exóticas Cultivadas
Early-mid 20th centuryReferences
- Felipe FCB, Sousa Filho JT, Souza LEO, Silveira JA, Uchoa DEA, Silveira ER, Pessoa ODL, Viana GSB. Piplartine, an amide alkaloid from Piper tuberculatum, presents anxiolytic and antidepressant effects in mice . Phytomedicine (2007) [DOI]
- Navickiene HMD, Alecio AC, Kato MJ, Bolzani VS, Young MCM, Cavalheiro AJ, Furlan M. Antifungal amides from Piper hispidum and Piper tuberculatum . Phytochemistry (2000) [DOI]
This information is for educational purposes only and is not intended to replace professional medical advice. Always consult a qualified healthcare provider before using any herbal remedy, especially if you are pregnant, nursing, or taking medications.
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