Lechosa Health Dictionary

Papaya (Carica papaya).

Plant Part Used: Fruit (ripe and unripe), papain enzymes.

Dominican Medicinal Uses: Fruit: eaten for digestive ailments, flatulence, stomachache, intestinal pain, heartburn, heart disease, hypertension, menopausal hot flashes, urinary tract infection, skin infection.

Safety: Ripe fruit is widely consumed and generally considered safe; topical application of the unripe fruit did not show toxicity in rabbits; other plant preparations have shown mixed results in animal toxicity studies.

Contraindications: Pregnancy and lactation (unripe fruit and papain); children under 12 years (due to lack of clinical data); history of hypersensitivity to fruit.

Drug Interactions: Warfarin (w/papain may cause excessive bleeding).

Clinical Data: Human clinical trials: guinea worm infection (leaves), immunomodulation (papain enzymes), burn wound-healing (fruit).

Laboratory & Preclinical Data: In vivo: abortifacient (unripe fruit constituents), anthelmintic (latex), antifertility—inhibits sperm motility (seed extract), antihypertensive (unripe fruit ethanolic extract); anti-ulcer (unripe fruit latex); diuretic (root); reversible azoospermia (seed extract).

In vitro: antiamoebic (seed extract), antihypertensive (unripe fruit ethanolic extract), antimicrobial, antioxidant (unripe fruit and seed), anti-salmonella (leaf and root extracts), immunomodulatory, immunostimulatory (seed extract), uterine stimulatory (fruit latex extract).

* See entry for Lechosa in “Part 3: Dominican Medicinal Plant Profiles” of this book for more information, including references.