Botanical Name: Carica papaya L.,
Family: Caricaceae
Synonyms: Within botanical nomenclature, it is often referenced by synonyms such as Papaya vulgaris DC., Carica mamaja Vell., and Papaya carica Gaertn.
Vernacular Names: The plant is known globally and regionally by various names, including Papita (Hindi), Papaya or Pawpaw (English), Papeya (Bengali), Pappali (Tamil), and Boppayi (Telugu). In Sanskrit, it is classically termed Eranda-karkati or Madhu-karkati.
Classification: In terms of habit, the papaya is a giant, fast-growing, herbaceous perennial. While it possesses a tree-like stature, it lacks true woody tissue, featuring a hollow, succulent, and fibrous stem. Within the family context, it is the most economically and medicinally significant member of the Carica genus.
Habitat: Originally native to Central America and Southern Mexico, the papaya has become naturalized in nearly all pantropical regions. It thrives in well-drained, porous, and fertile soils, preferring warm, sunny environments with high humidity. It is highly intolerant of frost and waterlogged conditions.
Morphology: The plant typically reaches a height of 3–10 meters, supported by an unbranched, grayish trunk marked by prominent leaf scars. The leaves are large, deeply palmately lobed (7–9 lobes), and spirally arranged at the apex of the trunk on long, hollow petioles. It is generally dioecious; flowers are waxy and yellowish-white, with male flowers appearing in long drooping panicles and female flowers borne singly or in small clusters in the leaf axils. The fruit is a large, fleshy berry, cylindrical or pear-shaped, turning from green to yellow-orange upon ripening, and containing numerous small, black, peppery seeds.
Useful Parts: In both traditional and clinical settings, the ripe and unripe fruit, seeds, leaves, and the milky latex (exuded from the green fruit and stem) are the primary parts utilized. Occasionally, the roots are also employed in specific decoctions.
Chemical Composition: The primary active constituents are proteolytic enzymes, specifically papain and chymopapain, which are concentrated in the latex of the unripe fruit. The leaves contain the alkaloid carpaine, while the seeds contain benzyl isothiocyanate and glucosinolates. The fruit is additionally rich in vitamins A, C, and E, carotenoids (like lycopene), and flavonoids.
Pharmacological Action: Papaya is renowned for its digestive (carminative) and proteolytic actions, facilitating the breakdown of proteins. It exhibits anthelmintic properties, particularly in the seeds and latex, used to expel intestinal parasites. Furthermore, leaf extracts have shown significant thrombopoietic activity (increasing platelet counts), making it a standard adjunct treatment for Dengue fever. It also possesses anti-inflammatory, wound-healing, and, in its unripe state, abortifacient properties.
Formulation/Usage: Traditional applications involve the use of fresh leaf juice to manage fevers and low platelet counts. The unripe fruit is frequently cooked as a vegetable to aid liver function and chronic dyspepsia. The latex is applied topically to treat eczema, warts, and to deslough necrotic tissue from wounds, while powdered seeds are administered as a vermifuge to treat helminthic infestations.
Rasa: Katu, Tikta.
Guna: Laghu, Ruksha, and Tikshna
Virya: Ushna
Vipaka: Katu