Papaya

The papaya (from Carib via Spanish), is the fruit of the tree Carica papaya, in the genus Carica. It is native to the tropics of the Americas, and was cultivated in Mexico several centuries before the emergence of the Mesoamerican classic cultures. Papaya is also known as PEnPe (Bengali: পেঁপে), fruta bomba (Cuba), lechoza (Venezuela, Puerto Rico, the Philippines and the Dominican Republic), mamão (Brazil), papaw (Sri Lankan English), Papol \ Guslabu (Tree melon in Sinhalese), pawpaw or tree melon, as well as tree melon (木瓜) in Chinese and đu đủ in Vietnamese.

It is a small tree, the single stem growing from 5 to 10 m tall, with spirally arranged leaves confined to the top of the trunk; the lower trunk is conspicuously scarred where leaves and fruit were borne. The leaves are large, 50-70 cm diameter, deeply palmately lobed with 7 lobes. The tree is usually unbranched if unlopped. The flowers are similar in shape to the flowers of the Plumeria but are much smaller and wax like. They appear on the axils of the leaves, maturing into the large 15-45 cm long, 10-30 cm diameter fruit. The fruit is ripe when it feels soft (like a ripe avocado or a bit softer) and its skin has attained an amber to orange hue. The fruit's taste is vaguely similar to pineapple and peach, although much milder without the tartness, creamier, and more fragrant, with a texture of slightly over-ripened cantaloupe.^{[citation needed]}

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Cultivation and uses

  Originally from southern Mexico, Central America and northern South America, the papaya is now cultivated in most countries with a tropical climate like Brazil, India, South Africa, Sri Lanka and the Philippines.

The ripe fruit is usually eaten raw, without the skin or seeds. The unripe green fruit of papaya can be eaten cooked, usually in curries, salads and stews.

Green papaya is rich in an enzyme called papain, a protease which is useful in tenderizing meat and other proteins. Its ability to break down tough meat fibers was utilized for thousands of years by indigenous Americans. It is included as a component in powdered meat tenderizers, and is also marketed in tablet form to remedy digestive problems. Green papaya is used in Thai cuisine, both raw and cooked.^[1] Papain is also popular (in countries where it grows) as a topical application in the treatment of cuts, rashes, stings and burns. Papain ointment is commonly made from fermented papaya flesh, and is applied as a gel-like paste. Harrison Ford was treated for a ruptured disc incurred during filming of Indiana Jones and the Temple of Doom by having papain injected into his back.^[2]

Caution should be taken when harvesting, as papaya is known to release a latex fluid when not quite ripe, which can cause irritation and provoke allergic reaction in some people. The papaya fruit and leaves also contains carpaine, an anthelmintic alkaloid which could be dangerous in high doses.   Women in India, Pakistan, Sri Lanka, and other parts of the world have long used papaya as a folk remedy for contraception and abortion.^{[citation needed]} Medical research in animals has confirmed the contraceptive and abortifacient capability of papaya, and also found that papaya seeds have contraceptive effects in adult male langur monkeys, possibly in adult male humans as well.^[3] Unripe papaya is especially effective in large amounts or high doses. Papaya is not teratogenic and will not cause miscarriage in small, ripe amounts. Phytochemicals in papaya may suppress the effects of progesterone.^[4]

The black seeds are edible and have a sharp, spicy taste. They are sometimes ground up and used as a substitute for black pepper. In some parts of Asia the young leaves of papaya are steamed and eaten like spinach.

Excessive consumption of papaya, as of carrots, can cause carotenemia, the yellowing of soles and palms which is otherwise harmless.^{[citation needed]}

The papaya fruit is susceptible to the Papaya Fruit Fly. This wasp-like fly lays its eggs in young fruit.

Ethnomedical uses

• The mature (ripe) fruit treats ringworm, green fruits treat high blood pressure, and are used as an aphrodisiac.
• The fruit can be directly applied topically to skin sores ^[1].
• The seeds are anti-inflammatory and analgesic, and they are used to treat stomachache and fungal infections^[1].
• The leaves are used as a heart tonic, analgesic, and to treat stomachache^[1].
• The roots are used as an analgesic^[2].

Diseases

Main article: List of papaya diseases

See also

• Papaya Coconut, a 1986 hit song by Swedish pop and country singer Kikki Danielsson.

• Sitala

References

1. ^ [1]
2. ^ Entry on Harrison Ford's back treatment.
3. ^ Lohiya, N. K.; B. Manivannan, P. K. Mishra, N. Pathak, S. Sriram, S. S. Bhande, and S. Panneerdoss (March 2002). "Chloroform extract of Carica papaya seeds induces long-term reversible azoospermia in langur monkey". Asian Journal of Andrology 4: 17–26. Retrieved on 2006-11-18.
4. ^ Oderinde, O. "Abortifacient properties of Carica papaya (Linn) seeds in female Sprague-Dawley rats". Niger Postgrad Medical Journal. PMID 12163882.
5. ^ Berrin, Katherine & Larco Museum. The Spirit of Ancient Peru:Treasures from the Museo Arqueológico Rafael Larco Herrera. New York: Thames and Hudson, 1997.