Morinda citrifolia / Noni / Rubiaceae (Coffee family)

Information

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Other Names

great morinda, Indian mulberry, beach mulberry, Tahitian noni, cheese fruit

Description

Noni might be a relatively recent discovery for Western herbology, but it has a long history of use in Polynesian culture. It is widely recognized through the Pacific for its healthful attributes. Almost all parts of the plant have some application in folk medicine. The fruit has been used in food, and the root and bark - as a dye.

Contents

Analyzed as a whole fruit powder, noni fruit has excellent levels of carbohydrates and dietary fiber, providing 55% and 100% of the Dietary Reference Intakes, respectively, in a 100 g serving. A good source of protein (12% DRI), noni pulp is low in total fats (4% DRI). The main micronutrient features of noni pulp powder include exceptional vitamin C content (10x DRI) and substantial amounts of niacin (vitamin B3), iron and potassium. Vitamin A, calcium and sodium are present in moderate amounts. It also contains oligo- and polysaccharides, glycosides, scopoletin, beta-sitosterol, damnacanthal, alkaloids. (2)

Historical

About 2000 years ago, the ancient peoples of French Polynesia colonized islands throughout the South Pacific. As they made their voyages, they brought with them sacred plants from their home islands. These plants
had within them basic foods, construction materials and medicines used by the colonizers. Morinda citrifolia L (noni) is one of the most important traditional Polynesian medicinal plants. Remedies from isolated Polynesian cultures, such as that of Rotuma, illustrate traditional indications that focus upon leaves, roots, bark, and green fruit, primarily for topical ailments. Anecdotally collected Hawaiian remedies that employ noni fruit illustrate changing usage patterns with shifts in recent times to preparation of juice made of ripe or decaying fruit. (1)
This species was commonly cultivated as a dye plant; the bark contains a red pigment and the roots a yellow pigment used in dying kapa. (3)

Plant Description

Small trees or shrubs 3-6 m tall; stems 4-angled, glabrous. Leaves glossy, membranous, elliptic to elliptic-ovate, 20-45 cm long, 7-25 cm wide, glabrous, petioles stout, 1.5-2 cm long, stipules connate or distinct, 10-12 mm long, apex entire or 2-3lobed. Flowers perfect, ca. 75-90 in ovoid to globose heads, peduncles 10-30 mm long; calyx a truncate rim; corolla white, 5-lobed, the tube greenish white, 7-9 mm long, the lobes oblong-deltate, ca. 7 mm long; stamens 5, scarcely exserted; style ca. 15 mm long. Syncarp yellowish white, fleshy, 5-10 cm long, ca. 3-4 cm in diameter, soft and foetid when ripe. Seeds with a distinct air chamber. Native from southeastern Asia to Australia; in Hawai’i a Polynesian introduction originally cultivated for its medicinal and dye properties, now naturalized in relatively dry to mesic sites, 0-450 m, in solution pits near the coast, disturbed hala forest, dry to mesic forest, and alien grassland, on all of the main islands except not documented from Kaho’olawe. (3)

References

(1) From Polynesian Healers to Health Food Stores: Changing Perspectives of Morinda citrifolia (Rubiaceae), Will McClatchey
(2) Noni, Wikipedia
(3) The Noni Website, University of Hawaii at Manoa, College of Tropical Agriculture and Human Resources.