Citrus maxima (Burm.) Merrill.
Citrus decumana L.
Citrus aurantium Var. grandis L.
Family: Rutaceae - Rue family
Growth Habit: Tree
Bangla/Vernacular Name: Jambura, Batabilebu, Mahanimbu, Chakotra
Tribal Name: Ompur (Bawm), Dupa (Khumi), Dopaashe (Marma), Mango-Cham (Murang).
English Name: Shaddock, Pummelo, Forbidden Fruit
A small to medium-sized spinous tree. Leaflets large, ovate-oblong, petioles broadly winged. Flowers white. Fruit large, pale yellow, globose or pyriform; rind thick; pulp varying in colour from crimson to pale pink or yellow.
Fruit juice is rich in ascorbic and citric acids. Fruit peel contains an essential oil rich in d-limonene (about 90%), a-pinine, linalool, geraniol, flavonoids, coumarins, triterpenes, carotene, pectin, nobilitin and hesperidin. The unripe fruit contains cirantin, which reputedly is a contraceptive. Fungistatic flavones tangeretin and nobiletin are present in the leaves. They also contain essential oil.
The oil contains a 7-hydroxycoumarin geranyl ether, auraptene. Flowers contain flavonoid glycosides, neo-hesperidin and naringin. Fruit juice and seeds contain limonoid glycosides like limonnin, nomilin and obacunone (Ghani, 2003). Peel contains nirangin and poncirin (Rastogi & Mehrotra, 1990).
Citrus grandis (L.) Osbeck
Frequently cultivated throughout Bangladesh.