The pomelo, Citrus maxima or Citrus grandis, is the largest citrus fruit from the Rutaceae family. It is a natural (non-hybrid) citrus fruit, similar in appearance to a large grapefruit, native to South and Southeast Asia. The pomelo is one of the original citrus species from which the rest of cultivated citrus have been hybridized. The popular fruit is used in many festive celebrations throughout Southeast Asia.
Flesh of a pomelo
|Nutritional value per 100 g (3.5 oz)|
|Energy||159 kJ (38 kcal)|
|Dietary fiber||1 g|
|†Percentages are roughly approximated using US recommendations for adults. |
Source: USDA Nutrient Database
After a Captain Shaddock of an East India Company ship introduced it to Barbados, the fruit was called "shaddock" in English. From there the name spread to Jamaica in 1696. It remains a common name for the fruit among English authors.
The etymology of the word "pomelo" is uncertain. It may be an alteration of "pompelmoes": in Tamil pomelos are called pampa limāsu, which means "big citrus". The name was adopted by the Portuguese as pomposos limões and then by the Dutch as pompelmoes. With some deviations, the name may be found in many European languages, such as German (Pampelmuse), Latvian (pampelmūze), Ido (pompelmuso), whereas some other languages use "pomelo" (Turkish, Norwegian, Polish, Bulgarian). In English, the word "pomelo" (also spelled pomello, pummelo, pommelo, pumelo) has become the more common name, although "pomelo" has historically been used for grapefruit. (The 1973 printing of the American Heritage Dictionary, for example, gives grapefruit as the only meaning of "pomelo.")
It has been suggested, but not attested, that "pomelo" is an alteration of a compound of English words pome ("apple") + melon. The fruit is also known as jabong in Hawaii and jambola in varieties of English spoken in South Asia.
Description and usesEdit
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Typically, the fruit is pale green to yellow when ripe, with sweet white (or, more rarely, pink or red) flesh, and a very thick albedo (rind pith). It is a large citrus fruit, 15–25 centimetres (5.9–9.8 in) in diameter, usually weighing 1–2 kilograms (2.2–4.4 lb). Leaf petioles are distinctly winged.
The typical pomelo is much larger than the grapefruit, and also has a much thicker rind. It tastes like a sweet, mild grapefruit (believed to be a hybrid of Citrus maxima and the orange). The flesh has none, or very little, of the common grapefruit's bitterness. The enveloping membranous material around the segments is bitter, considered inedible, and usually discarded.
Sometimes, the peel is used to make marmalade. It may be candied, or dipped in chocolate. In Brazil the thick skin is often used for making a sweet conserve, while the spongy pith of the rind is discarded. In Sri Lanka it is often eaten as a dessert, either raw or sprinkled with sugar. Some fatty Asian dishes use sliced pre-soaked pith to absorb the sauce and fat for eating.
In large parts of Southeast Asia, where Citrus maxima is native, it is a popular dessert, often eaten raw and sprinkled with, or dipped in, a salt mixture. It is eaten in salads and drinks as well.
The fruit is said to have been introduced to Japan by a Cantonese captain in the An'ei era (1772–1781). There are two varieties: a sweet kind with white flesh and a sour kind with pinkish flesh, the latter more likely to be used as an altar decoration than eaten. Pomelos often are eaten in Asia during the mid-autumn festival or mooncake festival.
It is one of the ingredients of "Forbidden Fruit", a liqueur dating back to the early twentieth century that also contains honey and brandy. This liqueur is most famously used in the Dorchester cocktail.
A wide variability was observed in the physical and chemical characteristics of the fruits of various pomelo accessions from Bengal, India.
Pomelo leaves are used for aromatic baths. The essential oil can be extracted from the leaves, peel or seeds of some pomelo species. Oil from the seeds of an inferior pomelo species was used to light opium pipes in Indochina. Perfumes are extracted from the flowers using enfleurage. The moderately heavy and hard timber from pomelo trees can be used to make, among other things, tool handles.
Possible non-hybrid pomelosEdit
The pomelo is one of the original citrus species from which the rest of cultivated citrus have been hybridized, (others being citron, mandarin, and to a lesser extent, papedas and kumquat). In particular, the common orange and the grapefruit are presumed to be naturally occurring hybrids between the pomelo and the mandarin, with the pomelo providing the larger size and greater firmness.
The pomelo is employed today in artificial breeding programs:
- The common sweet orange (Citrus × sinensis) is a pomelo × mandarin hybrid
- The bitter orange (Citrus × aurantium) is another pomelo × mandarin hybrid
- The tangelo is any hybrid between Citrus maxima and a tangerine, it generally has a thicker skin than a tangerine and is less sweet
- 'K–Early' ('Sunrise Tangelo')
- Grapefruit is a pomelo backcross: pomelo × sweet orange (see above) and the grapefruit is a parent to many hybrids:
- 'Minneola': Bowen grapefruit × Dancy tangerine
- 'Orlando' (formerly Take'): Bowen grapefruit × Dancy tangerine(pollen parent)
- 'Nova': Clementine × Orlando tangelo cross
- 'Seminole': Bowen grapefruit × Dancy tangerine
- 'Thornton': tangerine × grapefruit, unspecified
- 'Ugli': mandarine × grapefruit, probable (wild seedling)
- The Oroblanco and Melogold grapefruits are hybrids between Citrus maxima and the grapefruit
- Mandelos: pomelo × mandarine (Citrus maxima)
- Hyuganatsu is a pomelo hybrid
- Pomelo (Pummelo) Citrus maxima
- American Heritage Dictionary, 1973.
- "Shaddock". Britannica Online. Encyclopædia Britannica, Inc. Retrieved 1 January 2017.
- "Pomelo", Oxford English Dictionary.
- "pomelo". Oxford English Dictionary (3rd ed.). Oxford University Press. September 2005. (Subscription or UK public library membership required.)
- Growing the granddaddy of grapefruit, SFGate.com, December 25, 2004
- "Grapefruit". Hort.purdue.edu. Retrieved 2012-05-12.
- "Pummelo". Hort.purdue.edu. Retrieved 2012-01-07.
- "阿久根市： 観光・特産品（ボンタン）". City.akune.kagoshima.jp. Archived from the original on 2011-11-19. Retrieved 2012-01-07.
- Bhowmick, Nilesh; Mani, Arghya; Paul, Prodyut Kumar; Prasanna, V.S.S.V. "PHYSIO-CHEMICAL PROPERTIES OF PUMMELO [CITRUS GRANDIS (L.) OSBECK] GROWN UNDER NORTHERN PARTS OF WEST BENGAL". Journal of Plant Development Sciences. 9 (9): 887.
- Grapefruit–medication interactions: Forbidden fruit or avoidable consequences? CMAJ March 5, 2013 vol. 185 no. 4 First published November 26, 2012, doi: 10.1503/cmaj.120951 David G. Bailey, George Dresser, J. Malcolm O. Arnold, 
- Morton, J. 1987. Tangelo. p. 158–160. In: Fruits of warm climates. Julia F. Morton, Miami, FL. http://www.hort.purdue.edu/newcrop/morton/tangelo.html
MADDI Taklit., Pérez-Román, E., Maiza-Benabdesselam, F. Khettal B., Talon M., Ibanez-Gonzalez V. 2018. New Citrus chloroplast haplotypes revealed by molecular markers using Algerian and Spanish accessions. Genet Resour Crop Evol 65: 2199. https://doi.org/10.1007/s10722-018-0685-7
- Pomelo Nutrition Information from USDA SR 22 database