The Info List - Bitter Orange

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BITTER ORANGE, SEVILLE ORANGE, SOUR ORANGE, BIGARADE ORANGE, or MARMALADE ORANGE refers to a citrus tree (_CITRUS_ × _AURANTIUM_) and its fruit. It is native to southeast Asia, and has been spread by humans to many parts of the world. Wild trees are found near small streams in generally secluded and wooded parts of Florida and The Bahamas after it was introduced to the area from Spain where it had been introduced and cultivated heavily beginning in the 10th century by the Moors .

It is a hybrid between _ Citrus maxima _ (pomelo) and _Citrus reticulata _ (mandarin). Many varieties of bitter orange are used for their essential oil , and are found in perfume , used as a flavoring or as a solvent . The Seville orange variety is used in the production of marmalade .

Bitter orange is also employed in herbal medicine as a stimulant and appetite suppressant , due to its active ingredient, synephrine . Bitter orange supplements have been linked to a number of serious side effects and deaths, and consumer groups advocate that people avoid using the fruit medically.


* 1 Varieties * 2 Cooking

* 3 Herbal stimulant

* 3.1 Similarities to ephedra * 3.2 Drug interactions

* 4 Other uses * 5 References * 6 External links


See also: Citrus taxonomy § Oranges

* _ Citrus × aurantium_ subsp. _amara_ is a spiny evergreen tree native to southern Vietnam , but widely cultivated. It is used as grafting stock for citrus trees, in marmalade, and in liqueur such as triple sec , Grand Marnier and Curaçao . It is also cultivated for the essential oil expressed from the fruit, and for neroli oil and orange flower water , which are distilled from the flowers . * _ Citrus × aurantium_ var. _myrtifolia_ is sometimes considered a separate species, _ Citrus myrtifolia _, the myrtle-leaved orange. A selection known as Chinotto is used for the namesake Italian soda beverage. * _ Citrus × aurantium_ var. _daidai_, Daidai , is used in Chinese medicine and Japanese New Year celebrations. The aromatic flowers are added to tea. * _ Citrus bergamia_, the Bergamot orange , is probably a bitter orange and limetta hybrid; it is cultivated in Italy for the production of bergamot oil, a component of many brands of perfume and tea , especially Earl Grey tea . * _ Citrus × aurantium_ subsp. _currassuviencis_, Laraha , grows on the Caribbean island of Curaçao . The dried peels are used in the creation of Curaçao liqueur .


Seville orange (or _bigarade_) is a widely known, particularly tart orange which is now grown throughout the Mediterranean region. It has a thick, dimpled skin, and is prized for making marmalade, being higher in pectin than the sweet orange , and therefore giving a better set and a higher yield. It is also used in compotes and for orange-flavored liqueurs. Once a year, oranges of this variety are collected from trees in Seville and shipped to Britain to be used in marmalade. However, the fruit is rarely consumed locally in Andalusia . The bitter orange, whole and sectioned. English marmalade is traditionally homemade in the winter months

The Seville orange—when preserved in Caribbean sugar —is the principal ingredient in traditional British marmalade , reflecting the historic Atlantic trading relationship with Portugal and Spain: the earliest recipe for 'marmelat of oranges' dating from 1677. The peel can be used in the production of bitters . The unripe fruit, called _narthangai_, is commonly used in Southern Indian cuisine, especially in Tamil cuisine . It is pickled by cutting it into spirals and stuffing it with salt. The pickle is usually consumed with yoghurt rice called _thayir sadam _. The fresh fruit is also used frequently in _pachadis _.

The Belgian _ Witbier _ (white beer ) is made from wheat beer spiced with the peel of the bitter orange. The Finnish and Swedish use bitter orange peel in gingerbread (_pepparkakor_), some Christmas bread and in _mämmi _. It is also used in the Nordic mulled wine _glögg _. In Greece and Cyprus , the _nerántzi_ or _kitrómilon_, respectively, is one of the most prized fruits used for spoon sweets , and the _C. aurantium_ tree (_nerantziá_ or _kitromiliá_) is a popular ornamental tree . In Albania as well, "nerënxa" or "portokalli i hidhur" is used commonly in spoon sweets . The blossoms are collected fresh to make a prized sweet-smelling aromatic jam ("Bitter orange blossom jam" Morabba Bahar-Narendj), or added to brewing tea.

In Turkey , juice of the ripe fruits can be used as salad dressing, especially in Çukurova region. However, in Iraqi cuisine, a bitter orange or "raranj" in Iraqi is used to compliment dishes like Charred Fish "samak/simach maskouf", tomato stew "morgat tamata", "Qeema", a dish that has the same ingredients as an Iraqi tomato stew, with the addition of minced meat, boiled chikpeas "lablabi", salads as a dressing and pretty much on every single dish you desire to accompany bitter orange with. Iraqis also consume it as a citrus fruit or juice it to make bitter orange juice "'aseer raranj". Throughout Iran (commonly known as narenj), the juice is popularly used as a salad dressing, souring agent in stews and pickles or as a marinade .

In the Americas , the juice from the ripe fruit is used as a marinade for meat in Nicaraguan , Cuban , Dominican and Haitian cooking, as it is in Peruvian ceviche . In Yucatán (Mexico), it is a main ingredient of the cochinita pibil .


Bitter oranges

The extract of bitter orange (and bitter orange peel) has been marketed as dietary supplement purported to act as a weight-loss aid and appetite suppressant . Bitter orange contains the tyramine metabolites _N_-methyltyramine , octopamine and synephrine , substances similar to epinephrine , which act on the α1 adrenergic receptor to constrict blood vessels and increase blood pressure and heart rate . Several low-quality clinical trials have had results of p- Synephrine (alone or in combination with caffeine or some other substances) increasing weight loss slightly.


Following bans on the herbal stimulant ephedra in the U.S. , Canada , and elsewhere, bitter orange has been substituted into "ephedra-free" herbal weight-loss products by dietary supplement manufacturers. Like most dietary supplement ingredients, bitter orange has not undergone formal safety testing, but it is believed to cause the same spectrum of adverse events (harmful side-effects) as ephedra. The U.S. National Center for Complementary and Integrative Health found that "there is currently little evidence that bitter orange is safer to use than ephedra."

Case reports have linked bitter orange supplements to strokes , angina , and ischemic colitis . Following an incident in which a healthy young man suffered a myocardial infarction (heart attack) linked to bitter orange, a case study found that dietary supplement manufacturers had replaced ephedra with its analogs from bitter orange.


Bitter orange may have serious drug interactions with drugs such as statins in a similar way to the long list of grapefruit–drug interactions .


This orange is used as a rootstock in groves of sweet orange. The fruit and leaves make lather and can be used as soap . The hard white or light yellow wood is used in woodworking and made into baseball bats in Cuba .


* ^ "_ Citrus × aurantium_ L.". _Germplasm Resources Information Network_. United States Department of Agriculture. 1999-12-17. Retrieved 2010-01-05. * ^ "The Plant List: A Working List of All Plant Species". Retrieved 29 September 2015. * ^ _A_ _B_ _C_ _D_ _E_ _F_ _C. aurantium_. Purdue Horticulture. * ^ Morton, Julia (1987). _Fruits of warm climates_. Miami: Morton, J. 1987. Sour Orange. p. 130–133. In: Fruits of warm climates. Julia F. Morton, Miami, FL. pp. 130–133. ISBN 0-9610184-1-0 . * ^ TRILLO SAN JOSE, CARMEN (2004). _AGUA Y PAISAJE EN GRANADA: UNA HERENCIA DE AL-ANDALUS._ Granada, Spain: DIP. PROV. DE GRANADA. ISBN 9788478073528 . * ^ " Plant Profile for Citrus ×aurantium L. (pro sp.), http://plants.usda.gov/java/profile?symbol=CIAU8 * ^ Sharpe PA, Granner ML, Conway JM, Ainsworth BE, Dobre M (December 2006). "Availability of weight-loss supplements: Results of an audit of retail outlets in a southeastern city". _Journal of the American Dietetic Association_. 106 (12): 2045–51. PMID 17126636 . doi :10.1016/j.jada.2006.09.014 . * ^ _A_ _B_ "Bitter Orange". National Center for Complementary and Integrative Health . April 2008. Retrieved 2008-11-03. * ^ "Dangerous Supplements: Twelve Supplements You Should Avoid". _Consumer Reports Magazine_. September 2010. * ^ Roger M. Grace. "Cadbury Schweppes Reigns Supreme Over Orange Soda Market". _metnews.com_. * ^ " Citrus bergamia Risso & Poit.". _Germplasm Resources Information Network_. * ^ Campaña de recogida de la naranja amarga. sevilla.org. * ^ Apenas se aprovechará la naranja que se recoja en la capital este año. 20minutos.es. * ^ Henry, Diana (2012). _Salt sugar smoke : how to preserve fruit, vegetables, meat and fish_. London: Mitchell Beazley. ISBN 978-1845336752 . * ^ _A_ _B_ Gange CA, Madias C, Felix-Getzik EM, Weintraub AR, Estes NA (April 2006). "Variant angina associated with bitter orange in a dietary supplement". _ Mayo Clinic Proceedings _. 81 (4): 545–8. PMID 16610576 . doi :10.4065/81.4.545 . * ^ Bui LT, Nguyen DT, Ambrose PJ (January 2006). "Blood pressure and heart rate effects following a single dose of bitter orange". _The Annals of Pharmacotherapy _. 40 (1): 53–7. PMID 16317106 . doi :10.1345/aph.1G488 . * ^ Hess AM, Sullivan DL (March 2005). "Potential for toxicity with use of bitter orange extract and guarana for weight loss". _The Annals of pharmacotherapy_. 39 (3): 574–5. PMID 15657116 . doi :10.1345/aph.1E249 . * ^ Stohs SJ, Preuss HG, Shara M (August 2012). "A review of the human clinical studies involving Citrus aurantium (bitter orange) extract and its primary protoalkaloid p-synephrine." . _Int J Med Sci_. 9 (7): 527–538. PMC 3444973  _. PMID 22991491 . doi :10.7150/ijms.4446 . * ^ Duenwald, Mary (2005-10-11). "Bitter Orange Under Scrutiny as New Ephedra". New York Times _. Retrieved 2008-11-03. * ^ Jordan S, Murty M, Pilon K (October 2004). "Products containing bitter orange or synephrine: suspected cardiovascular adverse reactions" (pdf). _ Canadian Medical Association Journal _. 171 (8): 993–4. PMID 15497209 . * ^ Bouchard NC, Howland MA, Greller HA, Hoffman RS, Nelson LS (April 2005). "Ischemic stroke associated with use of an ephedra-free dietary supplement containing synephrine". _Mayo Clinic Proceedings_. 80 (4): 541–5. PMID 15819293 . doi :10.4065/80.4.541 . * ^ Holmes RO, Tavee J (July 2008). "Vasospasm and stroke attributable to ephedra-free xenadrine: case report". _Military Medicine _. 173 (7): 708–10. PMID 18700609 . * ^ Sultan S, Spector J, Mitchell RM (December 2006). "Ischemic colitis associated with use of a bitter orange-containing dietary weight-loss supplement". _Mayo Clinic Proceedings_. 81 (12): 1630–1. PMID 17165643 . doi :10.4065/81.12.1630 . * ^ Thomas JE, Munir JA, McIntyre PZ, Ferguson MA (2009). "STEMI in a 24-Year-Old Man after Use of a Synephrine-Containing Dietary Supplement: A Case Report and Review of the Literature" . _Tex Heart Inst J_. 36 (6): 586–90. PMC 2801940  . PMID 20069086 . * ^ Mayo clinic: article on interference between grapefruit and medication


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