Bergamot orange

Bergamot orange
Citrus bergamia
Scientific classification
Kingdom: Plantae
(unranked): Angiosperms
(unranked): Eudicots
(unranked): Rosids
Order: Sapindales
Family: Rutaceae
Genus: Citrus
Species: Citrus bergamia
Binomial name
Citrus bergamia
(Risso)[1]
Synonyms[2]
  • Citrus aurantium subsp. bergamia (Risso & Poit.) Wight & Arn. ex Engl.
  • Citrus aurantium var. bergamia Loisel

Citrus bergamia, the bergamot orange (pronounced /ˈbɜːrɡəˌmɒt/), is a fragrant fruit the size of an orange, with a yellow color similar to a lemon.

Genetic research into the ancestral origins of extant citrus cultivars found bergamot orange to be a probable hybrid of Citrus limetta and Citrus aurantium.[3] Extracts have been used to scent food, perfumes, and cosmetics.[4] Use on the skin can increase photosensitivity, resulting in greater damage from sun exposure; excessive consumption can be toxic.[5]

Etymology

The word bergamot is etymologically derived from the Italian word "bergamotto".[6]

It is related to French bergamote, from Italian bergamotto, of Turkish origin: beg-armudi or beg armut ("prince's pear" or "prince of pears").[7]

Description

Citrus bergamia is a small tree that blossoms during the winter. The juice tastes less sour than lemon, but more bitter than grapefruit.

Chemistry

The active ingredients in bergamot juice are neoeriocitrin, naringin, neohesperidin, ponceritin, melitidin, and brutieridin.[8] Melitidin and brutieridin, only recently discovered, exist only in citrus bergamot, and exhibit statin-like properties.[9] Synephrine is not present in citrus bergamot.

Taxonomy

The bergamot orange is unrelated to the herbs known as bergamot or wild bergamot, Monarda didyma and Monarda fistulosa, which are in the mint family, and are named for their similar aroma.

Citrus bergamia has also been classified as Citrus aurantium subsp. bergamia (i.e. a subspecies of bitter orange).[10]

Citrus bergamia is sometimes confused with (but is not the same as)

Production

A bergamot orange from Calabria, Italy

Production mostly is limited to the Ionian Sea coastal areas of the province of Reggio di Calabria in Italy, to such an extent that it is a symbol of the entire city. Most of the bergamot comes from a short stretch of land there where the temperature is favourable. It is also cultivated in Côte d'Ivoire.

Citrus bergamot is commercially grown in southern Calabria (province of Reggio), southern Italy. It is also grown in southern France[11] and in Côte d'Ivoire for the essential oil and in Antalya in southern Turkey for its marmalade.[12] The fruit is not generally grown for juice consumption.[4] However, in Mauritius where it is grown on small-scale basis, it is largely used for juice consumption by the locals.

One hundred bergamot oranges yield about three ounces (85 g) of bergamot oil.[13]

Bergamot orange tree in Maricopa County, Arizona

Adulteration with cheaper products such as oil of rosewood and bergamot mint has been a problem for consumers. To protect the reputation of their produce, the Italian government introduced tight controls, including testing and certificates of purity. The Stazione Sperimentale per le Industrie delle Essenze e dei Derivati dagli Agrumi (Experimental Station for Essential Oil and Citrus By-Products) located in Reggio di Calabria, was the quality control body for the essential oil Bergamotto di Reggio Calabria DOP.[14] During World War II, Italy was unable to export to countries such as the Allied powers. Rival products from Brazil and Mexico came on to the market as a substitute, but these were produced from other citrus fruits such as sweet lime.[15]

Uses

Food and drink

The fruit of the bergamot orange is edible.(see Bergamot Marmalade)

A jar labelled "Diced bergamot" containing dark brown dried fruits
Bergamot marmalade

An essence extracted from the aromatic skin of this sour fruit is used to flavour Earl Grey and Lady Grey teas,[16] and confectionery (including Turkish delight [17]). It is often used to make marmalade, particularly in Italy. In Sweden and Norway, bergamot is a very common flavourant in snus, a smokeless tobacco product.[18] Likewise in dry nasal snuff, it is also a common aroma in traditional blends.[19][20] Carpentierbe, a company based in San Giorgio Morgeto, near Reggio Calabria, makes a digestiv liqueur derived from bergamot marketed under the name Liquore al Bergamotto.

Fragrance

A vial containing a dark green-brownish oil
Bergamot essential oil

Bergamot peel is used in perfumery for its ability to combine with an array of scents to form a bouquet of aromas which complement each other. About one-third of all men's and about half of women’s perfumes contain bergamot essential oil. Bergamot is a major component of the original Eau de Cologne composed by Farina at the beginning of 18th century in Germany. The first record of bergamot oil as fragrance ingredient is 1714, to be found in the Farina Archive in Cologne.

Bergamot essential oil is popular in aromatherapy.

Toxicology

Patch test

In several patch test studies, application of some sources of bergamot oil directly to the skin of guinea pigs was shown to have a concentration-dependent phototoxic effect of increasing redness after exposure to ultraviolet light (due to the chemical bergapten, and possibly also citropten, bergamottin, geranial, and neral).[21][22] This is a property shared by many other citrus fruits. Bergapten has also been implicated as a potassium channel blocker; in one case study, a patient who consumed four liters of Earl Grey tea per day (which contains bergamot essential oil as a flavouring) suffered muscle cramps.[23]

Bergamot contains extremely large amounts of polyphenols, as compared to other citrus species. Two of these, brutieridin and melitidin, directly inhibit cholesterol biosynthesis in a similar way to statins and they are not found in any other citrus derivatives.[24]

Bergamot is also a source of bergamottin which, along with the chemically related compound 6',7'-dihydroxybergamottin, is believed to be responsible for the grapefruit juice effect in which the consumption of the juice affects the metabolism of a variety of pharmaceutical drugs.[25]

Skin care

Bergamot orange

Bergamot is used in many skin care creams.

In the past, psoralen extracted from bergamot oil has been used in tanning accelerators and sunscreens. These substances were known to be photocarcinogenic since 1959,[26] but they were only banned from sunscreens in 1995.[27] These photocarcinogenic substances were banned years after they had caused many cases of malignant melanoma and deaths.[28]

Psoralen is now used only in the treatment of certain skin disorders, as part of PUVA therapy.

Medicinal properties

The juice of the fruit has been used in Calabrian indigenous medicine to treat malaria.[29]

Evidence is insufficient to indicate bergamot oil is of medical benefit for a variety of claimed uses.[5] Use on the skin can be unsafe, particularly for children and pregnant women.[5] Potential side effects of drinking large amounts of bergamot oil can include convulsions and death in children.[5]

References

  1. ↑ The International Plant Names Index, retrieved 2 June 2015
  2. ↑ Porcher, Michel H.; et al. (1995), Multilingual Multiscript Plant Name Database (M.M.P.N.D): Sorting Citrus Names, The University of Melbourne
  3. ↑ Federici, C.T., Roose, M.L. and Scora, R.W. (2000). RFLP ANALYSIS OF THE ORIGIN OF CITRUS BERGAMIA, CITRUS JAMBHIRI, AND CITRUS LIMONIA. Acta Hortic. 535, 55-64. DOI: 10.17660/ActaHortic.2000.535.6
  4. 1 2 Davidson, Alan. The Oxford Companion to Food (2006). Second Edition. Ed. Tom Jaine. p. 75. ISBN 0192806815.: "The bergamot orange is not edible and is grown only for its fragrant oil, although its peel is sometimes candied."
  5. 1 2 3 4 "BERGAMOT OIL: Uses, Side Effects, Interactions and Warnings". WebMD. Retrieved April 2014. Check date values in: |access-date= (help)
  6. ↑ "Online Etymology Dictionary". etymonline.com.
  7. ↑ "Collins Dictionaries - Free Online". collinsdictionary.com.
  8. ↑ Cappello, AR, Dolce V, Iacopetta D, Martello M, Fiorillo M, Curcio R, Muto L, Dhanyalayam D. (2015). "Bergamot (Citrus bergamia Risso) Flavonoids and Their Potential Benefits in Human Hyperlipidemia and Atherosclerosis: an Overview.". Mini-Reviews in Medicinal Chemistry. 15: 1–11. doi:10.2174/1389557515666150709110222. PMID 26156545.
  9. ↑ Di Donna, Leonardo; De Luca, Giuseppina; Mazzotti, Fabio; Napoli, Anna; Salerno, Raffaele; Taverna, Domenico; Sindona, Giovanni (2009). "Statin-like Principles of Bergamot Fruit: Isolation of 3-Hydroxymethylglutaryl Flavonoid Glycosides". Journal of Natural Products. 72 (7): 1352–1354. doi:10.1021/np900096w. PMID 19572741.
  10. ↑ "USDA Germplasm Resources Information Network entry for Citrus bergamia". United States Department of Agriculture. Retrieved 2011-09-07.
  11. ↑ "Bergamot Orange - Citrus aurantium ssp bergamia". tradewindsfruit.com.
  12. ↑ Aktas, Ali (26 October 2004). "Reçellerin gözdesi, Bergamut(The most prominent marmalade: Bergamot)". ZAMAN. Retrieved 26 April 2012.
  13. ↑ Brannt, William Theodore; Schaedler, Karl. A Practical Treatise on Animal and Vegetable Fats and Oils
  14. ↑ "Decreto 15 novembre 2005 – Designazione della Stazione sperimentale per le industrie delle essenze e dei derivati degli agrumi quale autorità pubblica, incaricata di effettuare i controlli sulla denominazione di origine protetta "Bergamotto di Reggio Calabria", registrata in ambito Unione europea, ai sensi del regolamento (CEE) n. 2081/92" (PDF). ISMEA.
  15. ↑ Board, Niir (2011). "Oil of Bergamot." The Complete Technology Book of Essential Oils (Aromatic Chemicals). p. 75. ISBN 978-81-7833-066-2.
  16. ↑ "Citrus bergamia Risso & Poit.". Germplasm Resources Information Network.
  17. ↑ Garbee, Jenn (2011, January 06). Three generations of Turkish delight in Southern California. Los Angeles Times.
  18. ↑ "Svensktsnus.se". general.se.
  19. ↑ Mohr, Melissa (17 November 2014). "How did we get from snuff to vaping?". OUP Blog. Retrieved 2 March 2016. snuff could be colored and flavored in hundreds of combinations, including orange flower, rose, bergamot, musk, and tonka bean
  20. ↑ "FAQs". Wilsons & Co. (Sharrow) Ltd. Retrieved 2 March 2016. The recipes known only to two members of the Wilson family in each generation since 1737, natural oils such as Bergamot, Attar of Roses, Jasmine and Sandalwood are added in precise measure to delight the nose.
  21. ↑ Girard J, Unkovic J, Delahayes J, Lafille C (1979). "Phototoxicity of Bergamot oil. Comparison between humans and guinea pigs". Dermatologica (in French). 158 (4): 229–43. doi:10.1159/000250763. PMID 428611.
  22. ↑ Kejlova K, Jirova D, Bendova H, Kandarova H, Weidenhoffer Z, Kolarova H, Liebsch M (2007). "Phototoxicity of bergamot oil assessed by in vitro techniques in combination with human patch tests". Toxicology in Vitro. 21 (7): 1298–1303. doi:10.1016/j.tiv.2007.05.016. PMID 17669618.
  23. ↑ Finsterer, J (2002). "Earl Grey tea intoxication". Lancet. 359 (9316): 1484. doi:10.1016/S0140-6736(02)08436-2. PMID 11988248.
  24. ↑ Gucciardi, Anthony. "The Fruit Extract that Fights Cancer, Aging". Wake Up World (blog). Retrieved 12 October 2015.
  25. ↑ Bailey, David G.; Malcolm, J.; Arnold, O.; Spence, J. David (1998). "Grapefruit juice–drug interactions". Br J Clin Pharmacol. 46 (2): 101–110. doi:10.1046/j.1365-2125.1998.00764.x. PMC 1873672Freely accessible. PMID 9723817.
  26. ↑ Urbach, F (1959). "Modification of ultraviolet carcinogenesis by photoactive agents". J Invest Dermatol. 32 (2, Part 2): 373–378. doi:10.1038/jid.1959.63. PMID 13641813.
  27. ↑ Autier P, Dore JF, Schifflers E, et al. (1995). "Melanoma and use of sunscreens: An EORTC case control study in Germany, Belgium and France". Int. J. Cancer. 61 (6): 749–755. doi:10.1002/ijc.2910610602. PMID 7790106.
  28. ↑ Autier, P.; Dore, J.-F.; Cesarini, J.-P.; Boyle, P. (1997). "Should subjects who used psoralen suntan activators be screened for melanoma?" (PDF). Annals of Oncology. 8 (5): 435–437. doi:10.1023/A:1008205513771. ISSN 0923-7534. PMID 9233521. Archived from the original (PDF) on November 27, 2014.
  29. ↑ Krippner, Stanley; Ashwin Budden; Michael Bova; Roberto Galante (September 2004). "The Indigenous Healing Tradition in Calabria, Italy". Proceedings of the Annual Conference for the Study of Shamanism and Alternative Modes of Healing. San Francisco: Chair for Consciousness Studies at Saybrook Graduate School and Research Center. Retrieved 10 February 2009.

Bibliography

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