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''Citrus bergamia'', the bergamot orange (pronounced ), is a fragrant citrus fruit the size of an orange, with a yellow or green color similar to a lime, depending on ripeness. Genetic research into the ancestral origins of extant citrus cultivars found bergamot orange to be a probable hybrid of lemon and bitter orange. Extracts have been used as an aromatic ingredient in food, tea, snus, perfumes, and cosmetics. Use on the skin can increase photosensitivity, resulting in greater damage from sun exposure.


Etymology

The word bergamot is derived from the Italian word , derived either from the Italian town of
Bergamo Bergamo (; lmo, Bèrghem ; from the proto- Germanic elements *''berg +*heim'', the "mountain home") is a city in the alpine Lombardy region of northern Italy, approximately northeast of Milan, and about from Switzerland, the alpine lakes Como ...
or
Ottoman Turkish Ottoman Turkish ( ota, لِسانِ عُثمانى, Lisân-ı Osmânî, ; tr, Osmanlı Türkçesi) was the standardized register of the Turkish language used by the citizens of the Ottoman Empire (14th to 20th centuries CE). It borrowed extens ...
("prince's pear").


Description

''Citrus bergamia'' is a small tree that
blossom In botany, blossoms are the flowers of stone fruit trees (genus ''Prunus'') and of some other plants with a similar appearance that flower profusely for a period of time in spring. Colloquially, flowers of orange are referred to as such as wel ...
s during the winter. The juice tastes less sour than lemon, but more bitter than
grapefruit The grapefruit (''Citrus'' × ''paradisi'') is a subtropical citrus tree known for its relatively large, sour to semi-sweet, somewhat bitter fruit. The interior flesh is segmented and varies in color from pale yellow to dark pink. Grapefruit is ...
.


Phytochemicals

Bergamot fruit or oil contains
flavonoid Flavonoids (or bioflavonoids; from the Latin word ''flavus'', meaning yellow, their color in nature) are a class of polyphenolic secondary metabolites found in plants, and thus commonly consumed in the diets of humans. Chemically, flavonoids ...
s, such as neoeriocitrin, naringin, neohesperidin, ponceritin,
melitidin Melitidin is a flavanone glycoside. Melitidin was discovered in bergamot orange juice and exhibits statin-like properties so the juice seems to have hypolipidemic activity.brutieridin, and bergamottin. Bergamot leaves contain different indole alkaloids, such as N,N,N-trimethyltryptamine.


Taxonomy

The bergamot orange is unrelated to the herbs known as bergamot, wild bergamot, bergamot mint, or bergamint – '' Monarda didyma'', '' Monarda fistulosa'', and Eau de Cologne mint (the taxonomy of which is disputed). Those are all 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). ''Citrus bergamia'' is sometimes confused with (but is not the same as): ''Citrus medica'' – citron, the yellow fruit of which is also known as etrog; or '' Citrus limetta'', the "sweet lemon" or "sweet lime".


Production

The bergamot is a citrus fruit native to southern Italy. Production is mostly limited to the
Ionian Sea The Ionian Sea ( el, Ιόνιο Πέλαγος, ''Iónio Pélagos'' ; it, Mar Ionio ; al, Deti Jon ) is an elongated bay of the Mediterranean Sea. It is connected to the Adriatic Sea to the north, and is bounded by Southern Italy, including C ...
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. The fruit is also produced in Argentina, Brazil, Algeria, the Ivory Coast, Morocco, Tunisia, Turkey, and South-East Asia. Citrus bergamot is commercially grown in southern
Calabria , population_note = , population_blank1_title = , population_blank1 = , demographics_type1 = , demographics1_footnotes = , demographics1_title1 = , demographics1_info1 = , demographics1_title2 ...
( province of Reggio), southern Italy. It is also grown in southern France and the Ivory Coast for the
essential oil An essential oil is a concentrated hydrophobic liquid containing volatile (easily evaporated at normal temperatures) chemical compounds from plants. Essential oils are also known as volatile oils, ethereal oils, aetheroleum, or simply as the o ...
and in Antalya in southern Turkey for its marmalade. The fruit is not generally grown for juice consumption. However, in Mauritius where it is grown on a small-scale basis, it is largely consumed as juice by the locals. One hundred bergamot oranges yield about of bergamot oil. 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 The Stazione Sperimentale per le Industrie delle Essenze e dei Derivati dagli Agrumi (SSEA) (Experimental Station for the Industry of the Essential oils and Citrus products) is a special Agency of the Chamber of Commerce in Reggio Calabria. Overv ...
'' (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. 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 Sweet lemon and Sweet lime refer to groups of citrus hybrids that contain low acid pulp and juice. They are hybrids often similar to non-sweet lemons or limes, but with less citron parentage. Sweet limes and lemons are not sharply separated: ...
.Board, Niir (2011). "Oil of Bergamot." ''The Complete Technology Book of Essential Oils (Aromatic Chemicals)''. p. 75. .


Uses


Tea and other uses

An essence extracted from the aromatic skin of this sour fruit is used to flavour Earl Grey and Lady Grey teas, as well as
confectionery Confectionery is the art of making confections, which are food items that are rich in sugar and carbohydrates. Exact definitions are difficult. In general, however, confectionery is divided into two broad and somewhat overlapping categories ...
(including Turkish delight). Bergamot is one of the most common "casings" (flavorings) added to Swedish snus, a form of smokeless tobacco product.


Fragrance

Bergamot oil is one of the most commonly used ingredients in perfumery. It is prized for its ability to combine with an array of scents to form a bouquet of aromas that complement each other. . . Bergamot is a major component of the original composed by Jean-Marie Farina at the beginning of the 18th century in Germany. The first use of bergamot oil as a fragrance ingredient was recorded in 1714, and can be found in the Farina Archive in Cologne. However, much "Bergamot oil" is today derived instead from eau de Cologne mint, also known as bergamot mint, which is a variety of water mint and is unrelated to citrus.


Toxicology

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). This is a property shared by many other citrus fruits and other members of Rutaceae, including rue.


Skin effects

Used in cosmetics and perfume products, bergamot may cause skin irritation. In the past, psoralen extracted from bergamot oil was used in tanning accelerators and
sunscreen Sunscreen, also known as sunblock or sun cream, is a photoprotective topical product for the skin that mainly absorbs, or to a much lesser extent reflects, some of the sun's ultraviolet (UV) radiation and thus helps protect against sunburn and ...
s. Known to be photocarcinogenic since 1959, the substances nonetheless were used in tanning activators until 1995, contributing to many cases of melanoma and death.


Research

As of 2017, clinical research conducted on bergamot oil has been of poor quality, with no conclusions about its possible biological effects. Consuming bergamot oil as a component of tea may cause muscle cramps. Use on the skin may be unsafe, particularly for children and pregnant women, and may cause rashes resulting from photodermatotoxicity.


References


External links


Bergamot by Citrus Variety Collection of the UCR
* ''Citrus bergamia''
BBC news story on the farming of Bergamot in the Calabria region of Italy

Information about the hard candy ''bergamote de Nancy''
{{DEFAULTSORT:Bergamot Orange Calabria Citrus hybrids Flora of Greece Flora of Iran Citrus Oranges (fruit) Ark of Taste foods