Ammoniacum or gum ammoniac is a gum-

resin A resin is a solid or highly viscous liquid that can be converted into a polymer. Resins may be biological or synthetic in origin, but are typically harvested from plants. Resins are mixtures of organic compounds, predominantly terpenes. Commo ...

exuded from the several perennial

herb Herbs are a widely distributed and widespread group of plants, excluding vegetables, with savory or aromatic properties that are used for flavoring and garnishing food, for medicinal purposes, or for fragrances. Culinary use typically distingu ...

s in the genus ''

Ferula ''Ferula'' (from Latin ''ferula'' ) is a genus of about 220 species of flowering plants in the family Apiaceae, native to the Mediterranean region east to central Asia, mostly growing in arid climates. Many plants of this genus, especially '' F ...

'' of the umbel family (

Apiaceae Apiaceae () or Umbelliferae is a family of mostly aromatic flowering plants named after the type genus ''Apium,'' and commonly known as the celery, carrot, or parsley family, or simply as umbellifers. It is the 16th-largest family of flowering p ...

). There are three types of ammoniacum: the gums ammoniac of Cyrenaica, of Persia (the commercial one today), and of Morocco.

Ammoniac of Cyrenaica

Ammoniacum was first documented in the 1st century by

Dioscorides Pedanius Dioscorides (, ; 40–90 AD), "the father of pharmacognosy", was a Greek physician, pharmacologist, botanist, and author of (in the original , , both meaning "On Materia medica, Medical Material") , a 5-volume Greek encyclopedic phar ...

in his ''

De materia medica (Latin name for the Greek work , , both meaning "On Medical Material") is a pharmacopoeia of medicinal plants and the medicines that can be obtained from them. The five-volume work was written between 50 and 70 CE by Pedanius Dioscorides, ...

''. It got its name from the Temple of Jupiter Ammon in

ancient Libya During the Iron Age and Classical antiquity, ''Libya'' (from Greek :wikt:Λιβύη, Λιβύη: ''Libyē'', which came from Berber language, Berber: ''Libu'') referred to the area of North Africa directly west of the Nile, Nile river (Modern day ...

(located in the

Siwa Oasis The Siwa Oasis ( ) is an urban oasis in Egypt. It is situated between the Qattara Depression and the Great Sand Sea in the Western Desert (Egypt), Western Desert, east of the Egypt–Libya border and from the Egyptian capital city of Cairo. I ...

Egypt Egypt ( , ), officially the Arab Republic of Egypt, is a country spanning the Northeast Africa, northeast corner of Africa and Western Asia, southwest corner of Asia via the Sinai Peninsula. It is bordered by the Mediterranean Sea to northe ...

today) near which it was produced. It is called the gum ammoniac of

Cyrenaica Cyrenaica ( ) or Kyrenaika (, , after the city of Cyrene), is the eastern region of Libya. Cyrenaica includes all of the eastern part of Libya between the 16th and 25th meridians east, including the Kufra District. The coastal region, als ...

to differentiate it from the commercial one used today, and its source plant has been identified as '' Ferula marmarica'' native to

Libya Libya, officially the State of Libya, is a country in the Maghreb region of North Africa. It borders the Mediterranean Sea to the north, Egypt to Egypt–Libya border, the east, Sudan to Libya–Sudan border, the southeast, Chad to Chad–L ...

and Egypt. The export of the gum ammoniac of Cyrenaica to

Europe Europe is a continent located entirely in the Northern Hemisphere and mostly in the Eastern Hemisphere. It is bordered by the Arctic Ocean to the north, the Atlantic Ocean to the west, the Mediterranean Sea to the south, and Asia to the east ...

declined after

Arab Arabs (, , ; , , ) are an ethnic group mainly inhabiting the Arab world in West Asia and North Africa. A significant Arab diaspora is present in various parts of the world. Arabs have been in the Fertile Crescent for thousands of years ...

and Turk domination of the

Middle East The Middle East (term originally coined in English language) is a geopolitical region encompassing the Arabian Peninsula, the Levant, Turkey, Egypt, Iran, and Iraq. The term came into widespread usage by the United Kingdom and western Eur ...

, but probably continued at least until the 18th century, as

Linnaeus Carl Linnaeus (23 May 1707 – 10 January 1778), also known after ennoblement in 1761 as Carl von Linné,#Blunt, Blunt (2004), p. 171. was a Swedish biologist and physician who formalised binomial nomenclature, the modern system of naming o ...

still cited Libya and Egypt as the places of origin of ammoniacum in his ''Materia medica''.

Ammoniac of Persia

The gum ammoniac of

Persia Iran, officially the Islamic Republic of Iran (IRI) and also known as Persia, is a country in West Asia. It borders Iraq to the west, Turkey, Azerbaijan, and Armenia to the northwest, the Caspian Sea to the north, Turkmenistan to the nort ...

gradually replaced the one of Cyrenaica as the commercial ammoniacum exported to Europe. It was probably first mentioned in European literature in 1716 by Michael Bernhard Valentini. Its source plant is '' Ferula ammoniacum'' (syn. ''Dorema ammoniacum'') native to

Iran Iran, officially the Islamic Republic of Iran (IRI) and also known as Persia, is a country in West Asia. It borders Iraq to the west, Turkey, Azerbaijan, and Armenia to the northwest, the Caspian Sea to the north, Turkmenistan to the nort ...

Turkmenistan Turkmenistan is a landlocked country in Central Asia bordered by Kazakhstan to the northwest, Uzbekistan to the north, east and northeast, Afghanistan to the southeast, Iran to the south and southwest and the Caspian Sea to the west. Ash ...

Afghanistan Afghanistan, officially the Islamic Emirate of Afghanistan, is a landlocked country located at the crossroads of Central Asia and South Asia. It is bordered by Pakistan to the Durand Line, east and south, Iran to the Afghanistan–Iran borde ...

and

Pakistan Pakistan, officially the Islamic Republic of Pakistan, is a country in South Asia. It is the List of countries and dependencies by population, fifth-most populous country, with a population of over 241.5 million, having the Islam by country# ...

. The plant grows to the height of 2½ or 3 meters (8 or 9 ft.) and its whole stem is pervaded with a milky juice, which oozes out on an incision being made at any part. This juice quickly hardens into round tears, forming the "tear ammoniacum" of commerce. "Lump ammoniacum", the other form of the substance, consists of aggregations of tears, frequently incorporating fragments of the plant itself, as well as other foreign bodies. Ammoniacum has a faintly fetid,

unpleasant odor An odor (American English) or odour (English in the Commonwealth of Nations, Commonwealth English; American and British English spelling differences#-our, -or, see spelling differences) is a smell or a scent caused by one or more volatilized ...

, which becomes more distinct on heating; externally, it possesses a reddish-yellow appearance, and when the tears or lumps are freshly fractured they exhibit a waxy luster. It is chiefly collected in central

, and comes to the European market by way of

Bombay Mumbai ( ; ), also known as Bombay ( ; its official name until 1995), is the capital city of the Indian States and union territories of India, state of Maharashtra. Mumbai is the financial centre, financial capital and the list of cities i ...

. Ammoniacum is closely related to

asafoetida Asafoetida (; also spelled asafetida) is the dried latex (Natural gum, gum oleoresin) exuded from the rhizome or tap root of several species of ''Ferula'', perennial herbs of the carrot family. It is produced in Iran, Afghanistan, Central As ...

and

galbanum Galbanum is an aromatic gum resin and a product of certain umbelliferous Persian plant species in the genus '' Ferula'', chiefly '' Ferula gummosa'' (synonym ''F. galbaniflua'') and '' Ferula rubricaulis''. Galbanum-yielding plants grow plentif ...

(from which, however, it differs in yielding no

umbelliferone Umbelliferone, also known as 7-hydroxycoumarin, hydrangine, skimmetine, and ''beta''-umbelliferone, is a natural product of the coumarin family. It absorbs ultraviolet light strongly at several wavelengths. There are some indications that this c ...

) both in regard to the plant which yields it and its putative effects.

Ammoniac of Morocco

The gum ammoniac of Morocco first received attention in Europe in 1809 when James Grey Jackson described a plant producing the gum ammoniac of

Barbary The Barbary Coast (also Barbary, Berbery, or Berber Coast) were the coastal regions of central and western North Africa, more specifically, the Maghreb and the Ottoman borderlands consisting of the regencies in Algiers, Tunis, and Tripoli, a ...

. The source plant has been identified as ''

Ferula communis ''Ferula communis'', the giant fennel, is a species of flowering plant in the carrot family Apiaceae. It is related to the common fennel (''Foeniculum vulgare''), which belongs to the same family. ''Ferula communis'' is a tall herbaceous peren ...

'' subsp. ''brevifolia'' native to

Morocco Morocco, officially the Kingdom of Morocco, is a country in the Maghreb region of North Africa. It has coastlines on the Mediterranean Sea to the north and the Atlantic Ocean to the west, and has land borders with Algeria to Algeria–Morocc ...

Algeria Algeria, officially the People's Democratic Republic of Algeria, is a country in the Maghreb region of North Africa. It is bordered to Algeria–Tunisia border, the northeast by Tunisia; to Algeria–Libya border, the east by Libya; to Alger ...

and the

Canary Islands The Canary Islands (; ) or Canaries are an archipelago in the Atlantic Ocean and the southernmost Autonomous communities of Spain, Autonomous Community of Spain. They are located in the northwest of Africa, with the closest point to the cont ...

. Though it has been used by local people as herbal medicine for hundreds of years, it probably has never been commercially important in Europe.

References

{{reflist Resins

Ammoniac of Cyrenaica

Ammoniac of Persia

Ammoniac of Morocco

See also

References