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Musk (
Persian Persian may refer to: * People and things from Iran, historically called ''Persia'' in the English language ** Persians, the majority ethnic group in Iran, not to be conflated with the Iranic peoples ** Persian language, an Iranian language of the ...
: مشک, ''Mushk'') is a class of aromatic substances commonly used as base notes in
perfume Perfume (, ; french: parfum) is a mixture of fragrant essential oils or aroma compounds (fragrances), fixatives and solvents, usually in liquid form, used to give the human body, animals, food, objects, and living-spaces an agreeable scent. Th ...
ry. They include
gland In animals, a gland is a group of cells in an animal's body that synthesizes substances (such as hormones) for release into the bloodstream (endocrine gland) or into cavities inside the body or its outer surface (exocrine gland). Structure De ...
ular secretions from animals such as the
musk deer Musk deer can refer to any one, or all seven, of the species that make up ''Moschus'', the only extant genus of the family Moschidae. Despite being commonly called deer, they are not true deer belonging to the family Cervidae, but rather their fa ...
, numerous plants emitting similar fragrances, and artificial substances with similar
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 caused by one or more volatilized chemical compounds ...
s. ''Musk'' was a name originally given to a substance with a strong odor obtained from a gland of the musk deer. The substance has been used as a popular perfume fixative since ancient times and is one of the most expensive
animal product An animal product is any material derived from the body of an animal. Examples are fat, flesh, blood, milk, eggs, and lesser known products, such as isinglass and rennet. Animal by-products, as defined by the USDA, are products harvested or man ...
s in the world. The name originates from the Late Greek μόσχος 'moskhos', from Persian 'mushk', similar to
Sanskrit Sanskrit (; attributively , ; nominally , , ) is a classical language belonging to the Indo-Aryan branch of the Indo-European languages. It arose in South Asia after its predecessor languages had diffused there from the northwest in the late ...
मुष्क muṣka ("testicle"), derived from Proto-Indo-European noun ''múh₂s'' meaning "mouse". The deer gland was thought to resemble a
scrotum The scrotum or scrotal sac is an anatomical male reproductive structure located at the base of the penis that consists of a suspended dual-chambered sac of skin and smooth muscle. It is present in most terrestrial male mammals. The scrotum cont ...
. It is applied to various plants and animals of similar smell (e.g.
muskox The muskox (''Ovibos moschatus'', in Latin "musky sheep-ox"), also spelled musk ox and musk-ox, plural muskoxen or musk oxen (in iu, ᐅᒥᖕᒪᒃ, umingmak; in Woods Cree: ), is a hoofed mammal of the family Bovidae. Native to the Arctic, i ...
) and has come to encompass a wide variety of aromatic substances with similar odors, despite their often differing
chemical structure A chemical structure determination includes a chemist's specifying the molecular geometry and, when feasible and necessary, the electronic structure of the target molecule or other solid. Molecular geometry refers to the spatial arrangement of at ...
s and molecular shapes. Natural musk was used extensively in
perfumery Perfume (, ; french: parfum) is a mixture of fragrant essential oils or aroma compounds (fragrances), fixatives and solvents, usually in liquid form, used to give the human body, animals, food, objects, and living-spaces an agreeable scent. Th ...
until the late 19th century when economic and ethical motives led to the adoption of
synthetic musk Synthetic musks are a class of synthetic aroma compounds to emulate the scent of deer musk and other animal musks (castoreum and civet). Synthetic musks have a clean, smooth and sweet scent lacking the fecal notes of animal musks. They are used as ...
, which is now used almost exclusively. The
organic compound In chemistry, organic compounds are generally any chemical compounds that contain carbon-hydrogen or carbon-carbon bonds. Due to carbon's ability to catenate (form chains with other carbon atoms), millions of organic compounds are known. The ...
primarily responsible for the characteristic odor of musk is
muscone Muscone is an organic compound that is the primary contributor to the odor of musk. The chemical structure of muscone was first elucidated by Leopold Ružička. It consists of a 15-membered ring ketone with one methyl substituent in the 3-position ...
. Modern use of natural musk pods occurs in
traditional Chinese medicine Traditional Chinese medicine (TCM) is an alternative medical practice drawn from traditional medicine in China. It has been described as "fraught with pseudoscience", with the majority of its treatments having no logical mechanism of action ...
. TCMs in China, save for specially exempt drugs, use a synthetic version of undisclosed composition created in 1994. The process was given
State Science and Technology Progress Award The State Science and Technology Prizes () are the highest honors conferred by the national government of the People's Republic of China in science and technology, in order to recognize citizens and organizations who have made remarkable contribut ...
First Class in 2015.


Natural sources


Musk deer

The musk deer belongs to the family
Moschidae Moschidae is a family of pecoran even-toed ungulates, containing the musk deer (''Moschus'') and its extinct relatives. They are characterized by long 'saber teeth' instead of horns, antlers or ossicones, modest size (''Moschus'' only reaches ; ...
and lives in
Tibet Tibet (; ''Böd''; ) is a region in East Asia, covering much of the Tibetan Plateau and spanning about . It is the traditional homeland of the Tibetan people. Also resident on the plateau are some other ethnic groups such as Monpa people, ...
,
India India, officially the Republic of India (Hindi: ), is a country in South Asia. It is the seventh-largest country by area, the second-most populous country, and the most populous democracy in the world. Bounded by the Indian Ocean on the so ...
,
Nepal Nepal (; ne, नेपाल ), formerly the Federal Democratic Republic of Nepal ( ne, सङ्घीय लोकतान्त्रिक गणतन्त्र नेपाल ), is a landlocked country in South Asia. It is mai ...
,
Pakistan Pakistan ( ur, ), officially the Islamic Republic of Pakistan ( ur, , label=none), is a country in South Asia. It is the world's List of countries and dependencies by population, fifth-most populous country, with a population of almost 24 ...
,
Afghanistan Afghanistan, officially the Islamic Emirate of Afghanistan,; prs, امارت اسلامی افغانستان is a landlocked country located at the crossroads of Central Asia and South Asia. Referred to as the Heart of Asia, it is bordere ...
,
China China, officially the People's Republic of China (PRC), is a country in East Asia. It is the world's most populous country, with a population exceeding 1.4 billion, slightly ahead of India. China spans the equivalent of five time zones and ...
,
Siberia Siberia ( ; rus, Сибирь, r=Sibir', p=sʲɪˈbʲirʲ, a=Ru-Сибирь.ogg) is an extensive geographical region, constituting all of North Asia, from the Ural Mountains in the west to the Pacific Ocean in the east. It has been a part of ...
,
Mongolia Mongolia; Mongolian script: , , ; lit. "Mongol Nation" or "State of Mongolia" () is a landlocked country in East Asia, bordered by Russia to the north and China to the south. It covers an area of , with a population of just 3.3 million, ...
,
Manchuria Manchuria is an exonym (derived from the endo demonym " Manchu") for a historical and geographic region in Northeast Asia encompassing the entirety of present-day Northeast China (Inner Manchuria) and parts of the Russian Far East (Outer Manc ...
,
Korea Korea ( ko, 한국, or , ) is a peninsular region in East Asia. Since 1945, it has been divided at or near the 38th parallel, with North Korea (Democratic People's Republic of Korea) comprising its northern half and South Korea (Republic o ...
and
North Vietnam North Vietnam, officially the Democratic Republic of Vietnam (DRV; vi, Việt Nam Dân chủ Cộng hòa), was a socialist state supported by the Soviet Union (USSR) and the People's Republic of China (PRC) in Southeast Asia that existed f ...
. The musk pod, a
preputial gland Preputial glands are exocrine glands that are located in the folds of skin front of the genitals of some mammals. They occur in several species, including mice, ferrets, rhinoceroses, and even-toed ungulates and produce pheromones. The glands play ...
in a pouch, or sac, under the skin of the abdomen of the male musk deer, is normally obtained by killing the male deer through traps laid in the wild. Upon drying, the reddish-brown paste inside the musk pod turns into a black
granular material A granular material is a conglomeration of discrete solid, macroscopic particles characterized by a loss of energy whenever the particles interact (the most common example would be friction when grains collide). The constituents that compose gra ...
called "musk grain", which is then tinctured with alcohol. The aroma of the
tincture A tincture is typically an extract of plant or animal material dissolved in ethanol (ethyl alcohol). Solvent concentrations of 25–60% are common, but may run as high as 90%.Groot Handboek Geneeskrachtige Planten by Geert Verhelst In chemistr ...
gives a pleasant odor only after it is considerably diluted. No other natural substance has such a complex aroma associated with so many contradictory descriptions; however, it is usually described abstractly as animalistic, earthy and woody or something akin to the odor of baby's skin. Musk has been a key constituent in many perfumes since its discovery, being held to give a perfume long-lasting power as a fixative. Today, the trade quantity of the natural musk is controlled by
CITES CITES (shorter name for the Convention on International Trade in Endangered Species of Wild Fauna and Flora, also known as the Washington Convention) is a multilateral treaty to protect endangered plants and animals from the threats of interna ...
, but illegal
poaching Poaching has been defined as the illegal hunting or capturing of wild animals, usually associated with land use rights. Poaching was once performed by impoverished peasants for subsistence purposes and to supplement meager diets. It was set a ...
and trading continues.


Other animals

Muskrat The muskrat (''Ondatra zibethicus'') is a medium-sized semiaquatic rodent native to North America and an introduced species in parts of Europe, Asia, and South America. The muskrat is found in wetlands over a wide range of climates and habitat ...
(''Ondatra zibethicus''), a rodent native to
North America North America is a continent in the Northern Hemisphere and almost entirely within the Western Hemisphere. It is bordered to the north by the Arctic Ocean, to the east by the Atlantic Ocean, to the southeast by South America and the Car ...
, has been known since the 17th century to secrete a glandular substance with a musky odor. A chemical means of extracting it was discovered in the 1940s, but it did not prove commercially worthwhile. Glandular substances with musk-like odors are also obtained from the
musk duck The musk duck (''Biziura lobata'') is a highly aquatic, stiff-tailed duck native to southern Australia. It is the only living member of the genus ''Biziura''. An extinct relative, the New Zealand musk duck or de Lautour's duck (''B. delautouri ...
(''Biziura lobata'') of southern
Australia Australia, officially the Commonwealth of Australia, is a Sovereign state, sovereign country comprising the mainland of the Australia (continent), Australian continent, the island of Tasmania, and numerous List of islands of Australia, sma ...
, the
muskox The muskox (''Ovibos moschatus'', in Latin "musky sheep-ox"), also spelled musk ox and musk-ox, plural muskoxen or musk oxen (in iu, ᐅᒥᖕᒪᒃ, umingmak; in Woods Cree: ), is a hoofed mammal of the family Bovidae. Native to the Arctic, i ...
, the
musk shrew The white-toothed shrews or Crocidurinae are one of three subfamilies of the shrew family Soricidae. The outer layer of these shrews' teeth is white, unlike that of the red-toothed shrews. These species are typically found in Africa and souther ...
, the
musk beetle The musk beetle (''Aromia moschata'') is a Eurasian species of longhorn beetle belonging to the subfamily Cerambycinae, tribe Callichromatini. Its name comes from the delicate musky smell it emits when menaced. The beetle has a shell with an ...
(''Aromia moschata''), the
African civet The African civet (''Civettictis civetta'') is a large viverrid native to sub-Saharan Africa, where it is considered common and widely distributed in woodlands and secondary forests. It is listed as Least Concern on the IUCN Red List since 2008 ...
(''Civettictis civetta''), the musk turtle (''Sternotherus odoratus''), the
American alligator The American alligator (''Alligator mississippiensis''), sometimes referred to colloquially as a gator or common alligator, is a large crocodilian reptile native to the Southeastern United States. It is one of the two extant species in the g ...
of
North America North America is a continent in the Northern Hemisphere and almost entirely within the Western Hemisphere. It is bordered to the north by the Arctic Ocean, to the east by the Atlantic Ocean, to the southeast by South America and the Car ...
, lynx musk, ''lungurion'' which, in antiquity, was highly valued, and from several other animals. In
crocodile Crocodiles (family (biology), family Crocodylidae) or true crocodiles are large semiaquatic reptiles that live throughout the tropics in Africa, Asia, the Americas and Australia. The term crocodile is sometimes used even more loosely to inclu ...
s, there are two pairs of musk glands, one pair situated at the corner of the jaw and the other pair in the
cloaca In animal anatomy, a cloaca ( ), plural cloacae ( or ), is the posterior orifice that serves as the only opening for the digestive, reproductive, and urinary tracts (if present) of many vertebrate animals. All amphibians, reptiles and birds, a ...
. Musk glands are also found in snakes.


Plants

Some plants such as ''
Angelica archangelica ''Angelica archangelica'', commonly known as garden angelica, wild celery, and Norwegian angelica, is a biennial plant from the family Apiaceae, a subspecies of which is cultivated for its sweetly scented edible stems and roots. Like several oth ...
'' or ''
Abelmoschus moschatus ''Abelmoschus moschatus'' (Abelmosk, ambrette, annual hibiscus, Bamia Moschata, Galu Gasturi, muskdana, musk mallow, musk okra, ornamental okra, rose mallow, tropical jewel hibiscus, Yorka okra) is an aromatic and medicinal plant in the family Ma ...
'' produce musky-smelling macrocyclic lactone compounds. These compounds are widely used in perfumery as substitutes for animal musk or to alter the smell of a mixture of other musks. The plant sources include the musk flower (''
Mimulus moschatus ''Erythranthe moschata'' is a species of Erythranthe, monkeyflower known by the common names muskflower, musk monkeyflower, and formerly as the common musk, eyebright and musk plant. It was formerly known as ''Mimulus moschatus''. Distribution a ...
'') of western North America, the muskwood (''
Olearia argophylla ''Olearia argophylla'', commonly known as musk daisy-bush, native musk or silver shrub, is a species of flowering plant in the family Asteraceae and is endemic to south-eastern Australia. It is a shrub or tree with silvery branchlets, egg-shap ...
'') of Australia, and the musk seeds (''
Abelmoschus moschatus ''Abelmoschus moschatus'' (Abelmosk, ambrette, annual hibiscus, Bamia Moschata, Galu Gasturi, muskdana, musk mallow, musk okra, ornamental okra, rose mallow, tropical jewel hibiscus, Yorka okra) is an aromatic and medicinal plant in the family Ma ...
'') from India.


Artificial compounds

Since obtaining the deer musk requires killing the
endangered animal An endangered species is a species that is very likely to become extinct in the near future, either worldwide or in a particular political jurisdiction. Endangered species may be at risk due to factors such as habitat loss, poaching and invas ...
, nearly all musk fragrance used in perfumery today is synthetic, sometimes called "white musk". They can be divided into three major classes: aromatic nitro musks, polycyclic musk compounds, and macrocyclic musk compounds. The first two groups have broad uses in industry ranging from
cosmetics Cosmetics are constituted mixtures of chemical compounds derived from either natural sources, or synthetically created ones. Cosmetics have various purposes. Those designed for personal care and skin care can be used to cleanse or protect ...
to
detergent A detergent is a surfactant or a mixture of surfactants with cleansing properties when in dilute solutions. There are a large variety of detergents, a common family being the alkylbenzene sulfonates, which are soap-like compounds that are more ...
s. However, the detection of the first two chemical groups in human and environmental samples as well as their carcinogenic properties initiated a public debate on the use of these compounds and a ban or reduction of their use in many regions of the world. Macrocyclic musk compounds are expected to replace them since these compounds appear to be safer.


Other uses

Musk is often associated with religious significance. In
Islam Islam (; ar, ۘالِإسلَام, , ) is an Abrahamic religions, Abrahamic Monotheism#Islam, monotheistic religion centred primarily around the Quran, a religious text considered by Muslims to be the direct word of God in Islam, God (or ...
for example, musk is considered to be the most fragrant of the scents. It was widely used by the
Islamic Prophet Prophets in Islam ( ar, الأنبياء في الإسلام, translit=al-ʾAnbiyāʾ fī al-ʾIslām) are individuals in Islam who are believed to spread God in Islam, God's message on Earth and to serve as models of ideal human behaviour. So ...
Muhammad Muhammad ( ar, مُحَمَّد;  570 – 8 June 632 Common Era, CE) was an Arab religious, social, and political leader and the founder of Islam. According to Muhammad in Islam, Islamic doctrine, he was a prophet Divine inspiration, di ...
and his companions, thus it is an act of
sunnah In Islam, , also spelled ( ar, سنة), are the traditions and practices of the Islamic prophet Muhammad that constitute a model for Muslims to follow. The sunnah is what all the Muslims of Muhammad's time evidently saw and followed and passed ...
for the
Muslims Muslims ( ar, المسلمون, , ) are people who adhere to Islam, a monotheistic religion belonging to the Abrahamic tradition. They consider the Quran, the foundational religious text of Islam, to be the verbatim word of the God of Abraha ...
. Musk has been used to attract wild animals, including in man-made perfume mixtures. For example, in 2018 Indian authorities used the perfume ''Obsession'' by
Calvin Klein Calvin Richard Klein (born November 19, 1942) is an American fashion designer who launched the company that would later become Calvin Klein Inc., in 1968. In addition to clothing, he also has given his name to a range of perfumes, watches, and ...
to attract and thus trap a wild tiger that had attacked and killed more than a dozen humans.
Musk stick Musk sticks are a popular confection in Australia, available from many different suppliers. They consist of a semi-soft stick of fondant, usually pink, and often extruded with a ridged cross-section in the shape of a star. Their flavour and arom ...
s, which are artificially flavoured with a substance that is reminiscent of musk perfume, are a popular
confection 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 ...
in
Australia Australia, officially the Commonwealth of Australia, is a Sovereign state, sovereign country comprising the mainland of the Australia (continent), Australian continent, the island of Tasmania, and numerous List of islands of Australia, sma ...
.


See also

*
Androstenol Androstenol, also known as 5α-androst-16-en-3α-ol (shortened to 3α,5α-androstenol or 3α-androstenol), is a 16-androstene class steroidal pheromone and neurosteroid in humans and other mammals, notably pigs. It possesses a characteristic musk ...
*
Civetone Civetone is a macrocyclic ketone and the main odorous constituent of civet oil. It is a pheromone sourced from the African civet. It has a strong musky odor that becomes pleasant at extreme dilutions. Civetone is closely related to muscone, the p ...
*
Musk stick Musk sticks are a popular confection in Australia, available from many different suppliers. They consist of a semi-soft stick of fondant, usually pink, and often extruded with a ridged cross-section in the shape of a star. Their flavour and arom ...


Notes

{{EB1911, wstitle=Musk, volume=19, page=90


Further reading

* Borschberg, Peter,
O comércio europeu de almíscar com a Ásia no inicio da edad moderna - The European Musk Trade with Asia in the Early Modern Period
, ''Revista Oriente,'' 5 (2003): 90-9. * Borschberg, Peter, "Der asiatische Moschushandel vom frühen 15. bis zum 17. Jahrhundert", in ''Mirabilia Asiatica'', edited by J. Alves, C. Guillot and R. Ptak. Wiesbaden and Lisbon: Harrassowitz-Fundação Oriente (2003): 65-84. Perfumery Olfaction