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''Laurus nobilis'' is an aromatic
evergreen In botany, an evergreen is a plant which has foliage that remains green and functional through more than one growing season. This also pertains to plants that retain their foliage only in warm climates, and contrasts with deciduous plants, which ...
tree or large shrub with green, glabrous (smooth) leaves. It is in the
flowering plant Flowering plants are plants that bear flowers and fruits, and form the clade Angiospermae (), commonly called angiosperms. They include all forbs (flowering plants without a woody stem), grasses and grass-like plants, a vast majority of ...
family
Lauraceae Lauraceae, or the laurels, is a plant family that includes the true laurel and its closest relatives. This family comprises about 2850 known species in about 45 genera worldwide (Christenhusz & Byng 2016 ). They are dicotyledons, and occur m ...
. It is native to the
Mediterranean region In biogeography, the Mediterranean Basin (; also known as the Mediterranean Region or sometimes Mediterranea) is the region of lands around the Mediterranean Sea that have mostly a Mediterranean climate, with mild to cool, rainy winters and ...
and is used as bay leaf for seasoning in cooking. Its common names include bay tree (esp. United Kingdom), bay laurel, sweet bay, true laurel, Grecian laurel, or simply laurel. ''Laurus nobilis'' figures prominently in classical
Greco-Roman The Greco-Roman civilization (; also Greco-Roman culture; spelled Graeco-Roman in the Commonwealth), as understood by modern scholars and writers, includes the geographical regions and countries that culturally—and so historically—were dir ...
culture. Worldwide, many other kinds of plants in diverse families are also called "bay" or "laurel", generally due to similarity of foliage or aroma to ''Laurus nobilis''.


Description

The laurel is an
evergreen In botany, an evergreen is a plant which has foliage that remains green and functional through more than one growing season. This also pertains to plants that retain their foliage only in warm climates, and contrasts with deciduous plants, which ...
shrub or small
tree In botany, a tree is a perennial plant with an elongated stem, or trunk, usually supporting branches and leaves. In some usages, the definition of a tree may be narrower, including only woody plants with secondary growth, plants that are ...
, variable in size and sometimes reaching tall. The genus ''Laurus'' includes four accepted species, whose diagnostic key characters often overlap. The bay laurel is
dioecious Dioecy (; ; adj. dioecious , ) is a characteristic of a species, meaning that it has distinct individual organisms (unisexual) that produce male or female gametes, either directly (in animals) or indirectly (in seed plants). Dioecious reproducti ...
(
unisexual Dioecy (; ; adj. dioecious , ) is a characteristic of a species, meaning that it has distinct individual organisms (unisexual) that produce male or female gametes, either directly (in animals) or indirectly (in seed plants). Dioecious reproducti ...
), with male and female
flower A flower, sometimes known as a bloom or blossom, is the reproductive structure found in flowering plants (plants of the division Angiospermae). The biological function of a flower is to facilitate reproduction, usually by providing a mechanism ...
s on separate plants. Each flower is pale yellow-green, about diameter, and they are borne in pairs beside a leaf. The leaves are glabrous, long and broad, with an entire (untoothed) margin. On some leaves the margin undulates. The
fruit In botany, a fruit is the seed-bearing structure in flowering plants that is formed from the ovary after flowering. Fruits are the means by which flowering plants (also known as angiosperms) disseminate their seeds. Edible fruits in partic ...
is a small, shiny black berry-like
drupe In botany, a drupe (or stone fruit) is an indehiscent fruit in which an outer fleshy part ( exocarp, or skin, and mesocarp, or flesh) surrounds a single shell (the ''pit'', ''stone'', or '' pyrena'') of hardened endocarp with a seed (''kerne ...
about long that contains one seed.


Ecology

''Laurus nobilis'' is a widespread relict of the laurel forests that originally covered much of the
Mediterranean Basin In biogeography, the Mediterranean Basin (; also known as the Mediterranean Region or sometimes Mediterranea) is the region of lands around the Mediterranean Sea that have mostly a Mediterranean climate, with mild to cool, rainy winters and w ...
when the climate of the region was more humid. With the drying of the Mediterranean during the
Pliocene The Pliocene ( ; also Pleiocene) is the epoch in the geologic time scale that extends from 5.333 million to 2.58sclerophyll plant communities familiar today. Most of the last remaining laurel forests around the Mediterranean are believed to have disappeared approximately ten thousand years ago, although some remnants still persist in the mountains of southern
Turkey Turkey ( tr, Türkiye ), officially the Republic of Türkiye ( tr, Türkiye Cumhuriyeti, links=no ), is a list of transcontinental countries, transcontinental country located mainly on the Anatolia, Anatolian Peninsula in Western Asia, with ...
, northern Syria, southern
Spain , image_flag = Bandera de España.svg , image_coat = Escudo de España (mazonado).svg , national_motto = '' Plus ultra'' ( Latin)(English: "Further Beyond") , national_anthem = (English: "Royal March") , ...
, north-central
Portugal Portugal, officially the Portuguese Republic, In recognized minority languages of Portugal: :* mwl, República Pertuesa is a country located on the Iberian Peninsula, in Southwestern Europe, and whose territory also includes the Macaronesian ...
, northern
Morocco Morocco (),, ) officially the Kingdom of Morocco, is the westernmost country in the Maghreb region of North Africa. It overlooks the Mediterranean Sea to the north and the Atlantic Ocean to the west, and has land borders with Algeria ...
, the
Canary Islands The Canary Islands (; es, Canarias, ), also known informally as the Canaries, are a Spanish autonomous community and archipelago in the Atlantic Ocean, in Macaronesia. At their closest point to the African mainland, they are west of Mo ...
and in
Madeira ) , anthem = ( en, "Anthem of the Autonomous Region of Madeira") , song_type = Regional anthem , image_map=EU-Portugal_with_Madeira_circled.svg , map_alt=Location of Madeira , map_caption=Location of Madeira , subdivision_type=Sovereign st ...
.


Human uses


Food

The plant is the source of several popular herbs and one
spice A spice is a seed, fruit, root, bark, or other plant substance primarily used for flavoring or coloring food. Spices are distinguished from herbs, which are the leaves, flowers, or stems of plants used for flavoring or as a garnish. Spices a ...
used in a wide variety of recipes, particularly among Mediterranean cuisines. Most commonly, the aromatic leaves are added whole to Italian
pasta Pasta (, ; ) is a type of food typically made from an unleavened dough of wheat flour mixed with water or eggs, and formed into sheets or other shapes, then cooked by boiling or baking. Rice flour, or legumes such as beans or lentils, are ...
sauces. They are typically removed from dishes before serving, unless used as a simple garnish. Whole bay leaves have a long
shelf life Shelf life is the length of time that a commodity may be stored without becoming unfit for use, consumption, or sale. In other words, it might refer to whether a commodity should no longer be on a pantry shelf (unfit for use), or no longer on a ...
of about one year, under normal temperature and humidity. Whole bay leaves are used almost exclusively as flavor agents during the food preparation stage. Ground bay leaves, however, can be ingested safely and are often used in
soup Soup is a primarily liquid food, generally served warm or hot (but may be cool or cold), that is made by combining ingredients of meat or vegetables with stock, milk, or water. Hot soups are additionally characterized by boiling soli ...
s and
stocks Stocks are feet restraining devices that were used as a form of corporal punishment and public humiliation. The use of stocks is seen as early as Ancient Greece, where they are described as being in use in Solon's law code. The law describing ...
, as well as being a common addition to a Bloody Mary. Dried laurel berries and pressed leaf oil can both be used as robust spices, and the wood can be burnt for strong smoke flavoring.


Ornamental

''Laurus nobilis'' is widely cultivated as an
ornamental plant Ornamental plants or garden plants are plants that are primarily grown for their beauty but also for qualities such as scent or how they shape physical space. Many flowering plants and garden varieties tend to be specially bred cultivars that ...
in regions with
Mediterranean The Mediterranean Sea is a sea connected to the Atlantic Ocean, surrounded by the Mediterranean Basin and almost completely enclosed by land: on the north by Western and Southern Europe and Anatolia, on the south by North Africa, and on th ...
or
oceanic climate An oceanic climate, also known as a marine climate, is the humid temperate climate sub-type in Köppen classification ''Cfb'', typical of west coasts in higher middle latitudes of continents, generally featuring cool summers and mild winters ...
s, and as a house plant or greenhouse plant in colder regions. It is used in
topiary Topiary is the horticultural practice of training perennial plants by clipping the foliage and twigs of trees, shrubs and subshrubs to develop and maintain clearly defined shapes, whether geometric or fanciful. The term also refers to plants w ...
to create single erect stems with ball-shaped, box-shaped or twisted crowns; also for low hedges. However it is slow-growing and may take several years to reach the desired height. Together with a gold form, ''L. nobilis'' 'Aurea' and a willow-leaved form ''L. nobilis'' f. ''angustifolia'', it has gained the
Royal Horticultural Society The Royal Horticultural Society (RHS), founded in 1804 as the Horticultural Society of London, is the UK's leading gardening charity. The RHS promotes horticulture through its five gardens at Wisley (Surrey), Hyde Hall (Essex), Harlow Carr (No ...
's
Award of Garden Merit The Award of Garden Merit (AGM) is a long-established annual award for plants by the British Royal Horticultural Society (RHS). It is based on assessment of the plants' performance under UK growing conditions. History The Award of Garden Merit ...
. One of the most important pests affecting ornamental laurels is caused by the jumping plant louse ''
Trioza alacris ''Trioza alacris'' is a sap-sucking hemipteran bug in the family ''Triozidae'' which creates galls on the leaves of ''Laurus'' species. It is found in Europe. Description of the gall ''Trioza alacris'' causes the edges of leaves to thicken and r ...
'', which induces the curling and thickening of the edge of the leaves for the development of the insect's
nymphs A nymph ( grc, νύμφη, nýmphē, el, script=Latn, nímfi, label=Modern Greek; , ) in ancient Greek folklore is a minor female nature deity. Different from Greek goddesses, nymphs are generally regarded as personifications of nature, are ty ...
, eventually creating a necrosed gall. The species is also affected by the
scale insect Scale insects are small insects of the order Hemiptera, suborder Sternorrhyncha. Of dramatically variable appearance and extreme sexual dimorphism, they comprise the infraorder Coccomorpha which is considered a more convenient grouping than th ...
''
Coccus hesperidum ''Coccus hesperidum'' is a soft scale insect in the family Coccidae with a wide host range. It is commonly known as brown soft scale. It has a cosmopolitan distribution and feeds on many different host plants. It is an agricultural pest, particu ...
''.


Alternative medicine

In herbal medicine,
aqueous An aqueous solution is a solution in which the solvent is water. It is mostly shown in chemical equations by appending (aq) to the relevant chemical formula. For example, a solution of table salt, or sodium chloride (NaCl), in water would ...
extract An extract is a substance made by extracting a part of a raw material, often by using a solvent such as ethanol, oil or water. Extracts may be sold as tinctures, absolutes or in powder form. The aromatic principles of many spices, nuts ...
s of bay laurel have been used as an astringent and salve for open wounds.. It is also used in massage therapy and
aromatherapy Aromatherapy is based on the usage of aromatic materials including essential oils and other aroma compounds, with claims for improving psychological and physical well-being. It is offered as a complementary therapy or as a form of alternative ...
. A folk remedy for rashes caused by poison ivy, poison oak, and
stinging nettle ''Urtica dioica'', often known as common nettle, burn nettle, stinging nettle (although not all plants of this species sting) or nettle leaf, or just a nettle or stinger, is a herbaceous perennial flowering plant in the family Urticaceae. O ...
is a
poultice A poultice, also called a cataplasm, is a soft moist mass, often heated and medicated, that is spread on cloth and placed over the skin to treat an aching, inflamed, or painful part of the body. It can be used on wounds, such as cuts. 'Poultice ...
soaked in boiled bay leaves. The Roman naturalist
Pliny the Elder Gaius Plinius Secundus (AD 23/2479), called Pliny the Elder (), was a Roman author, naturalist and natural philosopher, and naval and army commander of the early Roman Empire, and a friend of the emperor Vespasian. He wrote the encyclopedic ...
listed a variety of conditions which laurel oil was supposed to treat: paralysis, spasms,
sciatica Sciatica is pain going down the leg from the lower back. This pain may go down the back, outside, or front of the leg. Onset is often sudden following activities like heavy lifting, though gradual onset may also occur. The pain is often described ...
, bruises, headaches,
catarrh Catarrh is an exudate of inflamed mucous membranes in one of the airways or cavities of the body, usually with reference to the throat and paranasal sinuses. It can result in a thick exudate of mucus and white blood cells caused by the swellin ...
s, ear infections, and rheumatism.


Other uses

Laurel oil is a secondary ingredient, and the distinguishing fragrant characteristic of
Aleppo soap Aleppo soap (also known as savon d'Alep, laurel soap, Syrian soap, or ghar soap, the Arabic word "غَار", meaning 'laurel') is a handmade, hard bar soap associated with the city of Aleppo, Syria. Aleppo soap is classified as a Castile soap as ...
.


Symbolism


Ancient Greece

In
ancient Greece Ancient Greece ( el, Ἑλλάς, Hellás) was a northeastern Mediterranean civilization, existing from the Greek Dark Ages of the 12th–9th centuries BC to the end of classical antiquity ( AD 600), that comprised a loose collection of cult ...
, the plant was called ''daphne'', after the mythic mountain nymph of the same name. In the myth of Apollo and Daphne, the god
Apollo Apollo, grc, Ἀπόλλωνος, Apóllōnos, label=genitive , ; , grc-dor, Ἀπέλλων, Apéllōn, ; grc, Ἀπείλων, Apeílōn, label=Arcadocypriot Greek, ; grc-aeo, Ἄπλουν, Áploun, la, Apollō, la, Apollinis, label= ...
fell in love with Daphne, a priestess of
Gaia In Greek mythology, Gaia (; from Ancient Greek , a poetical form of , 'land' or 'earth'),, , . also spelled Gaea , is the personification of the Earth and one of the Greek primordial deities. Gaia is the ancestral mother—sometimes parthe ...
(Mother Earth), and when he tried to seduce her she pleaded for help to Gaia, who transported her to
Crete Crete ( el, Κρήτη, translit=, Modern: , Ancient: ) is the largest and most populous of the Greek islands, the 88th largest island in the world and the fifth largest island in the Mediterranean Sea, after Sicily, Sardinia, Cypru ...
. In Daphne's place Gaia left a laurel tree, from which Apollo fashioned wreaths to console himself. Other versions of the myth, including that of the Roman poet
Ovid Pūblius Ovidius Nāsō (; 20 March 43 BC – 17/18 AD), known in English as Ovid ( ), was a Roman poet who lived during the reign of Augustus. He was a contemporary of the older Virgil and Horace, with whom he is often ranked as one of the ...
, state that Daphne was transformed directly into a laurel tree. Bay laurel was used to fashion the
laurel wreath A laurel wreath is a round wreath made of connected branches and leaves of the bay laurel (), an aromatic broadleaf evergreen, or later from spineless butcher's broom ('' Ruscus hypoglossum'') or cherry laurel ('' Prunus laurocerasus''). It is a ...
of ancient Greece, a symbol of highest status. A wreath of bay laurels was given as the prize at the
Pythian Games The Pythian Games ( grc-gre, Πύθια;) were one of the four Panhellenic Games of Ancient Greece. They were held in honour of Apollo at his sanctuary at Delphi every four years, two years after the Olympic Games, and between each Nemean and ...
because the games were in honor of Apollo, and the laurel was one of his symbols. According to the poet
Lucian Lucian of Samosata, '; la, Lucianus Samosatensis ( 125 – after 180) was a Hellenized Syrian satirist, rhetorician and pamphleteer who is best known for his characteristic tongue-in-cheek style, with which he frequently ridiculed superstiti ...
, the priestess of Apollo known as the
Pythia Pythia (; grc, Πυθία ) was the name of the high priestess of the Temple of Apollo at Delphi. She specifically served as its oracle and was known as the Oracle of Delphi. Her title was also historically glossed in English as the Pythone ...
reputedly chewed laurel leaves from a sacred tree growing inside the temple to induce the ''enthusiasmos'' (trance) from which she uttered the oracular prophecies for which she was famous. Some accounts starting in the fourth century BC describe her as shaking a
laurel branch A laurel wreath is a round wreath made of connected branches and leaves of the bay laurel (), an aromatic broadleaf evergreen, or later from spineless butcher's broom (''Ruscus hypoglossum'') or cherry laurel (''Prunus laurocerasus''). It is a s ...
while delivering her prophecies. Those who received promising omens from the Pythia were crowned with laurel wreaths as a symbol of Apollo's favor.


Rome

The symbolism carried over to Roman culture, which held the laurel as a symbol of victory. It was also associated with immortality, with ritual purification, prosperity and health. It is also the source of the words '' baccalaureate'' and ''
poet laureate A poet laureate (plural: poets laureate) is a poet officially appointed by a government or conferring institution, typically expected to compose poems for special events and occasions. Albertino Mussato of Padua and Francesco Petrarca (Petrarch ...
'', as well as the expressions "assume the laurel" and "resting on one's laurels".
Pliny the Elder Gaius Plinius Secundus (AD 23/2479), called Pliny the Elder (), was a Roman author, naturalist and natural philosopher, and naval and army commander of the early Roman Empire, and a friend of the emperor Vespasian. He wrote the encyclopedic ...
stated that the Laurel was not permitted for "profane" uses – lighting it on fire at altars "for the propitiation of divinities" was strictly forbidden, because "...it is very evident that the laurel protests against such usage by crackling as it does in the fire, thus, in a manner, giving expression to its abhorrence of such treatment." Laurel was closely associated with the Roman Emperors, beginning with
Augustus Caesar Augustus (born Gaius Octavius; 23 September 63 BC – 19 August AD 14), also known as Octavian, was the first Roman emperor; he reigned from 27 BC until his death in AD 14. He is known for being the founder of the Roman Pr ...
. Two Laurel trees flanked the entrance to Augustus' house on the
Palatine Hill The Palatine Hill (; la, Collis Palatium or Mons Palatinus; it, Palatino ), which relative to the seven hills of Rome is the centremost, is one of the most ancient parts of the city and has been called "the first nucleus of the Roman Empire." ...
in Rome, which itself was connected to the Temple of Apollo Palatinus, which Augustus had built. Thus, the laurels had the dual purpose of advertising Augustus' victory in the Civil Wars and his close association with Apollo.
Suetonius Gaius Suetonius Tranquillus (), commonly referred to as Suetonius ( ; c. AD 69 – after AD 122), was a Roman historian who wrote during the early Imperial era of the Roman Empire. His most important surviving work is a set of biographies ...
relates the story of Augustus' wife, and Rome's first Empress,
Livia Livia Drusilla (30 January 59 BC – 28 September AD 29) was a Roman empress from 27 BC to AD 14 as the wife of Emperor Augustus Caesar. She was known as Julia Augusta after her formal adoption into the Julian family in AD 14. Livia was the da ...
, who planted a sprig of laurel on the grounds of her
villa A villa is a type of house that was originally an ancient Roman upper class country house. Since its origins in the Roman villa, the idea and function of a villa have evolved considerably. After the fall of the Roman Republic, villas became s ...
at Prima Porta after an eagle dropped a hen with the sprig clutched in its beak onto her lap. The sprig grew into a full-size tree which fostered an entire grove of laurel trees, which were in turn added to by subsequent Emperors when they celebrated a triumph. The Emperors in the Julio-Claudian dynasty all sourced their
Laurel wreath A laurel wreath is a round wreath made of connected branches and leaves of the bay laurel (), an aromatic broadleaf evergreen, or later from spineless butcher's broom ('' Ruscus hypoglossum'') or cherry laurel ('' Prunus laurocerasus''). It is a ...
s from the original tree planted by Livia. It was taken as an omen of the impending end of the Julio-Claudian dynasty that in the reign of
Nero Nero Claudius Caesar Augustus Germanicus ( ; born Lucius Domitius Ahenobarbus; 15 December AD 37 – 9 June AD 68), was the fifth Roman emperor and final emperor of the Julio-Claudian dynasty, reigning from AD 54 unt ...
the entire grove died, shortly before he was assassinated. Rome's second Emperor
Tiberius Tiberius Julius Caesar Augustus (; 16 November 42 BC – 16 March AD 37) was the second Roman emperor. He reigned from AD 14 until 37, succeeding his stepfather, the first Roman emperor Augustus. Tiberius was born in Rome in 42 BC. His father ...
wore wreaths of laurel whenever there was stormy weather because it was widely believed that Laurel trees were immune to lightning strikes, affording protection to those who brandished it. One reason for this belief is because laurel does not burn easily and crackles loudly when on fire. It led ancient Romans to believe the plant was inhabited by a "heavenly fire demon", and was therefore "immune" from outer threats like fire or lightning. In modern Italy laurel wreaths are worn as a crown by graduating school students.


East Asia

An early Chinese etiological myth for the phases of the moon involved a great forest or tree which quickly grew and lost its leaves and flowers every month. After the Sui and Tang
dynasties A dynasty is a sequence of rulers from the same family,''Oxford English Dictionary'', "dynasty, ''n''." Oxford University Press (Oxford), 1897. usually in the context of a monarchical system, but sometimes also appearing in republics. A ...
, this was sometimes connected to a woodsman named Wu Gang, sentenced to cut at a self-repairing tree as a punishment for varying offenses. The tree was originally identified as a (''guì'') and described in the terms of the osmanthus (''Osmanthus fragrans'', now known in Chinese as the or "''gui'' flower"), whose blossoms are still used to flavor
wine Wine is an alcoholic drink typically made from fermented grapes. Yeast consumes the sugar in the grapes and converts it to ethanol and carbon dioxide, releasing heat in the process. Different varieties of grapes and strains of yeasts are ...
and confections for the
Mid-Autumn Festival The Mid-Autumn Festival (Chinese language, Chinese: / ), also known as the Moon Festival or Mooncake Festival, is a traditional festival celebrated in Chinese culture. Similar holidays are celebrated in Japan (), Korea (), Vietnam (), and othe ...
. However, in English, it is often associated with the more well-known cassia (''Cinnamomum cassia'', now known in Chinese as the or "meat ''gui''") while, in modern Chinese, it has instead become associated with the Mediterranean laurel. By the
Qing dynasty The Qing dynasty ( ), officially the Great Qing,, was a Manchu-led imperial dynasty of China and the last orthodox dynasty in Chinese history. It emerged from the Later Jin dynasty founded by the Jianzhou Jurchens, a Tungusic-speak ...
, the '' chengyu'' "pluck osmanthus in the
Toad Toad is a common name for certain frogs, especially of the family Bufonidae, that are characterized by dry, leathery skin, short legs, and large bumps covering the parotoid glands. A distinction between frogs and toads is not made in scient ...
Palace" (, ''Chángōng zhé guì'') meant passing the
imperial examination The imperial examination (; lit. "subject recommendation") refers to a civil-service examination system in Imperial China, administered for the purpose of selecting candidates for the state bureaucracy. The concept of choosing bureaucrats by ...
s,Brendon, Juliet & al. ''The Moon Year: A Record of Chinese Customs and Festivals''
p. 410
Kelly & Walsh, 1927. Reprinted Routledge (Abingdon), 2011. Accessed 13 November 2013.
which were held around the time of the lunar festival. The similar association in Europe of laurels with victory and success led to its translation into Chinese as the or "Moon ''gui''".


Finland

The laurel leaves in the coat of arms of Kaskinen,
Finland Finland ( fi, Suomi ; sv, Finland ), officially the Republic of Finland (; ), is a Nordic country in Northern Europe. It shares land borders with Sweden to the northwest, Norway to the north, and Russia to the east, with the Gulf of Bo ...
( sv, Kaskö) may have been meant to refer to local flowering, but its origin may also be in the name of the family Bladh ( sv, blad; ‘leaf’); two members of the family - a father and a son - acquired both
town rights Town privileges or borough rights were important features of European towns during most of the second millennium. The city law customary in Central Europe probably dates back to Italian models, which in turn were oriented towards the traditio ...
and the status of staple town for the village at the time.


Chemical constituents

The most abundant component found in laurel essential oil is
1,8-cineole Eucalyptol is a monoterpenoid. A colorless liquid, it is a bicyclic ether. Eucalyptol has a fresh mint-like smell and a spicy, cooling taste. It is insoluble in water, but miscible with organic solvents. Eucalyptol makes up ~70% - 90% of eucaly ...
, also called eucalyptol. The leaves contain about 1.3% essential oils (''ol. lauri folii''), consisting of 45% eucalyptol, 12% other
terpene Terpenes () are a class of natural products consisting of compounds with the formula (C5H8)n for n > 1. Comprising more than 30,000 compounds, these unsaturated hydrocarbons are produced predominantly by plants, particularly conifers. Terpenes ar ...
s, 8–12% terpinyl acetate, 3–4%
sesquiterpene Sesquiterpenes are a class of terpenes that consist of three isoprene units and often have the molecular formula C15H24. Like monoterpenes, sesquiterpenes may be cyclic or contain rings, including many unique combinations. Biochemical modifica ...
s, 3% methyleugenol, and other α- and β-
pinene Pinene is a collection of unsaturated bicyclic monoterpenes. Two geometric isomers of pinene are found in nature, α-pinene and β-pinene. Both are chiral. As the name suggests, pinenes are found in pines. Specifically, pinene is the major co ...
s, phellandrene,
linalool Linalool () refers to two enantiomers of a naturally occurring terpene alcohol found in many flowers and spice plants. Linalool has multiple commercial applications, the majority of which are based on its pleasant scent (floral, with a touch o ...
,
geraniol Geraniol is a monoterpenoid and an alcohol. It is the primary component of citronella oil and is a primary component of rose oil, palmarosa oil. It is a colorless oil, although commercial samples can appear yellow. It has low solubility in w ...
, and terpineol. It contains lauric acid also. Both essential and fatty oils are present in the fruit. The fruit is pressed and water-extracted to obtain these products. The fruit contains up to 30% fatty oils and about 1% essential oils (terpenes, sesquiterpenes, alcohols, and
ketone In organic chemistry, a ketone is a functional group with the structure R–C(=O)–R', where R and R' can be a variety of carbon-containing substituents. Ketones contain a carbonyl group –C(=O)– (which contains a carbon-oxygen double bon ...
s). This laurel oil is the characteristic ingredient of
Aleppo soap Aleppo soap (also known as savon d'Alep, laurel soap, Syrian soap, or ghar soap, the Arabic word "غَار", meaning 'laurel') is a handmade, hard bar soap associated with the city of Aleppo, Syria. Aleppo soap is classified as a Castile soap as ...
. The chemical compound lauroside B has been isolated from ''Laurus nobilis''.


See also

*
Cherry laurel ''Prunus'' subg. ''Padus'' is a subgenus of '' Prunus'', characterised by having racemose inflorescences. ''Padus'' was originally a distinct genus, but genetic and morphological studies have shown that ''Padus'' is polyphyletic. It has been p ...
* California bay laurel * Mountain laurel * Spotted laurel


References


External links

*
MeSH
''Laurus'' – ''Laurus nobilis'' (Bay Laurel)
PubMed search
"Laurus" AJR
''Laurus nobilis''
Israel Wildflowers and native plants {{Authority control Lauraceae Flora of North Africa Trees of Africa Trees of Europe Trees of Mediterranean climate Medicinal plants of Africa Medicinal plants of Europe Herbs Indian spices Plants described in 1753 Taxa named by Carl Linnaeus Garden plants of Europe Drought-tolerant plants Ornamental trees Flora of Malta Flora of the Mediterranean Basin