''Ocimum tenuiflorum'', commonly known as holy basil, ''tulsi'' or ''tulasi'',
is an aromatic
perennial
A perennial plant or simply perennial is a plant that lives more than two years. The term ('' per-'' + '' -ennial'', "through the years") is often used to differentiate a plant from shorter-lived annuals and biennials. The term is also wide ...
plant in the family
Lamiaceae
The Lamiaceae ( )
or Labiatae are a family of flowering plants commonly known as the mint, deadnettle or sage family. Many of the plants are aromatic in all parts and include widely used culinary herbs like basil, mint, rosemary, sage, savo ...
. It is native to the
Indian subcontinent
The Indian subcontinent is a physiographical region in Southern Asia. It is situated on the Indian Plate, projecting southwards into the Indian Ocean from the Himalayas. Geopolitically, it includes the countries of Bangladesh, Bhutan, India ...
and widespread as a cultivated plant throughout the
Southeast Asia
Southeast Asia, also spelled South East Asia and South-East Asia, and also known as Southeastern Asia, South-eastern Asia or SEA, is the geographical United Nations geoscheme for Asia#South-eastern Asia, south-eastern region of Asia, consistin ...
n
tropics
The tropics are the regions of Earth surrounding the Equator. They are defined in latitude by the Tropic of Cancer in the Northern Hemisphere at N and the Tropic of Capricorn in
the Southern Hemisphere at S. The tropics are also referred ...
.
''Tulsi'' is cultivated for religious and
traditional medicine
Traditional medicine (also known as indigenous medicine or folk medicine) comprises medical aspects of traditional knowledge that developed over generations within the folk beliefs of various societies, including indigenous peoples, before th ...
purposes, and also for its
essential oil. It is widely used as a
herbal tea
Herbal teas, also known as herbal infusions and less commonly called tisanes (UK and US , US also ), are beverages made from the infusion or decoction of herbs, spices, or other plant material in hot water. Oftentimes herb tea, or the plain term ...
, commonly used in
Ayurveda
Ayurveda () is an alternative medicine system with historical roots in the Indian subcontinent. The theory and practice of Ayurveda is pseudoscientific. Ayurveda is heavily practiced in India and Nepal, where around 80% of the population repor ...
, and has a place within the
Vaishnava
Vaishnavism ( sa, वैष्णवसम्प्रदायः, Vaiṣṇavasampradāyaḥ) is one of the major Hindu denominations along with Shaivism, Shaktism, and Smartism. It is also called Vishnuism since it considers Vishnu as ...
tradition of
Hinduism
Hinduism () is an Indian religion or ''dharma'', a religious and universal order or way of life by which followers abide. As a religion, it is the world's third-largest, with over 1.2–1.35 billion followers, or 15–16% of the global po ...
, in which devotees perform worship involving holy basil plants or leaves.
The variety of ''Ocimum tenuiflorum'' used in
Thai cuisine
Thai cuisine ( th, อาหารไทย, , ) is the national cuisine of Thailand.
Thai cooking places emphasis on lightly prepared dishes with strong aromatic components and a spicy edge. Australian chef David Thompson, an expert on Th ...
is referred to as Thai holy basil ( th, กะเพรา ''kaphrao'') and is the key herb in
phat kaphrao
''Phat kaphrao'' ( th, ผัดกะเพรา, ; ), also spelled ''pad krapow'', ''kaprao'', is one of the most popular Thai à la carte dishes.
History
By some accounts, ''phat kaphrao'' was included as part of Prime Minister Field Mars ...
, a stir-fry dish;
it is not the same as
Thai basil, which is a variety of ''
Ocimum basilicum
Basil (, ; ''Ocimum basilicum'' , also called great basil, is a culinary herb of the family Lamiaceae (mints). It is a tender plant, and is used in cuisines worldwide. In Western cuisine, the generic term "basil" refers to the variety also k ...
''. In Cambodia, it is known as ''mreah-prov'' ( km, ម្រះព្រៅ).
Morphology
Holy basil is an erect, many-branched subshrub, tall with hairy stems. Leaves are green or purple; they are simple,
petioled, with an
ovate
Ovate may refer to:
* Ovate (egg-shaped) leaves, tepals, or other botanical parts
*Ovate, a type of prehistoric stone hand axe
A hand axe (or handaxe or Acheulean hand axe) is a prehistoric stone tool with two faces that is the longest-used ...
blade up to long, which usually has a slightly toothed margin; they are strongly scented and have a
decussate phyllotaxy. The purplish flowers are placed in close whorls on elongated
raceme
A raceme ( or ) or racemoid is an unbranched, indeterminate type of inflorescence bearing flowers having short floral stalks along the shoots that bear the flowers. The oldest flowers grow close to the base and new flowers are produced as the sh ...
s.
The three main
morphotype
In biology, polymorphism is the occurrence of two or more clearly different morphs or forms, also referred to as alternative ''phenotypes'', in the population of a species. To be classified as such, morphs must occupy the same habitat at the s ...
s cultivated in
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 ...
and
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 ma ...
are ''Ram tulsi'' (the most common type, with broad bright green leaves that are slightly sweet), the less common purplish green-leaved (
Krishna
Krishna (; sa, कृष्ण ) is a major deity in Hinduism. He is worshipped as the eighth avatar of Vishnu and also as the Supreme god in his own right. He is the god of protection, compassion, tenderness, and love; and is on ...
or ''Shyam tulsi'') and the common wild ''vana tulsi'' (e.g., ''Ocimum gratissimum'').
Origin and distribution
DNA barcodes of various
biogeographical
Biogeography is the study of the distribution of species and ecosystems in geographic space and through geological time. Organisms and biological communities often vary in a regular fashion along geographic gradients of latitude, elevation, ...
isolates of tulsi from the Indian subcontinent are now available. In a large-scale
phylogeographical study of this species conducted using
chloroplast
A chloroplast () is a type of membrane-bound organelle known as a plastid that conducts photosynthesis mostly in plant and algal cells. The photosynthetic pigment chlorophyll captures the energy from sunlight, converts it, and stores it ...
genome
In the fields of molecular biology and genetics, a genome is all the genetic information of an organism. It consists of nucleotide sequences of DNA (or RNA in RNA viruses). The nuclear genome includes protein-coding genes and non-coding ...
sequences, a group of researchers from
Central University of Punjab,
Bathinda
Bathinda is a city and municipal corporation in Punjab, India. The city is the administrative headquarters of Bathinda District. It is located in northwestern India in the Malwa Region, west of the capital city of Chandigarh and is the fifth ...
, have found that this plant originates from North-Central India.
This basil has now escaped from cultivation and has
naturalised
Naturalization (or naturalisation) is the legal act or process by which a non-citizen of a country may acquire citizenship or nationality of that country. It may be done automatically by a statute, i.e., without any effort on the part of the in ...
into a
cosmopolitan distribution.
Chemical composition
Some of the
phytochemical
Phytochemicals are chemical compounds produced by plants, generally to help them resist fungi, bacteria and plant virus infections, and also consumption by insects and other animals. The name comes . Some phytochemicals have been used as poison ...
constituents of ''tulsi'' are
oleanolic acid,
ursolic acid,
rosmarinic acid,
eugenol
Eugenol is an allyl chain-substituted guaiacol, a member of the allylbenzene class of chemical compounds. It is a colorless to pale yellow, aromatic oily liquid extracted from certain essential oils especially from clove, nutmeg, cinnamon, ...
,
carvacrol,
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 ...
, and
β-caryophyllene (about 8%).
''Tulsi ''essential oil consists mostly of eugenol (~70%)
β-elemene (~11.0%), β-caryophyllene (~8%), and
germacrene (~2%), with the balance being made up of various trace compounds, mostly
terpenes.
Genome sequence
The genome of the tulsi plant has been sequenced and reported as a draft, estimated to be 612 mega bases, with results showing genes for biosynthesis of
anthocyanin
Anthocyanins (), also called anthocyans, are water-soluble vacuolar pigments that, depending on their pH, may appear red, purple, blue, or black. In 1835, the German pharmacist Ludwig Clamor Marquart gave the name Anthokyan to a chemical co ...
s in ''Shyama Tulsi'',
ursolic acid and
eugenol
Eugenol is an allyl chain-substituted guaiacol, a member of the allylbenzene class of chemical compounds. It is a colorless to pale yellow, aromatic oily liquid extracted from certain essential oils especially from clove, nutmeg, cinnamon, ...
in ''Rama Tulsi''.
The
predicted protein
Protein structure prediction is the inference of the three-dimensional structure of a protein from its amino acid sequence—that is, the prediction of its secondary and tertiary structure from primary structure. Structure prediction is different ...
s and other
annotation
An annotation is extra information associated with a particular point in a document or other piece of information. It can be a note that includes a comment or explanation. Annotations are sometimes presented in the margin of book pages. For anno ...
s are available
fro
caps.ncbs.res.in/Ote
Uses
''Tulsi'' (Sanskrit: Surasa) has been used in
Ayurvedic
Ayurveda () is an alternative medicine system with historical roots in the Indian subcontinent. The theory and practice of Ayurveda is pseudoscientific. Ayurveda is heavily practiced in India and Nepal, where around 80% of the population repor ...
and
Siddha
''Siddha'' (Sanskrit: '; "perfected one") is a term that is used widely in Indian religions and culture. It means "one who is accomplished." It refers to perfected masters who have achieved a high degree of physical as well as spiritual ...
practices for its supposed treatment of diseases.
Insect repellent
For centuries, the dried leaves have been mixed with stored grains to repel insects.
Nematicidal
The essential oil may have
nematicidal
A nematicide is a type of chemical pesticide used to kill plant- parasitic nematodes. Nematicides have tended to be broad-spectrum toxicants possessing high volatility or other properties promoting migration through the soil. Aldicarb (Temik), a c ...
properties against ''
Tylenchulus semipenetrans
''Tylenchulus semipenetrans'' (Citrus nematode, Citrus root nematode) is a species of plant pathogenic nematodes and the causal agent of slow decline of citrus. ''T. semipenetrans'' is found in most citrus production areas and diverse soil textu ...
'', ''
Meloidogyne javanica'', ''
Anguina tritici'', and ''
Heterodera cajani''.
Disinfection
Water
disinfection
A disinfectant is a chemical substance or compound used to inactivate or destroy microorganisms on inert surfaces. Disinfection does not necessarily kill all microorganisms, especially resistant bacterial spores; it is less effective than s ...
using ''O. tenuiflorum'' extracts was tested by Bhattacharjee et al 2013 and Sadul et al 2009. Both found an
alcoholic extract
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 ...
to be more effective than
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 ...
or
leaf juice
Juicing is the process of extracting juice from plant tissues such as fruit or vegetables.
Overview
There are many methods of juicing, from squeezing fruit by hand to wide-scale extraction with industrial equipment. Juicing is generally the ...
. Sundaramurthi et al 2012 finds the result to be safe to drink, and additionally to be antimicrobial. A constituent analysis by Sadul found
alkaloid
Alkaloids are a class of basic
BASIC (Beginners' All-purpose Symbolic Instruction Code) is a family of general-purpose, high-level programming languages designed for ease of use. The original version was created by John G. Kemeny and Th ...
s,
steroid
A steroid is a biologically active organic compound with four rings arranged in a specific molecular configuration. Steroids have two principal biological functions: as important components of cell membranes that alter membrane fluidity; and ...
s, and
tannin
Tannins (or tannoids) are a class of astringent, polyphenolic biomolecules that bind to and precipitate proteins and various other organic compounds including amino acids and alkaloids.
The term ''tannin'' (from Anglo-Norman ''tanner ...
s in the aqueous, and alkaloids and steroids only in the alcoholic extract.
Significance in Hinduism
''Tulsi'' is a sacred plant for
Hindus, particularly the
Vaishnavite sect. It is worshipped as the
avatar
Avatar (, ; ), is a concept within Hinduism that in Sanskrit literally means "descent". It signifies the material appearance or incarnation of a powerful deity, goddess or spirit on Earth. The relative verb to "alight, to make one's appeara ...
of
Lakshmi
Lakshmi (; , sometimes spelled Laxmi, ), also known as Shri (, ), is one of the principal goddesses in Hinduism. She is the goddess of wealth, fortune, power, beauty, fertility and prosperity, and associated with ''Maya'' ("Illusion"). Alo ...
, and may be planted in
courtyard
A courtyard or court is a circumscribed area, often surrounded by a building or complex, that is open to the sky.
Courtyards are common elements in both Western and Eastern building patterns and have been used by both ancient and contemporary ...
s of Hindu houses or Hanuman temples.
The ritual lighting of lamps each evening during ''Kartik'' includes the worship of the ''tulsi'' plant.
Vaishnavas followers of Vishnu are known as "those who bear the'' tulsi'' around the neck".
''
Tulsi Vivah'' is a ceremonial festival performed between
Prabodhini Ekadashi (the 11th or 12th lunar day of the bright fortnight of the
Hindu month
The Hindu calendar, Panchanga () or Panjika is one of various lunisolar calendars that are traditionally used in the Indian subcontinent and Southeast Asia, with further regional variations for social and Hindu religious purposes. They adopt a s ...
of
Kartik) and
Kartik Purnima (the full moon of the month).
Every evening, Bengali Hindus place earthen lamps in front of tulsi plants. During the
Kati Bihu festival celebrated in
Assam
Assam (; ) is a state in northeastern India, south of the eastern Himalayas along the Brahmaputra and Barak River valleys. Assam covers an area of . The state is bordered by Bhutan and Arunachal Pradesh to the north; Nagaland and Manipur ...
, people light earthen lamps (''
diya
Diya may refer to:
* ''Diya (film)'', 2018 Tamil- and Telugu-language film
* Diya (Islam), Islamic term for monetary compensation for bodily harm or property damage
* Diya (lamp), ghee- or oil-based candle often used in South Asian religious ceremo ...
'') at the foot of the household tulsi plants and pray.
Gallery
File:Holy Basil in India.jpg, On Deccan Plateau
The large Deccan Plateau in southern India is located between the Western Ghats and the Eastern Ghats, and is loosely defined as the peninsular region between these ranges that is south of the Narmada river. To the north, it is bounded by t ...
, India
File:Tulsi or Tulasi Holy basil.jpg, Leaves and flowers
File:Thulasi.jpg, In a home garden
File:Tulasi Leaf.jpg, Leaves
File:Ocimum tenuiflorum inflorescence closeup.jpg, Inflorescence
File:Ocimum tenuiflorum (Tulsi) Flower.jpeg, Flower
File:Holy Basil flowers.jpg, Flowers
File:ಮನೆ ಅಂಗಳ ತುಳಸಿ ಕಟ್ಟೆ.JPG, Altar with ''tulsi'' plant for daily worship in a courtyard
File:Japa mala (prayer beads) of Tulasi wood with 108 beads - 20040101-01.jpg, Prayer beads
Prayer beads are a form of beadwork used to count the repetitions of prayers, chants, or mantras by members of various religions such as Hinduism, Buddhism, Shinto, Umbanda, Islam, Sikhism, the Baháʼí Faith, and some Christian denominatio ...
made from ''tulsi'' wood
File:Ocimum tenuiflorum2.jpg, Plant shrub
File:Holy Basil (Ocimum tenuiflorum) plant captured at night.jpg, At night
See also
*
Sacred trees
*
Sacred groves
References
External links
{{Taxonbar, from=Q960124
Herbs
tenuiflorum
Plants used in Ayurveda
Flora of tropical Asia
Plants described in 1753
Indian spices
Taxa named by Carl Linnaeus