Basil
Basil (/ˈbæzəl/,[1] also US: /ˈbeɪzəl/;[2] Ocimum basilicum /ˈɒsɪməm bəˈzɪlɪkəm/[3][4]), 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 known as sweet basil or Genovese basil. Basil is native to tropical regions from Central Africa to Southeast Asia.[5] In temperate climates basil is treated as an annual plant, however, basil can be grown as a short-lived perennial or biennial in warmer horticultural zones with tropical or Mediterranean climates.[5]
| Basil | |
|---|---|
| Scientific classification | |
| Kingdom: | Plantae |
| Clade: | Tracheophytes |
| Clade: | Angiosperms |
| Clade: | Eudicots |
| Clade: | Asterids |
| Order: | Lamiales |
| Family: | Lamiaceae |
| Genus: | Ocimum |
| Species: | O. basilicum |
| Binomial name | |
| Ocimum basilicum | |
There are many varieties of basil including sweet basil, Thai basil (O. basilicum var. thyrsiflora), and Mrs. Burns' Lemon (O. basilicum var. citriodora). O. basilicum can cross-pollinate with other species of the Ocimum genus, producing hybrids such as lemon basil (O. × citriodorum) and African blue basil (O. × kilimandscharicum).
Description edit
Basil is an annual, or sometimes perennial, herb used for its leaves. Depending on the variety, plants can reach heights of between 30 and 150 centimetres (1 and 5 feet).[6] Basil leaves are glossy and ovulate, with smooth or slightly toothed edges that typically cup slightly; the leaves are arranged oppositely along the square stems.[7] Leaves may be green or purple. Its flowers are small and white, and grow from a central inflorescence, or spike, that emerges from the central stem atop the plant.[citation needed] Unusual among Lamiaceae, the four stamens and the pistil are not pushed under the upper lip of the corolla, but lie over the inferior lip. After entomophilous pollination, the corolla falls off and four round achenes develop inside the bilabiate calyx.[citation needed]
Phytochemistry edit
The various basils have such distinct scents because the volatile aromatic compounds vary with cultivars.[5] The essential oil from European basil contains high concentrations of linalool and methyl chavicol (estragole), in a ratio of about 3:1.[5][8] Other constituents include: 1,8-cineole, eugenol, and myrcene, among others.[5][9] The clove scent of sweet basil is derived from eugenol.[10] The aroma profile of basil includes 1,8-cineole[11][12] and methyl eugenol.[11][13] In this species eugenol is synthesised from coniferyl acetate and NADPH.[14]
Similar species edit
Some similar species in the same genus may be commonly called "basil", although they are not varieties of Ocimum basilicum.
- Camphor basil, African basil (O. kilimandscharicum)
- Clove basil, also African basil (Ocimum gratissimum)[15][16]
- Holy basil (Ocimum tenuiflorum, formerly known as O. sanctum)[17]
Taxonomy edit
This section needs additional citations for verification. (February 2021) |
The exact taxonomy of basil is uncertain due to the immense number of cultivars, its ready polymorphy, and frequent cross-pollination (resulting in new hybrids) with other members of the genus Ocimum and within the species. Ocimum basilicum has at least 60 varieties, which further complicates taxonomy.[5]
Cultivars edit
Most basils are cultivars of sweet basil. Most basil varieties have green leaves, but a few are purple, such as, 'Purple Delight'.
- Anise basil, Licorice basil, or Persian basil (O. basilicum 'Liquorice')
- Cinnamon basil (Ocimum basilicum 'Cinnamon')
- Dark opal basil (Ocimum basilicum 'Dark Opal')
- Genovese basil or Sweet Basil (Ocimum basilicum)
- Greek basil (Ocimum basilicum var. minimum)
- Globe basil, dwarf basil, French basil (Ocimum basilicum 'Minimum')[18]
- Lettuce leaf basil (Ocimum basilicum 'Crispum')
- Napolitano basil, also known as Napoletano basil, Neapolitan basil, Mammoth basil, Bolloso Napoletano basil, Napolitano Mammoth-Leafed basil, or Italian Large-Leaf basil (Ocimum basilicum)
- Purple basil (Ocimum basilicum 'Purpurescens')
- Rubin basil (Ocimum basilicum 'Rubin')
- Thai basil (Ocimum basilicum thyrsifolium)
Hybrids edit
- African blue basil (Ocimum basilicum × O. kilimandscharicum)
- Lemon basil (Ocimum basilicum × O. americanum)[19][20]
- Spice basil (Ocimum basilicum × O. americanum), which is sometimes sold as holy basil
Etymology edit
The name "basil" comes from the Latin basilius, and the Greek βασιλικόν φυτόν (basilikón phytón), meaning "royal/kingly plant", possibly because the plant was believed to have been used in production of royal perfumes.[21] Basil is likewise sometimes referred to in French as "l'herbe royale" ('the royal herb').[22] The Latin name has been confused with basilisk, as it was supposed to be an antidote to the basilisk's venom.[21]
Distribution and habitat edit
Basil is native to India and other tropical regions stretching from Africa to South East Asia, but has now become globalized due to human cultivation.[5]
Cultivation edit
This section needs additional citations for verification. (February 2021) |
Growing conditions edit
Basil is sensitive to cold, with best growth in hot, dry conditions. It behaves as an annual if there is any chance of a frost. However, due to its popularity, basil is cultivated in many countries around the world. Production areas include countries in the Mediterranean area, those in the temperate zone, and others in subtropical climates.[23][page needed]
In Northern Europe, Canada, the northern states of the U.S., and the South Island of New Zealand, basil grows best if sown under glass in a peat pot, then planted out in late spring/early summer (when there is little chance of a frost); however, it can also thrive when planted outside in these climates. Additionally, it may be sown in soil once chance of frost is past. It fares best in well-drained soil with direct exposure to the sun.[citation needed]
Although basil grows best outdoors, it can be grown indoors in a pot and, like most herbs, will do best on a sun-facing windowsill, kept away from extremely cold drafts. A greenhouse or row cover is ideal if available. It can, however, even be grown in a basement under fluorescent lights. Supplemental lighting produces greater biomass and phenol production, with red + blue specifically increasing growth and flower bud production. UV-B increases the volatiles in O. basilicum essential oil, which has not been reproducible in other plants, and so may be unique to the genus or even to this species.[24]
Basil plants require regular watering, but not as much attention as is needed in other climates. If its leaves have wilted from lack of water, it will recover if watered thoroughly and placed in a sunny location. Yellow leaves towards the bottom of the plant are an indication that the plant has been stressed; usually this means that it needs less water, or less or more fertilizer.[25] Basil can be propagated reliably from cuttings with the stems of short cuttings suspended in water for two weeks or until roots develop.
Pruning, flowering, and seeding edit
Once a stem produces flowers, foliage production stops on that stem, the stem becomes woody, and essential oil production declines. To prevent this, a basil-grower may pinch off any flower stems before they are fully mature. Because only the blooming stem is so affected, some stems can be pinched for leaf production, while others are left to bloom for decoration or seeds. Picking the leaves off the plant helps promote growth, largely because the plant responds by converting pairs of leaflets next to the topmost leaves into new stems.
Once the plant is allowed to flower, it may produce seed pods containing small black seeds, which can be saved and planted the following year. If allowed to go to seed, a basil plant will grow back the next year.
Diseases edit
Basil suffers from several plant pathogens that can ruin the crop and reduce yield. Fusarium wilt is a soil-borne fungal disease that will quickly kill younger basil plants. Seedlings may be killed by Pythium damping off. A common foliar disease of basil is gray mold caused by Botrytis cinerea; it can cause infections post-harvest and is capable of killing the entire plant. Black spot can be seen on basil foliage and is caused by the fungi genus Colletotrichum. Downy mildew caused by Peronospora belbahrii is a significant disease, as first reported in Italy in 2003.[26] It was reported in the Florida in 2007 and by 2008 had spread along the eastern United States, reaching Canada.[27][28] Basil cultivars resistant to P. belbahrii have been developed.[29]
Non-pathogenic bacteria found on basil include Novosphingobium species.[30]
Uses edit
| Nutritional value per 100 g (3.5 oz) | |
|---|---|
| Energy | 94 kJ (22 kcal) |
2.65 g | |
| Sugars | 0.30 g |
| Dietary fiber | 1.6 g |
0.64 g | |
3.15 g | |
| Vitamins | Quantity %DV† |
| Vitamin A equiv. | 33% 264 μg29% 3142 μg |
| Thiamine (B1) | 3% 0.034 mg |
| Riboflavin (B2) | 6% 0.076 mg |
| Niacin (B3) | 6% 0.902 mg |
| Pantothenic acid (B5) | 4% 0.209 mg |
| Vitamin B6 | 12% 0.155 mg |
| Folate (B9) | 17% 68 μg |
| Choline | 2% 11.4 mg |
| Vitamin C | 22% 18.0 mg |
| Vitamin E | 5% 0.80 mg |
| Vitamin K | 395% 414.8 μg |
| Minerals | Quantity %DV† |
| Calcium | 18% 177 mg |
| Copper | 19% 0.385 mg |
| Iron | 24% 3.17 mg |
| Magnesium | 18% 64 mg |
| Manganese | 55% 1.148 mg |
| Phosphorus | 8% 56 mg |
| Potassium | 10% 295 mg |
| Selenium | 0% 0.3 μg |
| Sodium | 0% 4 mg |
| Zinc | 9% 0.81 mg |
| Other constituents | Quantity |
| Water | 92.06 g |
| Betaine | 0.4 mg |
| |
| †Percentages are roughly approximated using US recommendations for adults. Source: USDA FoodData Central | |
Culinary edit
Basil is most commonly used fresh in recipes. In general, it is added last, as cooking quickly destroys the flavor. The fresh herb can be kept for a short time in plastic bags in the refrigerator, or for a longer period in the freezer, after being blanched quickly in boiling water.
Leaves and flowers edit
The most commonly used Mediterranean basil cultivars are "Genovese", "Purple Ruffles", "Mammoth", "Cinnamon", "Lemon", "Globe", and "African Blue". Basil is one of the main ingredients in pesto, an Italian sauce with olive oil and basil as its primary ingredients. Many national cuisines use fresh or dried basils in soups and other foods, such as to thicken soups. Basil is commonly steeped in cream or milk to create flavor in ice cream or chocolate truffles.
Lemon basil has a strong lemony smell and flavor due to the presence of citral. It is widely used in Indonesia, where it is called kemangi and served raw as an accompaniment to meat or fish.
Seeds edit
When soaked in water, the seeds of several basil varieties become gelatinous, and are used in Asian drinks and desserts such as the Indian faluda, the Iranian sharbat-e-rihan, or hột é.[citation needed] In Kashmir, the Ramadan fast is often broken with babre beole, a sharbat made with basil seeds.[31]
Folk medicine edit
Basil is used in folk medicine practices, such as those of Ayurveda or traditional Chinese medicine.[32]: 33–34
Insecticide and insect repellent edit
Studies of the essential oil have shown insecticidal and insect-repelling properties,[33] including potential toxicity to mosquitos.[34] The essential oil is found by Huignard et al. 2008 to inhibit electrical activity by decreasing action potential amplitude, by shortening the post hyperpolarization phase, and reducing the action frequency of action potentials. In Huignard's opinion this is due to the linalool and estragole, the amplitude reduction due to linalool, and the phase shortening due to both.[35]
Callosobruchus maculatus, a pest which affects cowpea, is repelled by the essential oil.[35] The essential oil mixed with kaolin is both an adulticide and an ovicide, effective for three months against C. maculatus in cowpea.[35] The thrips Frankliniella occidentalis and Thrips tabaci are repelled by O. basilicum, making this useful as an insect repellent in other crops.[36] The pests Sitophilus oryzae, Stegobium paniceum, Tribolium castaneum, and Bruchus chinensis are evaluated by Deshpande et al. 1974 and '77.[35]
Nematicide edit
The essential oil is found by Malik et al. 1987 and Sangwan et al. 1990 to be nematicidal against Tylenchulus semipenetrans, Meloidogyne javanica, Anguina tritici, and Heterodera cajani.[37]
Bacterial and fungal inhibition edit
The essential oil of the leaf and/or terminal shoot is effective against a large number of bacterial species including Lactiplantibacillus plantarum and Pseudomonas spp.[38] The essential oil of leaf and/or terminal shoot is also effective against a large number of fungal species including Aspergillus spp., Candida spp., Mucor spp., and Geotrichum candidum.[33][38]
In culture edit
Religion edit
There are many rituals and beliefs associated with basil. The ancient Egyptians and ancient Greeks believed basil would open the gates of heaven for a person passing on.[39][better source needed] However, Herbalist Nicholas Culpeper saw basil as a plant of dread and suspicion.[why?][40]
In Portugal, dwarf bush basil is traditionally presented in a pot, together with a poem and a paper carnation, to a sweetheart, on the religious holidays of John the Baptist (see Saint John's Eve § Portugal) and Saint Anthony of Padua.[citation needed]
Basil has religious significance in the Greek Orthodox Church, where it is used to sprinkle holy water.[41] The Bulgarian Orthodox Church, Serbian Orthodox Church, Macedonian Orthodox Church and Romanian Orthodox Church use basil (Bulgarian: босилек, bosilek; Serbian: босиљак, bosiljak; Macedonian: босилек, bosilek) to prepare holy water and pots of basil are often placed below church altars.[42] Some Greek Orthodox Christians even avoid eating it due to its association with the legend of the Elevation of the Holy Cross.[43]
Art and literature edit
In Giovanni Boccaccio's 14th century Decameron, the fifth story of the narrative's fourth day involves a pot of basil as a central plot device. This famous story inspired John Keats to write his 1814 poem "Isabella, or the Pot of Basil", which was in turn the inspiration for two paintings of the Pre-Raphaelite Brotherhood: John Everett Millais's Isabella in 1849 and in 1868 the Isabella and the Pot of Basil by William Holman Hunt.[citation needed]
See also edit
References edit
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- ^ "American: Basil". Collins Dictionary. from the original on 29 November 2014. Retrieved 25 September 2014.
- ^ "Ocimum". Merriam-Webster.com Dictionary.
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- ^ a b c d e f g Simon, James E (23 February 1998). "Basil". Center for New Crops & Plant Products, Department of Horticulture, Purdue University, West Lafayette, IN. from the original on 2 May 2017. Retrieved 22 January 2018.
- ^ Kandil, M. A. M.; Khatab, M. E.; Ahmed, S. S.; Schnug, E (2009). "Herbal and essential oil yield of Genovese basil (Ocimum basilicum L.) grown with mineral and organic fertilizer sources in Egypt". Journal für Kulturpflanzen. 61 (12): 443–449.
- ^ Britannica, The Editors of Encyclopaedia. "basil (herb)". Encyclopedia Britannica. Retrieved 21 December 2023.
- ^ Lee, Seung-Joo; Umano, Katumi; Shibamoto, Takayuki; Lee, Kwang-Geun (2005). "Identification of Volatile Components in Basil (Ocimum basilicum L.) and Thyme Leaves (Thymus vulgaris L.) and Their Antioxidant Properties". Food Chemistry. 91: 131–137. doi:10.1016/j.foodchem.2004.05.056.
- ^ Eberhard Breitmaier (22 September 2006). Terpenes: Flavors, Fragrances, Pharmaca, Pheromones. John Wiley & Sons. pp. 11–. ISBN 978-3-527-31786-8. from the original on 12 October 2013. Retrieved 2 August 2013.
Acyclic monoterpenoid trienes such as p-myrcene and configurational isomers of p- ocimene are found in the oils of basil (leaves of Ocimum basilicum, Labiatae), bay (leaves of Fimenta acris, Myrtaceae), hops (strobiles of Humulus lupulus, ...
- ^ Md Shahidul Islam (4 February 2011). Transient Receptor Potential Channels. Springer. pp. 50–. ISBN 978-94-007-0265-3. from the original on 12 October 2013. Retrieved 2 August 2013.
Eugenol is a vanilloid contained in relatively high amounts in clove oil from Eugenia caryophyllata, as well as cinnamon leaf oil (Cinnamomum zeylanicum) and oil from the clove basil Ocimum gratissimum. While eugenol is often referred to as ...
- ^ a b Johnson, B. Christopher; et al. (1999). "Substantial UV-B-mediated induction of essential oils in sweet basil (Ocimum basilicum L.)". Phytochemistry. 51 (4): 507–510. Bibcode:1999PChem..51..507J. doi:10.1016/S0031-9422(98)00767-5.
- ^ Baritaux, O.; Richard, H.; Touche, J.; Derbesy, M.; et al. (1992). "Effects of drying and storage of herbs and spices on the essential oil. Part I. Basil, Ocimum basilicum L.". Flavour and Fragrance Journal. 7 (5): 267–271. doi:10.1002/ffj.2730070507.
- ^ Miele, Mariangela; Dondero, R; Ciarallo, G; Mazzei, M; et al. (2001). "Methyleugenol in Ocimum basilicum L. Cv. 'Genovese Gigante'". Journal of Agricultural and Food Chemistry. 49 (1): 517–521. doi:10.1021/jf000865w. PMID 11170620.
- ^ Lin, Jerry; Massonnet, Mélanie; Cantu, Dario (1 July 2019). "The genetic basis of grape and wine aroma". Horticulture Research. Nature + Nanjing Agricultural University. 6 (1): 1–24. doi:10.1038/s41438-019-0163-1. ISSN 2052-7276. PMC 6804543. PMID 31645942.
- ^ Fandohan, P.; Gnonlonfin, B; Laleye, A; Gbenou, JD; Darboux, R; Moudachirou, M; et al. (2008). "Toxicity and gastric tolerance of essential oils from Cymbopogon citratus, Ocimum gratissimum and Ocimum basilicum in Wistar rats". Food and Chemical Toxicology. 46 (7): 2493–2497. doi:10.1016/j.fct.2008.04.006. PMID 18511170.
- ^ Pessoa, L. M.; Morais, SM; Bevilaqua, CM; Luciano, JH (2002). "Anthelmintic activity of essential oil of Ocimum gratissimum Linn. and eugenol against Haemonchus contortus". Veterinary Parasitology. 109 (1–2): 59–63. doi:10.1016/S0304-4017(02)00253-4. PMID 12383625.
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- ^ . ars-grin.gov. Archived from the original on 24 September 2015.
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- ^ Anstice Carroll; Embree De Persiis Vona; Gianna De Persiis Vona (2006). The Dictionary of Wholesome Foods: A Passionate A-to-Z Guide to the Earth's Healthy Offerings, with More Than 140 Delicious, Nutritious Recipes. Da Capo Press. pp. 16–. ISBN 978-1-56924-395-4. from the original on 12 October 2013. Retrieved 2 August 2013.
The name "basil" comes from the Greek word for "king" – so greatly did the Greeks esteem this king of herbs. Herbe royale, the French respectfully call it. In Italy basil serves the goddess Love; a sprig of it worn by a suitor bespeaks his loving ...
- ^ Hiltunen, Raimo; Holm, Yvonne (2 September 2003). Basil: The Genus Ocimum. CRC Press. ISBN 9780203303771. from the original on 18 April 2017.
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- ^ "Yellowing of Basil Leaves". 29 June 2021.
- ^ Garibaldi, A.; Minuto, A.; Minuto, G.; Gullino, M. L. (March 2004). "First Report of Downy Mildew on Basil ( Ocimum basilicum ) in Italy". Plant Disease. 88 (3): 312. doi:10.1094/PDIS.2004.88.3.312A. PMID 30812374.
- ^ Roberts, P. D.; Raid, R. N.; Harmon, P. F.; Jordan, S. A.; Palmateer, A. J. (February 2009). "First Report of Downy Mildew Caused by a Peronospora sp. on Basil in Florida and the United States". Plant Disease. 93 (2): 199. doi:10.1094/PDIS-93-2-0199B. PMID 30764112.
- ^ Wick, R. L.; Brazee, N. J. (March 2009). "First Report of Downy Mildew Caused by a Peronospora Species on Sweet Basil ( Ocimum basilicum ) in Massachusetts". Plant Disease. 93 (3): 318. doi:10.1094/PDIS-93-3-0318B. PMID 30764191.
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External links edit
- Basil: Knowing and Growing from the New York Botanical Garden