Basil

Basil
Scientific classification
Kingdom: Plantae
(unranked): Angiosperms
(unranked): Eudicots
(unranked): Asterids
Order: Lamiales
Family: Lamiaceae
Genus: Ocimum
Species: O. basilicum
Binomial name
Ocimum basilicum
L.

Basil UK: /ˈbæzəl/;[1] US: /ˈbeɪzəl/[2] (Ocimum basilicum), also called great basil or Saint-Joseph's-wort, is a culinary herb of the family Lamiaceae (mints). It is also called the "king of herbs" and the "royal herb". The name "basil" comes from Greek βασιλικόν φυτόν (basilikón phutón), "royal/kingly plant".[3]

Basil is possibly native to India,[4] and has been cultivated there for more than 5,000 years.[5] It was thoroughly familiar to the Greek authors Theophrastus[6] and Dioscorides. It is a tender plant, best known as a culinary herb prominently featured in Italian cuisine, and also plays a major role in Southeast Asian cuisines of Indonesia, Thailand, Malaysia, Vietnam, Cambodia, Laos, and Taiwan. Depending on the species and cultivar, the leaves may taste somewhat like anise, with a strong, pungent, often sweet smell.

There are many varieties of Ocimum basilicum, as well as several related species or species hybrids also called basil. The type used in Italian food is typically called sweet basil (or Genovese basil), as opposed to Thai basil (O. basilicum var. thyrsiflora), lemon basil (O. × citriodorum), and holy basil (Ocimum tenuiflorum), which are used in Asia. While most common varieties of basil are treated as annuals, some are perennial in warm, tropical climates, including holy basil and a cultivar known as "African blue basil".

Etymology

The word basil comes from the Greek βασιλεύς (basileus), meaning "king",[7] as it has come to be associated with the Feast of the Cross commemorating the finding of the True Cross by St. Helena, mother of the emperor Constantine I.[8] The herbalist John Gerard noted that those stung by scorpions would feel no pain if they ate basil,[9] and Nicholas Culpeper noted of basil that it was "an herb of Mars and under the Scorpion, and therefore called Basilicon",[10] relating it to basilisk. The Oxford English Dictionary quotes speculations that basil may have been used in "some royal unguent, bath, or medicine". Basil is still considered the "king of herbs" by many cookery authors.[11]

Nomenclature and taxonomy

Most commercially available basils are cultivars of sweet basil. There are over 160 named cultivars available, with new ones appearing every year. There are also a number of species sold. Here are some basils commonly sold in the US.[5]

For a more complete list, see List of basil cultivars

Hybrids

Similar species

Culinary use

Dried basil leaves
Basil, fresh
Nutritional value per 100 g (3.5 oz)
Energy 94 kJ (22 kcal)
2.65 g
Dietary fiber 1.6 g
0.64 g
3.15 g
Vitamins
Vitamin A equiv.
(33%)

264 μg

(29%)
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
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
(6%)

295 mg

Selenium
(0%)

0.3 μg

Sodium
(0%)

4 mg

Zinc
(9%)

0.81 mg

Other constituents
Water 92.06 g
Percentages are roughly approximated using US recommendations for adults.
Source: USDA Nutrient Database

Basil is most commonly used fresh in recipes. In general, it is added at the last moment, 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. The dried herb also loses most of its flavor, and what little flavor remains tastes very different, with a weak coumarin flavor, like hay.

Basil is one of the main ingredients in pesto—a green Italian oil-and-herb sauce.

The most commonly used Mediterranean basil cultivars are "Genovese", "Purple Ruffles", "Mammoth", "Cinnamon", "Lemon", "Globe", and "African Blue". The Chinese also use fresh or dried basils in soups and other foods. In Taiwan, people add fresh basil leaves to thick soups. They also eat fried chicken with deep-fried basil leaves. Basil (most commonly Thai basil) is commonly steeped in cream or milk to create an interesting flavor in ice cream or chocolates (such as truffles). The leaves are not the only part of basil used in culinary applications, the flower buds have a more subtle flavor and they are edible.

Thai basil is also a condiment in the Vietnamese noodle soup, phở.

Seeds

When soaked in water, the seeds of several basil varieties become gelatinous, and are used in Asian drinks and desserts such as faluda, sharbat-e-rihan, or hột é.

Other cultivars

Several other basils, including some other Ocimum species, are grown in many regions of Asia. Most of the Asian basils have a clove-like flavor that is, in general, stronger than the Mediterranean basils. The most notable is the holy basil or tulsi, a revered home-grown plant in India and Nepal. In China, the local cultivar is called (Chinese: 九層塔; pinyin: jiǔ céng tǎ; literally: "nine-level pagoda"), while the imported varieties are called (Chinese: 羅勒; pinyin: luó lè) or (Chinese: 巴西里; pinyin: bā xī lǐ), although [巴西里] often refers to a different plant—parsley.

Lemon basil has a strong lemony smell and flavor very different from those of other varieties because it contains a chemical called citral. It is widely used in Indonesia, where it is called kemangi and served raw, together with raw cabbage, green beans, and cucumber as an accompaniment to fried fish or duck. Its flowers, when broken up, are a zesty salad condiment.

Chemical components

The various basils have such different scents because the herb has a number of different essential oils that come together in different proportions for various breeds. The strong clove scent of sweet basil is derived from eugenol, the same chemical as actual cloves.[17] The citrus scent of lemon basil and lime basil reflects their higher portion of citral, which causes this effect in several plants including lemon mint, and of limonene, which gives actual lemon peel its scent. African blue basil has a strong camphor smell because it contains camphor and camphene in higher proportions. Licorice basil contains anethole, the same chemical that makes anise smell like licorice, and in fact is sometimes called "anise basil."

Other chemicals that help to produce the distinctive scents of many basils, depending on their proportion in each specific breed, include:

Based on chemical content, basils can be divided into four groups:

  1. French; Ocimum basilicum, contains lower amounts of phenols
  2. exotic; contains methyl chavicol (40–80%)
  3. methyl cinnamate – ether 90%
  4. eugenol

Aroma profiles

Cultivation

Basil growing in the sun
Basil sprout at an early stage
Desiccated basil showing seed dispersal

Most culinary and ornamental basils are cultivars of the species Ocimum basilicum, but other species are also grown and there are many hybrids between species. Traditionally a green plant, some varieties, such as 'Purple Delight' have leaves that appear purple.

Basil grows between 30–130 cm (12–51 in) tall, with opposite, light green, silky leaves 3–11 cm (1.2–4.3 in) long and 1–6 cm (0.39–2.36 in) broad. The flowers are small, white in color and arranged in a terminal spike. 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.

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.[26]

In Northern Europe, Canada, the northern states of the U.S., and the South Island of New Zealand it will grow 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). Additionally, it may be sown in soil once chance of frost is past. It fares best in well-drained, sunny exposure.

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. It should be kept away from extremely cold drafts, and grows best in strong sunlight, therefore a greenhouse or row cover is ideal if available. It can, however, be grown even in a basement, under fluorescent lights.

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.

In sunnier climates such as Southern Europe, the southern states of the U.S., the North Island of New Zealand, and Australia, basil will thrive when planted outside. It also thrives over the summertime in the central and northern United States, but dies out when temperatures reach freezing point. It will grow back the next year if allowed to go to seed. It will need regular watering, but not as much attention as is needed in other climates.

Basil can also be propagated reliably from cuttings with the stems of short cuttings suspended for two weeks or so in water until roots develop.

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.

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. 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.

Companion planting

Basil is popularly recommended as a companion plant to the tomato. Common claims are that basil may deter pests or improve tomato flavor. In double-blind taste tests, basil did not significantly affect the taste of tomatoes when planted adjacent to them.[27][28]

Diseases

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.

More recently, downy mildew of basil caused by Peronospora belbahrii has been a huge problem for commercial producers and home growers. The disease was first reported in Italy in 2004.[29] It was reported in the U.S. in 2007 and 2008[30][31] and has been steadily increasing in prevalence, distribution, and economic importance since then.

Research

Studies of the essential oil showed antifungal and insect-repelling properties,[32] including potential toxicity to mosquitos.[33]

Folk medicine

In folk medicine practices, such as those of Ayurveda or traditional Chinese medicine, basil is thought to have therapeutic properties.[34][35]

Cultural aspects

A female carpenter bee foraging on basil

There are many rituals and beliefs associated with basil. The French sometimes call basil "l'herbe royale" ("royal herb"),[36] while in Welsh it has the synonymous name "brenhinllys".[37][38] Jewish folklore suggests it adds strength while fasting.[39] 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 Saint John and Saint Anthony. However, basil represented hatred in ancient Greece, and European lore sometimes claims that basil is a symbol of Satan.[40] African legend claims that basil protects against scorpions, while the English botanist Culpeper cites one "Hilarius, a French physician" as affirming it as common knowledge that smelling basil too much would breed scorpions in the brain.

Holy basil, also called tulsi, is highly revered in Hinduism.

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 and Macedonian: босилек; Romanian: busuioc, Serbian: босиљак) to prepare holy water and pots of basil are often placed below church altars.[42]

In Europe, basil is placed in the hands of the dead to ensure a safe journey.[43] In India, they place it in the mouth of the dying to ensure they reach God.[44] The ancient Egyptians and ancient Greeks believed it would open the gates of heaven for a person passing on.[45]

In Boccaccio's Decameron a memorably morbid tale (novella V) tells of Lisabetta, whose brothers slay her lover. He appears to her in a dream and shows her where he is buried. She secretly disinters the head, and sets it in a pot of basil, which she waters with her daily tears. The pot being taken from her by her brothers, she dies of her grief not long after. Boccaccio's tale is the source of John Keats' poem Isabella or The Pot of Basil – which in turn inspired the paintings Isabella (Millais painting) and Isabella and the Pot of Basil. A similar story is told of the Longobard queen, Rosalind.

In certain central regions of Mexico, basil is used to draw fortune by hanging a bunch of the plant in the door or window of the shop. The plant's growth reflects the wealth of the business, showing how dutifully the owner cares for his shop and the herb.

List of the cultivars and their nomenclature

See also

References

  1. ↑ "British: Basil". Collins Dictionary. n.d. Retrieved 25 September 2014.
  2. ↑ "American: Basil". Collins Dictionary. n.d. Retrieved 25 September 2014.
  3. ↑ Etymology of "basil"
  4. ↑ Gernot Katzer. "Spice Pages: Basil (Ocimum basilicum/sanctum/tenuiflorum/canum)". gernot-katzers-spice-pages.com.
  5. 1 2 Father Kino's Herbs: Growing & Using them Today, 2011 Jacqueline A. Soule, Ph. D., Tierra del Sol Institute Press, Tucson, AZ.
  6. ↑ Theophrastus mentions its woody root, i.vi.6.
  7. ↑ In Ancient Greek, basil is ῴκίμον, okymon.
  8. ↑ There is no mention of basil in early sources, Eusebius of Caesarea, Socrates Scholasticus and Sozomen.
  9. ↑ Gerard, Herball.
  10. ↑ Nicholas Culpeper. "Culpeper's Complete Herbal – Garden Bazil, or Sweet Bazil".
  11. ↑ See, for example "Basil, king of the herb garden".
  12. ↑ "Ocimum minimum information from NPGS/GRIN". ars-grin.gov.
  13. ↑ "Ocimum africanum Lour. taxonomy detail from NPGS/GRIN". ars-grin.gov.
  14. ↑ Ocimum × africanum Lour. in 'The Plant List: A Working List of All Plant Species', retrieved 3 December 2016
  15. ↑ 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. PMID 18511170. doi:10.1016/j.fct.2008.04.006.
  16. ↑ 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. PMID 12383625. doi:10.1016/S0304-4017(02)00253-4.
  17. ↑ Md Shahidul Islam (4 February 2011). Transient Receptor Potential Channels. Springer. pp. 50–. ISBN 978-94-007-0265-3. 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 ...
  18. 1 2 3 Jeffrey B. Harborne; Herbert Baxter (30 August 2001). Chemical Dictionary of Economic Plants. John Wiley & Sons. pp. 68–. ISBN 978-0-471-49226-9. Retrieved 2 August 2013.
  19. ↑ J. Janick (ed.), James E. Simon, Mario R. Morales, Winthrop B. Phippen, Roberto Fontes Vieira, and Zhigang Hao, "Basil: A Source of Aroma Compounds and a Popular Culinary and Ornamental Herb", reprinted from: Perspectives on new crops and new uses (1999), ASHS Press, Alexandria, VA, ISBN 978-0-9615027-0-6.
  20. 1 2 Eberhard Breitmaier (22 September 2006). Terpenes: Flavors, Fragrances, Pharmaca, Pheromones. John Wiley & Sons. pp. 11–. ISBN 978-3-527-31786-8. 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, ...
  21. 1 2 3 4 5 6 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. doi:10.1016/S0031-9422(98)00767-5.
  22. 1 2 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.
  23. 1 2 3 4 5 Klimánková, Eva; Holadová, Kateřina; Hajšlová, Jana; Čajka, Tomáš; Poustka, Jan; Koudela, Martin; et al. (2008). "Aroma profiles of five basil (Ocimum basilicum L.) cultivars grown under conventional and organic conditions". Food Chemistry. 107 (1): 464–472. doi:10.1016/j.foodchem.2007.07.062.
  24. ↑ Brophy, J. J.; M. K. Jogia (1986). "Essential oils from Fijian Ocimum basilicum L.". Flavour and Fragrance Journal. 1 (2): 53–55. doi:10.1002/ffj.2730010203.
  25. 1 2 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. PMID 11170620. doi:10.1021/jf000865w.
  26. ↑ Hiltunen, Raimo; Holm, Yvonne (2003-09-02). Basil: The Genus Ocimum. CRC Press. ISBN 9780203303771.
  27. ↑ Bomford, Michael (May 2009). "Do Tomatoes Love Basil but Hate Brussels Sprouts? Competition and Land-Use Efficiency of Popularly Recommended and Discouraged Crop Mixtures in Biointensive Agriculture Systems". Journal of Sustainable Agriculture. 33 (4): 396–417. doi:10.1080/10440040902835001. Retrieved September 17, 2016.
  28. ↑ Bomford, Michael (May 2004), Yield, Pest Density, and Tomato Flavor Effects of Companion Planting in Garden-scale Studies Incorporating Tomato, Basil, and Brussels Sprout, West Virginia University Libraries
  29. ↑ Garibaldi, A., Minuto, A., Minuto, G., Gullino, M.L., 2004. First Report of Downy Mildew on Basil (Ocimum basilicum) in Italy. Plant Disease 88, 312–312
  30. ↑ Roberts, P.D., Raid, R.N., Harmon, P.F., Jordan, S.A., Palmateer, A.J., 2009. First Report of Downy Mildew Caused by a Peronospora sp. on Basil in Florida and the United States. Plant Disease 93, 199–199.
  31. ↑ Wick, R.L., Brazee, N.J., 2009. First Report of Downy Mildew Caused by a Peronospora Species on Sweet Basil (Ocimum basilicum) in Massachusetts. Plant Disease 93, 318–318.
  32. ↑ Dube, S.; et al. (1989). "Antifungal, physicochemical, and insect-repelling activity of the essential oil of Ocimum basilicum". Retrieved 30 May 2009.
  33. 1 2 Maurya, Prejwltta; Sharma, Preeti; Mohan, Lalit; Batabyal, Lata; Srivastava, C.N.; et al. (2009). "Evaluation of the toxicity of different phytoextracts of Ocimum basilicum against Anopheles stephensi and Culex quinquefasciatus". Journal of Asia-Pacific Entomology. 12 (2): 113–115. doi:10.1016/j.aspen.2009.02.004.
  34. ↑ Hiltunen R, Holm Y (2003). Basil: The Genus Ocimum. CRC Press. pp. 120–1. ISBN 9780203303771.
  35. ↑ Ambrose, Dawn C. P.; Manickavasagan, Annamalai; Naik, Ravindra (2016-07-25). Leafy Medicinal Herbs: Botany, Chemistry, Postharvest Technology and Uses. CABI. ISBN 9781780645599.
  36. ↑ 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. 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 ...
  37. ↑ Marcus Zuerius Boxhorn (1654). Originum gallicorum Liber. Retrieved 2 August 2013. Brenhinllys dqf, basil, Ocimum
  38. ↑ John Walters (1828). An English and Welsh Dictionary: Wherein Not Only the Words, But Also the Idioms and Phraseology of the English Language are Carefully Translated Into Welsh, by Proper and Equivalent Words and Phrases; with a Regular Interspersion of the English Proverbs and Proverbial Expressions Rendered by Corresponding Ones in the Welsh Tongue. 3d Ed., Corrected and Improved. Clwydian-Press. pp. 92–. Retrieved 2 August 2013. [herb] Brenhinllys dot', basil. Wild, or small basil
  39. ↑ Tova Navarra (1 January 2004). The Encyclopedia of Vitamins, Minerals, and Supplements. Infobase Publishing. pp. 25–. ISBN 978-1-4381-2103-1. Retrieved 2 August 2013. There is varied folklore pertaining to basil. To the French, basil is the herbe royale (royal herb); Jewish lore holds that basil offers strength during fasting. To the Italians, basil symbolizes love, and to the Greeks, hate, although the Greek word ...
  40. ↑ Nancy Arrowsmith (2009). Essential Herbal Wisdom: A Complete Exploration of 50 Remarkable Herbs. Llewellyn Worldwide. pp. 105–. ISBN 978-0-7387-1488-2. Retrieved 2 August 2013. During one of their talks, Satan told God to pick a bunch of basil flowers, lay them under his pillow, and sleep on them overnight. In the morning, God should take them to a virgin, have her smell them, and she would conceive. This one time ...
  41. ↑ "Blessing of the Waters known as Agiasmos conducted by a Greek Orthodox priest". Retrieved 2012-09-10.
  42. ↑ Mercia MacDermott (1998). Bulgarian Folk Customs. Jessica Kingsley Publishers. pp. 114–. ISBN 978-1-85302-485-6. Retrieved 2 August 2013.
  43. ↑ Amy Felder, CEPC (7 March 2007). Savory Sweets: From Ingredients to Plated Desserts. John Wiley & Sons. pp. 92–. ISBN 978-0-470-07968-3. Retrieved 2 August 2013.
  44. ↑ Lucy Bregman (2010). Religion, Death, and Dying. ABC-CLIO. pp. 136–. ISBN 978-0-313-35180-8. Retrieved 2 August 2013. A basil-like tulsi leaf, which is considered to be a holy plant, may be placed in the mouth as well.
  45. ↑ Robin Nelson-Shellenbarger (25 February 2013). Family Herbal Wellness. Booktango. pp. 38–. ISBN 978-1-4689-2481-7. Retrieved 2 August 2013.
  46. ↑ Copetta, Andrea; Lingua, G; Berta, G; et al. (2006). "Effects of three AM fungi on growth, distribution of glandular hairs, and essential oil production in Ocimum basilicum L. var. Genovese". Mycorrhiza. 16 (7): 485–494. PMID 16896796. doi:10.1007/s00572-006-0065-6.
  47. ↑ "Three arbuscular mycorrhizal fungi differently affect growth, distribution of glandular trichomes and essential oil composition in Ocimum basilicum var. genovese". Archived from the original on 1 June 2009. Retrieved 3 July 2009.
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