Oregano

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Oregano

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From Wikipedia, the free encyclopedia

For other uses, see Oregano (disambiguation).

OreganoScientific classification

Binomial name

Kingdom:	Plantae
Clade:	Tracheophytes
Clade:	Angiosperms
Clade:	Eudicots
Clade:	Asterids
Order:	Lamiales
Family:	Lamiaceae
Genus:	Origanum
Species:	O. vulgare
Origanum vulgare Linnaeus

Oregano (US: /ɔːˈrɛɡənoʊ, ə-/,[1] UK: /ˌɒrɪˈɡɑːnoʊ/;[2] Origanum vulgare) is a species of flowering plant in the mint family Lamiaceae. It was native to the Mediterranean region, but widely naturalised elsewhere in the temperate Northern Hemisphere.

Oregano is a woody perennial plant, growing 20–80 cm (8–31 in) tall, with opposite leaves 1–4 cm (1⁄2–1+1⁄2 in) long. The flowers which can be white, pink or light purple, are 3–4 mm (1⁄8–3⁄16 in) long, and produced in erect spikes in summer. It is sometimes called wild marjoram, and its close relative, O. majorana, is known as sweet marjoram. Both are widely used as culinary herbs, especially in Turkish, Greek, Spanish, Italian, Hispanic, and French cuisine. Oregano is also an ornamental plant, with numerous cultivars bred for varying leaf colour, flower colour and habit.

Etymology[edit]

Used since the middle 18th century, the Spanish word orégano is derived from the Latin orīganum and ultimately from the Classical Greek ὀρίγανον (orī́ganon).[3] This is a compound Greek term that consists of ὄρος (óros) meaning "mountain", and γάνος (gános) meaning "brightness", thus, "brightness of the mountain".[3]

Description and biology[edit]

Inflorescence

Oregano is related to the herb marjoram, sometimes being referred to as wild marjoram. It has purple flowers and spade-shaped, olive-green leaves. It is a perennial,[4][5] although it is grown as an annual in colder climates, as it often does not survive the winter.[6][7] Oregano is planted in early spring, the plants being spaced 30 cm (12 in) apart in fairly dry soil, with full sun. It will grow in a pH range between 6.0 (mildly acidic) and 9.0 (strongly alkaline), with a preferred range between 6.0 and 8.0. It prefers a hot, relatively dry climate, but does well in other environments.[8]

Taxonomy[edit]

Syrian oregano (Origanum syriacum)

Pollination with white-tailed bumblebee

Oregano leaves

Young plant

Many subspecies and strains of oregano have been developed by humans over centuries for their unique flavours or other characteristics. Tastes range from spicy or astringent to more complicated and sweet. Simple oregano sold in garden stores as Origanum vulgare may have a bland taste and larger, less-dense leaves, and is not considered the best for culinary use, with a taste less remarkable and pungent. It can pollinate other more sophisticated strains, but the offspring are rarely better in quality.

The related species Origanum onites (Greece, Turkey) and O. syriacum (West Asia) have similar flavours. A closely related plant is marjoram from Turkey, which differs significantly in taste because phenolic compounds are missing from its essential oil. Some varieties show a flavour intermediate between oregano and marjoram.

Subspecies[edit]

Accepted subspecies:[9]

1. O. v. subsp. glandulosum (Desf.) Ietsw. – Tunisia, Algeria
2. O. v. subsp. gracile (K.Koch) Ietsw. (= O. tyttanthum) has glossy green leaves and pink flowers. It grows well in pots or containers, and is more often grown for added ornamental value than other oregano. The flavor is pungent and spicy.[10] – Central Asia, Iran, India, Turkey, Afghanistan, Pakistan.
3. O. v. subsp. hirtum (Link) Ietsw. – (Italian oregano, Greek oregano) is a common source of cultivars with a different aroma[10] from those of O. v. gracile. Growth is vigorous and very hardy, with darker green, slightly hairy foliage. Generally, it is considered the best all-purpose culinary subspecies. – Greece, Balkans, Turkey, Cyprus
4. O. v. subsp. virens (Hoffmanns. & Link) Ietsw. – Morocco, Spain, Portugal, Balearic Islands, Canary Islands, Azores, Madeira
5. O. v. subsp. viridulum (Martrin-Donos) Nyman – widespread from Corsica to Nepal
6. O. v. subsp. vulgare – widespread across Europe + Asia from Ireland to China; naturalized in North America + Venezuela

Cultivars[edit]

Example cultivars of oregano include:

• 'Aureum' – golden foliage (greener if grown in shade), mild taste: It has gained the Royal Horticultural Society's Award of Garden Merit[11]
• 'Greek Kaliteri' – O. v. subsp. hirtum strains/landraces, small, hardy, dark, compact, thick, silvery-haired leaves, usually with purple undersides, excellent reputation for flavor and pungency, as well as medicinal uses, strong, archetypal oregano flavor (Greek kaliteri: the best)
• 'Hot & Spicy' – O. v. subsp. hirtum strain
• 'Nana' – dwarf cultivar

Cultivars traded as Italian, Sicilian, etc. are usually hardy sweet marjoram (O. ×majoricum), a hybrid between the southern Adriatic O. v. subsp. hirtum and sweet marjoram (O. majorana). They have a reputation for sweet and spicy tones, with little bitterness, and are prized for their flavor and compatibility with various recipes and sauces.

Uses[edit]

This section needs additional citations for verification. Please help improve this article by adding citations to reliable sources. Unsourced material may be challenged and removed. (November 2017) (Learn how and when to remove this template message)

Culinary[edit]

Dried oregano leaves

Oregano is a culinary herb, used for the flavour of its leaves, which can be more intense when dried than fresh. It has an earthy, warm, and slightly bitter taste, which can vary in intensity. Good-quality oregano may be strong enough almost to numb the tongue, but cultivars adapted to colder climates may have a lesser flavour. Factors such as climate, season, and soil composition may affect the aromatic oils present, and this effect may be greater than the differences between the various species of plants. Among the chemical compounds contributing to the flavour are carvacrol, thymol, limonene, pinene, ocimene, and caryophyllene.[12]

Oregano is the staple herb of Italian cuisine, most frequently used with roasted, fried, or grilled vegetables, meat, and fish. Oregano combines well with spicy foods popular in southern Italy. It is less commonly used in the north of the country, as marjoram is generally preferred. Its popularity in the U.S. began when soldiers returning from World War II brought back with them a taste for the "pizza herb", which had probably been eaten in southern Italy for centuries.[13]

Oregano is widely used in cuisines of the Mediterranean Basin and Latin America, especially in Mexican cuisine and Argentine cuisine. In Turkish cuisine, oregano is mostly used for flavouring meat, especially mutton and lamb. In barbecue and kebab restaurants,[clarification needed] it can be usually found as a condiment, together with paprika, salt, and pepper.

During the summer, generous amounts of dried oregano are often added as a topping to a tomato and cucumber salad in Portugal, but it can be used to season meat and fish dishes as well. The dried and ground leaves are most often used in Greece to add flavour to Greek salad, and is usually added to the lemon-olive oil sauce that accompanies fish or meat grills and casseroles. In Albania, dried oregano is often used to make herbal tea which is especially popular in the northern part of Albania.

Oregano oil[edit]

Oregano essential oil in a clear glass vial

Oregano oil has been used in folk medicine over centuries.[10] Oregano essential oil is extracted from the leaves of the oregano plant. Although oregano or its oil may be used as a dietary supplement, there is no clinical evidence to indicate that either has any effect on human health.[10][14]

In 2014, the US Food and Drug Administration (FDA) warned a Utah company, Young Living, that its herbal products, including oregano essential oil, were being promoted to have numerous unproven anti-disease effects, and so were being sold as unauthorized misbranded drugs subject to seizure and federal penalties.[15] Similar FDA warning letters for false advertising and unproven health claims about oregano essential oil products were published in 2017 and 2018.[16][17]

Chemical components[edit]

Oregano contains polyphenols, including numerous flavones.[18][19]

The essential oil of oregano is composed primarily of monoterpenoids and monoterpenes, with the relative concentration of each compound varying widely across geographic origin and other factors. Over 60 different compounds have been identified, with the primary ones being carvacrol and thymol ranging to over 80%, while lesser abundant compounds include p-cymene, γ-terpinene, caryophyllene, spathulenol, germacrene D, β-fenchyl alcohol and δ-terpineol.[20]

Drying of the plant material affects both quantity and distribution of volatile compounds, with methods using higher heat and longer drying times having greater negative impact. A sample of fresh whole plant material found to contain 33 g/kg dry weight (3.1 g/kg wet) decreased to below a third after warm-air convection drying. Much higher concentrations of volatile compounds are achieved towards the end of the growing season.[21]

Other plants called "oregano"[edit]

• Coleus amboinicus, known as Cuban oregano, orégano poleo ('pennyroyal oregano'), orégano francés ('French oregano'), Mexican mint, Mexican thyme, and many other names, is also of the mint family (Lamiaceae). It has large and somewhat succulent leaves. Common throughout the tropics, including Latin America, Africa, and Southeast Asia, it is probably of eastern-hemisphere origin.
• Lippia graveolens, Mexican oregano, known in Spanish as orégano cimarrón ('wild oregano'), is not in the mint family, but in the related vervain family (Verbenaceae). The flavor of Mexican oregano has a stronger savory component instead of the piney hint of rosemary-like flavor in true oregano, and its citrus accent might be more aromatic than in oregano. It is becoming more commonly sold outside of Mexico, especially in the southeastern United States. It is sometimes used as a substitute for epazote leaves.
• Hedeoma patens, known in Spanish as orégano chiquito ('small oregano'), is also among the Lamiaceae. It is used as an herb in the Mexican states of Chihuahua and Coahuila.

See also[edit]

• Thymus vulgaris, thyme

References[edit]

1. ^ "American: Oregano". Collins Dictionary. n.d. Retrieved 25 September 2014.
2. ^ "British: Oregano". Collins Dictionary. Retrieved 25 September 2014.
3. ^ Jump up to:a b "Oregano". Online Etymology Dictionary, Douglas Harper, Inc. Retrieved 6 October 2016.
4. ^ "Origanum vulgare L. oregano". Plants Database, United States Department of Agriculture. Retrieved 30 January 2011.
5. ^ "Growing Culinary Herbs in Ontario". Ontario Ministry of Agriculture, Food & Rural Affairs. Archived from the original on 19 July 2010. Retrieved 30 January 2011.
6. ^ Peter, K. V. (2004). "14.3.1 Growth habit of wild oregano populations". Handbook of herbs and spices. Vol. 2. Abington Hall, Abington: Woodhead Publishing Limited. p. 219. ISBN 1-85573-721-3. Retrieved 30 January 2011.
7. ^ "Herbs". Government of Saskatchewan. September 2009. Archived from the original on 3 October 2011. Retrieved 30 January 2011.
8. ^ "Oregano and Marjoram". Ontario Ministry of Agriculture, Food and Rural Affairs, Guelph, Canada. 17 October 2012. Retrieved 31 January 2017.
9. ^ "Oregano, Origanum vulgare L." Kew World Checklist of Selected Plant Families, Royal Botanic Gardens, Kew, Richmond, Surrey, UK. 2017.
10. ^ Jump up to:a b c d "Oregano". Drugs.com. 2016. Retrieved 7 October 2016.
11. ^ "RHS Plant Selector – Origanum vulgare 'Aureum'". Retrieved 16 January 2021.
12. ^ Mockute, Danute; Bernotiene, Genovaite; Judzentiene, Asta (2001). "The essential oil of Origanum vulgare L. Ssp. Vulgare growing wild in Vilnius district (Lithuania)". Phytochemistry. 57 (1): 65–9. doi:10.1016/S0031-9422(00)00474-X. PMID 11336262.
13. ^ Martyris, Nina (9 May 2015). "GIs Helped Bring Freedom To Europe, And A Taste For Oregano To America". NPR. Retrieved 28 May 2018.
14. ^ "Oregano". MedlinePlus, US National Library of Medicine. 2016. Retrieved 7 October 2016.
15. ^ LaTonya M. Mitchell (22 September 2014). "Warning Letter: Young Living". Inspections, Compliance, Enforcement, and Criminal Investigations, US Food and Drug Administration. Retrieved 7 October 2016.
16. ^ Ingrid A. Zambrana (25 July 2017). "Warning Letter: Absonutrix". Inspections, Compliance, Enforcement, and Criminal Investigations, US Food and Drug Administration. Retrieved 18 May 2019.
17. ^ Kimberly L. McMillan (31 January 2018). "Warning Letter: Long Life Unlimited". Inspections, Compliance, Enforcement, and Criminal Investigations, US Food and Drug Administration. Retrieved 18 May 2019.
18. ^ Dragland, Steinar; Senoo, Haruki; Wake, Kenjiro; Holte, Kari; Blomhoff, Rune (1 May 2003). "Several culinary and medicinal herbs are important sources of dietary antioxidants". Journal of Nutrition. 133 (5): 1286–90. doi:10.1093/jn/133.5.1286. ISSN 0022-3166. PMID 12730411.
19. ^ Tair, Asma; Weiss, Erika-Krisztina; Palade, Laurentiu Mihai; Loupassaki, Sofia; Makris, Dimitris P.; Ioannou, Efstathia; Roussis, Vassilios; Kefalas, Panagiotis (2014). "Origanum species native to the island of Crete: in vitro antioxidant characteristics and liquid chromatography–mass spectrometry identification of major polyphenolic components". Natural Product Research. 28 (16): 1284–7. doi:10.1080/14786419.2014.896011. PMID 24635145. S2CID 42500633.
20. ^ Teixeira, Bárbara; Marques, António; Ramos, Cristina; Serrano, Carmo; Matos, Olívia; Neng, Nuno R; Nogueira, José M F; Saraiva, Jorge Alexandre; Nunes, Maria Leonor (2013). "Chemical composition and bioactivity of different oregano (Origanum vulgare) extracts and essential oil". Journal of the Science of Food and Agriculture. 93 (11): 2707–14. doi:10.1002/jsfa.6089. PMID 23553824.
21. ^ Figiel, Adam; Szumny, Antoni; Gutiérrez-Ortíz, Antonio; Carbonell-Barrachina, Ángel A. (2010). "Composition of oregano essential oil (Origanum vulgare) as affected by drying method". Journal of Food Engineering. 98 (2): 240–7. doi:10.1016/j.jfoodeng.2010.01.002.

• "Oregano Essential Oil Uses for Skin, Hair, and Aromatherapy". Gyalabs.com. Retrieved 28 November 2022.

External links[edit]

Wikimedia Commons has media related to Origanum vulgare.

Wikiquote has quotations related to Oregano.

• Flora Europaea: Origanum vulgare
• Germplasm Resources Information Network: Origanum vulgare

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TRP channel modulatorsTaxon identifiers

• Wikidata: Q134283
• Wikispecies: Origanum vulgare
• APDB: 144389
• APNI: 55969
• BioLib: 41111
• Calflora: 5960
• CoL: 6T7B5
• Ecocrop: 2369
• EoL: 579367
• EPPO: ORIVU
• EUNIS: 173973
• FoC: 200019922
• GBIF: 2926612
• GRIN: 25913
• iNaturalist: 61396
• IPNI: 453395-1
• IRMNG: 10207972
• ISC: 54515
• ITIS: 32632
• MichiganFlora: 1577
• MoBotPF: 281411
• NatureServe: 2.137393
• NBN: NBNSYS0000004207
• NCBI: 39352
• NZOR: bc9e9645-317c-4270-8856-c3a5da54bcfb
• NZPCN: 3258
• Open Tree of Life: 305918
• PalDat: Origanum_vulgare
• PfaF: Origanum vulgare
• PFI: 4610
• Plant List: kew-143954
• PLANTS: ORVU
• POWO: urn:lsid:ipni.org:names:453395-1
• Tropicos: 17600223
• VASCAN: 6429
• WisFlora: 9414
• WFO: wfo-0000260765

Authority control: National 

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Categories: 

• Flora of Asia
• Flora of Europe
• Herbs
• Medicinal plants
• Origanum
• Flora of the Mediterranean Basin
• Mediterranean cuisine
• New Mexican cuisine
• Plants described in 1753

[박대선]

0 When / Where to plant; Sow indoors 6-8 weeks before last frost / in full sun
1 Growing; Sow seeds 3 mm deep & 300 mm apart. Rows should be spaced 300 mm apart.
2 Days to germination: 7 - 21 days
3 Days to maturity; 90 days
4 Companion; Best container size > 360 mm
5 For more; https://mckenzieseeds.com/products/oregano