Ocimum americanum
Details Top
| Internal ID | UUID643fe4c09e12f781269562 |
| Scientific name | Ocimum americanum |
| Authority | L. |
| First published in | Cent. Pl. I : 15 (1755) |
Ethnobotanical Use Top
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Important notice
- Content in this section summarizes historical and cultural records. It is not medical advice.
- Do not use plants for self-treatment. Safety, efficacy, and appropriate use are not established here.
- Plant identification errors, allergies, and interactions can cause harm. Consult qualified professionals for health questions.
- Local legality and regulatory status may vary; verify before collecting, processing, or selling plant materials.
Ocimum americanum L., often called hoary basil, is a fragrant shrub whose leaves have become a staple of several traditional health systems. In southwestern Nigeria the Yoruba people prepare a simple infusion of fresh leaves to treat fever and malaria symptoms; the practice is documented by Odugbemi et al., 2006, who recorded the use of a tea made from roughly one heaped teaspoon of chopped leaves steeped in a cup of boiling water for five to ten minutes. In the Zulu communities of KwaZulu‑Natal, South Africa, the same species is used in a decoction; a handful of leaves is boiled in water for twenty minutes and the liquid taken in small doses for stomach cramps and dysentery, as described by Van Wyk and Wink, 2015. In the southern Indian state of Kerala, Ayurvedic practitioners employ a poultice of crushed leaves applied directly to minor wounds and skin infections; Kumar and Pandey, 2012, noted that the fresh leaf mass is pressed onto the affected area and renewed twice daily until healing is evident.
For anyone wanting to prepare a safe, mild tea for occasional cough or fever, the simplest method is to use one teaspoon (about 1 g) of fresh leaves per cup of water. Bring the water to a rolling boil, pour it over the leaves, cover the cup and let the mixture steep for 5–10 minutes before straining. The resulting beverage can be taken up to two or three times a day. Because the plant contains estragole (a phenylpropene linked to potential uterine stimulation), pregnant women should avoid regular consumption and children should be given only a diluted version (½‑tsp leaves per cup). Over‑use can lead to mild gastrointestinal upset due to the volatile oils.
The therapeutic activity of Ocimum americanum is linked to a well‑characterized essential‑oil profile that includes linalool, eugenol, methyl eugenol and 1,8‑cineole, as reported by Rashid et al., 2013, and to a range of phenolic compounds such as rosmarinic acid and flavonoids like apigenin and luteolin, which Alhaji et al., 2018, identified in leaf extracts. These constituents exhibit antimicrobial, antispasmodic and anti‑inflammatory actions that plausibly explain the traditional relief of fever, cough and dyspepsia.
Modern research has confirmed that the leaf essential oil inhibits growth of Staphylococcus aureus and Escherichia coli (Mukherjee et al., 2020), prompting interest in its development as a natural preservative. Commercial teas made from dried O. americanum leaves are now sold in several African and Indian herbal markets, and in many rural households the plant remains a readily available remedy for mild respiratory and digestive complaints, bridging age‑old practices with contemporary scientific validation.
General Uses Top
Suggest a correction!Common products:
Leaf essential oil (hydrodistilled or CO2-extracted) used in fragrance, flavor, and aromatherapy applications; fresh or dried aerial parts used as a culinary herb.
Industrial and craft applications:
The essential oil serves as a fragrance component in soaps, detergents, and household cleaners, and as a flavor/aroma ingredient in confectionery and baked goods. Chemotype-dependent, oil rich in monoterpenes such as 1,8-cineole and p-cymene confers characteristic fresh-camphoraceous notes useful for scenting consumer products and certain craft applications.
Food and beverages (non-medicinal):
Fresh and dried aerial parts function as a culinary herb in regional cuisines, providing aromatic seasoning. The essential oil is used as a flavoring (nature-identical) in beverages, condiments, and processed foods, at approved concentration ranges established by flavor regulatory frameworks (e.g., FEMA GRAS in the United States; Council of Europe FLAVIS/Flavouring Regulation (EC) No 1334/2008 in the EU).
Colorants and tanning:
No documented use.
Wood and fiber:
No documented use.
Fragrance and cosmetics:
Leaf essential oil is incorporated as a fragrance material in soaps, toiletries, and perfumes. Due to potential skin-sensitizing constituents (e.g., estragole and methyleugenol), cosmetic uses typically follow compliance with IFRA Standards and relevant regulations such as the EU Cosmetic Regulation (EC) No 1223/2009 for fragrance allergens and restricted substances.
Properties relevant to use:
Oil composition is chemotype-dependent with monoterpenes (1,8-cineole, p-cymene, limonene) and phenylpropanoids (estragole/methyl chavicol, eugenol) as major constituents. Variability arises from geography, cultivar, and harvest stage; this influences sensory profile and suitability for specific flavor/fragrance applications.
Standards and regulation:
Flavor use is governed by FEMA GRAS and EU flavor legislation; fragrance and cosmetic applications follow IFRA Standards and national/international cosmetic regulations for allergen labeling and restricted substances.
Sustainability and sourcing:
Sourcing is wild-harvest and cultivated; agronomic and essential oil yield data are variable. No specific sustainability certifications or yield standards are established for Ocimum americanum essential oil.
Synonyms Top
| Scientific name | Authority | First published in |
|---|---|---|
| Ocimum album | Roxb. | Fl. Ind. ed. 1832 , 3: 15 (1832) |
| Ocimum brachiatum | Blume | Bijdr. Fl. Ned. Ind. : 833 (1826) |
| Ocimum canum | Sims | Bot. Mag. 51: t. 2452 (1823) |
| Ocimum dichotomum | Hochst. ex Benth. | Prodr. 12: 39 (1848) |
| Ocimum dinteri | Briq. | Bull. Herb. Boissier , sér. 2, 3: 980 (1903) |
| Ocimum fluminense | Vell. | Fl. Flumin. 4: t. 11 (1829) |
| Ocimum fruticulosum | Burch. | Trav. S. Africa 2: 264 (1824) |
| Ocimum hispidulum | Schumach. & Thonn. | Beskr. Guin. Pl. : 266 (1827) |
| Ocimum incanescens | Mart. | Reise Bras. 2: 799 (1828) |
| Ocimum stamineum | Sims | Bot. Mag. 51: t. 2452 (1823) |
| Ocimum thymoides | Baker | Fl. Trop. Afr. 5: 344 (1900) |
| Becium obovatum var. glabrior | (Benth.) Cufod. | Senckenberg. Biol. 43: 287 1962 |
| Ocimum canum var. integrifolium | Engl. | Bot. Jahrb. Syst. 10: 267. 1888 |
| Ocimum serpyllifolium var. glabrius | Benth. | Comm. Pl. Afr. Austr. : 226 (1837) |
Common names Top
Add a new one! Suggest a correction!| Language | Common/alternative name |
|---|---|
| English | hoary basil |
| English | american basil |
| English | lime basil |
| English | hairy basil |
| English | hransvaal basil |
| Afrikaans | wilde basielkruid |
| Afrikaans | transvaal basielkruid |
| Afrikaans | bostee |
| Afrikaans | boesmansboegoe |
| Arabic | حبق أمريكي |
| Azerbaijani | ocimum canum |
| ban | kecarum |
| German | amerikanisches basilikum |
| Hausa | cwai ɗwaiya |
| Hindi | अरण्यतुलसी |
| Croatian | limunski bosiljak |
| Italian | basilico americano |
| Korean | 회바질 |
| Malay | pokok kemangi |
| pap | yerba di hole |
| Polish | bazylia amerykańska |
| Portuguese | alfavaca-do-campo |
| Kinyarwanda | isonga |
| Tamil | கஞ்சங்குல்லை |
| Tamil | குல்லை |
| Tamil | புனத்துளசி |
| Tamil | நாய்த்துளசி |
| Telugu | వన తులసి |
| Chinese | 灰羅勒 |
| Chinese | 灰罗勒 |
| Chinese | 草灵脂 |
Germination/Propagation Top
Suggest a correction or add new data!
No germination or propagation data was added yet.
Distribution (via POWO/KEW) Top
Legend for the distribution data:
- Doubtful data
- Extinct
- Introduced
- Native
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Africa click to expand
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East Tropical Africa
- Kenya
- Tanzania
- Uganda
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Macaronesia
- Cape Verde
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Northeast Tropical Africa
- Chad
- Djibouti
- Eritrea
- Ethiopia
- Somalia
- Sudan
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South Tropical Africa
- Angola
- Malawi
- Mozambique
- Zambia
- Zimbabwe
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Southern Africa
- Botswana
- Cape Provinces
- Caprivi Strip
- Free State
- Kwazulu-Natal
- Lesotho
- Namibia
- Northern Provinces
- Swaziland
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West Tropical Africa
- Benin
- Burkina
- Gambia
- Ghana
- Guinea
- Guinea-Bissau
- Ivory Coast
- Liberia
- Mali
- Mauritania
- Niger
- Nigeria
- Senegal
- Sierra Leone
- Togo
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West-central Tropical Africa
- Cameroon
- Central African Republic
- Congo
- Gabon
- Gulf Of Guinea Islands
- Zaïre
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Western Indian Ocean
- Comoros
- Madagascar
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East Tropical Africa
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Asia-temperate click to expand
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China
- China South-central
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China
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Asia-tropical click to expand
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Indian Subcontinent
- Assam
- Bangladesh
- India
- Nepal
- Sri Lanka
- West Himalaya
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Indo-China
- Andaman Islands
- Myanmar
- Nicobar Nicobar
- Thailand
- Vietnam
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Malesia
- Christmas Island
- Jawa
- Lesser Sunda Islands
- Malaya
- Philippines
- Sulawesi
- Sumatera
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Papuasia
- Bismarck Archipelago
- New Guinea
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Indian Subcontinent
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Australasia click to expand
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Australia
- Queensland
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Australia
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Northern America click to expand
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Mexico
- Mexico Southeast
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Mexico
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Pacific click to expand
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Northwestern Pacific
- Marianas
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Northwestern Pacific
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Southern America click to expand
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Brazil
- Brazil Northeast
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Caribbean
- Netherlands Antilles
- Trinidad-Tobago
- Venezuelan Antilles
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Central America
- Honduras
- Nicaragua
- Panamá
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Northern South America
- Venezuela
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Southern South America
- Argentina Northeast
- Paraguay
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Western South America
- Bolivia
- Colombia
- Peru
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Brazil
Links to other databases Top
Suggest others/fix!| Database | ID/link to page |
|---|---|
| World Flora Online | wfo-0000253211 |
| UNII | 0899QOA7PA |
| Tropicos | 17607555 |
| INPN | 109795 |
| KEW | urn:lsid:ipni.org:names:316218-2 |
| The Plant List | kew-136802 |
| Open Tree Of Life | 782165 |
| Observations.org | 198800 |
| NCBI Taxonomy | 204141 |
| IPNI | 316218-2 |
| iNaturalist | 181061 |
| GBIF | 2927097 |
| Freebase | /m/04y6p9l |
| EPPO | OCICA |
| EOL | 483863 |
| Elurikkus | 648995 |
| USDA GRIN | 402305 |
| Wikipedia | Ocimum_americanum |
Genomes (via NCBI) Top
No reference genome is available on NCBI yet. We are constantly monitoring for new data.
Scientific Literature Top
Below are displayed the latest 15 articles published in PMC (PubMed Central®) and other sources (DOI number only)!
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If you wish to see all the related articles click here.
Phytochemical Profile Top
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Below are displayed the proven (via scientific papers) natural compounds!
You can also contribute to this by clicking here.
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| Name | PubChem ID | Canonical SMILES | MW | Found in | Proof |
|---|---|---|---|---|---|
| > Benzenoids / Phenol ethers / Anisoles | |||||
| (E,E)-1,6-bis(4-methoxyphenyl)-1,5-hexadiene | 11140953 | Click to see COC1=CC=C(C=C1)C=CCCC=CC2=CC=C(C=C2)OC | 294.40 | unknown | https://doi.org/10.1016/0031-9422(79)80152-1 |
| 1-Methoxy-4-[6-(4-methoxyphenyl)hexa-1,5-dienyl]benzene | 85413178 | Click to see | 294.40 | unknown | https://doi.org/10.1016/0031-9422(79)80152-1 |
| > Benzenoids / Phenols / Methoxyphenols | |||||
| Eugenol | 3314 | Click to see | 164.20 | unknown | https://doi.org/10.1002/FFJ.2730040104 |
| > Hydrocarbons / Unsaturated hydrocarbons / Branched unsaturated hydrocarbons | |||||
| Gamma-Terpinene | 7461 | Click to see | 136.23 | unknown |
https://doi.org/10.1016/S0944-7113(11)80031-0 https://doi.org/10.1021/NP50018A028 |
| > Lipids and lipid-like molecules / Fatty Acyls / Fatty alcohols | |||||
| 1-Octen-3-Ol | 18827 | Click to see | 128.21 | unknown |
https://doi.org/10.1021/NP50018A028 https://doi.org/10.1007/BF01959201 |
| 3-Octanol | 11527 | Click to see | 130.23 | unknown | https://doi.org/10.1007/BF01959201 |
| > Lipids and lipid-like molecules / Prenol lipids / Monoterpenoids / Acyclic monoterpenoids | |||||
| Linalool | 6549 | Click to see | 154.25 | unknown |
https://doi.org/10.1007/BF01959201 https://doi.org/10.1016/0378-8741(89)90113-X https://doi.org/10.1111/1750-3841.12457 |
| Myrcene | 31253 | Click to see | 136.23 | unknown |
https://doi.org/10.1016/S0944-7113(11)80031-0 https://doi.org/10.1021/NP50018A028 |
| > Lipids and lipid-like molecules / Prenol lipids / Monoterpenoids / Aromatic monoterpenoids | |||||
| P-Cymene | 7463 | Click to see | 134.22 | unknown | https://doi.org/10.1021/NP50018A028 |
| > Lipids and lipid-like molecules / Prenol lipids / Monoterpenoids / Bicyclic monoterpenoids | |||||
| (+-)-alpha-Pinene | 6654 | Click to see | 136.23 | unknown | https://doi.org/10.1021/NP50018A028 |
| (+-)-Myrtenol | 10582 | Click to see | 152.23 | unknown |
https://doi.org/10.1021/NP50018A028 https://doi.org/10.1016/S0944-7113(11)80031-0 |
| (+)-Isoborneol | 6973640 | Click to see CC1(C2CCC1(C(C2)O)C)C | 154.25 | unknown | https://doi.org/10.1021/NP50018A028 |
| (5S)-4-methylidene-1-propan-2-ylbicyclo[3.1.0]hexane | 6429260 | Click to see | 136.23 | unknown | https://doi.org/10.1021/NP50018A028 |
| 4-Carene, (1S,3R,6R)-(-)- | 530422 | Click to see | 136.23 | unknown | https://doi.org/10.1016/S0944-7113(11)80031-0 |
| Bergamotene | 521569 | Click to see | 204.35 | unknown | https://doi.org/10.1007/BF01959201 |
| Beta-Pinene | 14896 | Click to see | 136.23 | unknown | https://doi.org/10.1021/NP50018A028 |
| Borneol | 64685 | Click to see | 154.25 | unknown |
https://doi.org/10.1021/NP50018A028 https://doi.org/10.1016/S0944-7113(11)80031-0 |
| Camphene | 6616 | Click to see | 136.23 | unknown |
https://doi.org/10.1021/NP50018A028 https://doi.org/10.1016/S0944-7113(11)80031-0 |
| Camphor | 2537 | Click to see | 152.23 | unknown | https://doi.org/10.1021/NP50018A028 |
| CID 44630107 | 44630107 | Click to see CC1(C2CCC1(C(C2)O)C)C | 154.25 | unknown |
https://doi.org/10.1021/NP50018A028 https://doi.org/10.1016/S0944-7113(11)80031-0 |
| D-Camphor | 159055 | Click to see | 152.23 | unknown | https://doi.org/10.1021/NP50018A028 |
| Sabinene | 18818 | Click to see | 136.23 | unknown | https://doi.org/10.1021/NP50018A028 |
| > Lipids and lipid-like molecules / Prenol lipids / Monoterpenoids / Menthane monoterpenoids | |||||
| (+)-Limonene | 440917 | Click to see | 136.23 | unknown | https://doi.org/10.1016/S0944-7113(11)80031-0 |
| 4-Terpineol, (+/-)- | 11230 | Click to see CC1=CCC(CC1)(C(C)C)O | 154.25 | unknown | https://doi.org/10.1021/NP50018A028 |
| alpha-PHELLANDRENE | 7460 | Click to see CC1=CCC(C=C1)C(C)C | 136.23 | unknown | https://doi.org/10.1021/NP50018A028 |
| Beta-Phellandrene | 11142 | Click to see CC(C)C1CCC(=C)C=C1 | 136.23 | unknown | https://doi.org/10.1021/NP50018A028 |
| Limonene, (+/-)- | 22311 | Click to see CC1=CCC(CC1)C(=C)C | 136.23 | unknown | https://doi.org/10.1021/NP50018A028 |
| Terpinolene | 11463 | Click to see | 136.23 | unknown |
https://doi.org/10.1016/S0944-7113(11)80031-0 https://doi.org/10.1021/NP50018A028 |
| > Lipids and lipid-like molecules / Prenol lipids / Sesquiterpenoids | |||||
| (1S,2S,3S,6R,7R,8R)-1,3-dimethyl-8-prop-1-en-2-yltricyclo[4.4.0.02,7]decan-3-ol | 162901363 | Click to see | 220.35 | unknown | https://doi.org/10.1016/0031-9422(91)83755-A |
| (1S,2S,3S,6R,7R,8Z)-8-(1-hydroxypropan-2-ylidene)-1,3-dimethyltricyclo[4.4.0.02,7]decan-3-ol | 162893944 | Click to see | 236.35 | unknown | https://doi.org/10.1016/0031-9422(91)83755-A |
| 11-Copaen-4-ol | 14807653 | Click to see | 220.35 | unknown | https://doi.org/10.1016/0031-9422(91)83755-A |
| 2-[(1R,2R,3R,6S,7R)-6-methyl-8-methylidene-3-tricyclo[4.4.0.02,7]decanyl]propan-2-ol | 162885927 | Click to see CC12CCC(C3C1CCC(=C)C23)C(C)(C)O | 220.35 | unknown | https://doi.org/10.1016/0031-9422(91)83755-A |
| 4(15)-Copaen-11-ol | 14807655 | Click to see CC12CCC(C3C1CCC(=C)C23)C(C)(C)O | 220.35 | unknown | https://doi.org/10.1016/0031-9422(91)83755-A |
| 8-(1-Hydroxypropan-2-ylidene)-1,3-dimethyltricyclo[4.4.0.02,7]decan-3-ol | 162893943 | Click to see | 236.35 | unknown | https://doi.org/10.1016/0031-9422(91)83755-A |
| beta-Cadinene | 10657 | Click to see | 204.35 | unknown | https://doi.org/10.1016/S0944-7113(11)80031-0 |
| Caryophyllene | 5281515 | Click to see CC1=CCCC(=C)C2CC(C2CC1)(C)C | 204.35 | unknown |
https://doi.org/10.1007/BF01959201 https://doi.org/10.1016/S0944-7113(11)80031-0 https://doi.org/10.1021/NP50018A028 |
| Caryophyllene,alpha + beta mixt. | 5354499 | Click to see | 204.35 | unknown | https://doi.org/10.1021/NP50018A028 |
| Humulene | 5281520 | Click to see | 204.35 | unknown | https://doi.org/10.1021/NP50018A028 |
| > Lipids and lipid-like molecules / Prenol lipids / Sesquiterpenoids / Elemane sesquiterpenoids | |||||
| Beta-Elemene | 6918391 | Click to see | 204.35 | unknown | https://doi.org/10.1021/NP50018A028 |
| > Lipids and lipid-like molecules / Prenol lipids / Sesquiterpenoids / Eudesmane, isoeudesmane or cycloeudesmane sesquiterpenoids | |||||
| 2-Isopropenyl-4a,8-dimethyl-1,2,3,4,4a,5,6,8a-octahydronaphthalene | 10123 | Click to see | 204.35 | unknown |
https://doi.org/10.1016/S0944-7113(11)80031-0 https://doi.org/10.1021/NP50018A028 |
| alpha-Selinene | 10856614 | Click to see | 204.35 | unknown |
https://doi.org/10.1016/S0944-7113(11)80031-0 https://doi.org/10.1021/NP50018A028 |
| Beta-Selinene | 442393 | Click to see | 204.35 | unknown |
https://doi.org/10.1016/S0944-7113(11)80031-0 https://doi.org/10.1021/NP50018A028 |
| > Phenylpropanoids and polyketides / Cinnamic acids and derivatives / Cinnamic acids | |||||
| Cinnamic acid | 444539 | Click to see C1=CC=C(C=C1)C=CC(=O)O | 148.16 | unknown | https://doi.org/10.1007/BF02907824 |
| > Phenylpropanoids and polyketides / Cinnamic acids and derivatives / Hydroxycinnamic acids and derivatives / Coumaric acids and derivatives | |||||
| Rosmarinic Acid | 5281792 | Click to see | 360.30 | unknown | https://doi.org/10.1016/J.FITOTE.2005.04.001 |
| > Phenylpropanoids and polyketides / Flavonoids / Flavones | |||||
| Apigenin | 5280443 | Click to see C1=CC(=CC=C1C2=CC(=O)C3=C(C=C(C=C3O2)O)O)O | 270.24 | unknown | https://doi.org/10.1016/S0031-9422(00)00439-8 |
| > Phenylpropanoids and polyketides / Flavonoids / O-methylated flavonoids / 4-O-methylated flavonoids | |||||
| Acacetin | 5280442 | Click to see | 284.26 | unknown | https://doi.org/10.1016/S0031-9422(00)00439-8 |
| > Phenylpropanoids and polyketides / Flavonoids / O-methylated flavonoids / 6-O-methylated flavonoids | |||||
| Pilosin | 12085264 | Click to see | 330.29 | unknown | https://doi.org/10.1016/S0031-9422(00)00439-8 |
| > Phenylpropanoids and polyketides / Flavonoids / O-methylated flavonoids / 7-O-methylated flavonoids | |||||
| Isothymusin | 630253 | Click to see | 330.29 | unknown | https://doi.org/10.1016/S0031-9422(00)00439-8 |
| Salvigenin | 161271 | Click to see | 328.30 | unknown | https://doi.org/10.1016/S0031-9422(00)82238-4 |
| Sorbifolin | 3084390 | Click to see | 300.26 | unknown | https://doi.org/10.1016/S0031-9422(00)00439-8 |
| > Phenylpropanoids and polyketides / Flavonoids / O-methylated flavonoids / 8-O-methylated flavonoids | |||||
| 5-Demethylnobiletin | 358832 | Click to see | 388.40 | unknown | https://doi.org/10.1016/S0031-9422(00)00439-8 |
| Nevadensin | 160921 | Click to see COC1=CC=C(C=C1)C2=CC(=O)C3=C(C(=C(C(=C3O2)OC)O)OC)O | 344.30 | unknown | https://doi.org/10.1016/S0031-9422(00)82238-4 |
| Xanthomicrol | 73207 | Click to see | 344.30 | unknown | https://doi.org/10.1016/S0031-9422(00)00439-8 |
Collections Top
| In private collections | 0 |
| In public collections | 0 |