Turnera diffusa

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Turnera diffusa
Turnera diffusa var. aphrodisiaca 002.JPG
Turnera diffusa var. aphrodisiaca
Scientific classification OOjs UI icon edit-ltr.svg
Kingdom: Plantae
Clade: Tracheophytes
Clade: Angiosperms
Clade: Eudicots
Clade: Rosids
Order: Malpighiales
Family: Passifloraceae
Genus: Turnera
Species:
T. diffusa
Binomial name
Turnera diffusa
Varieties [2]

T. d. var. aphrodisiaca(G.H.Ward) Urb.
T. d. var. diffusa

Contents

Synonyms [3]
List
    • Bohadschia humifusaC.Presl
    • Bohadschia microphyllaGriseb.
    • Triacis microphylla(Desv.) Griseb.
    • Turnera aphrodisiacaWard
    • Turnera diffusa var. aphrodisiaca(Ward) Urb.
    • Turnera humifusaEndl. ex Walp.
    • Turnera microphyllaDesv.
    • Turnera pringleiRose
Turnera diffusa var. aphrodisiaca foliage and inflorescence Turnera diffusa var. aphrodisiaca 001.JPG
Turnera diffusa var. aphrodisiaca foliage and inflorescence
A bottle of Damiana liqueur. The shape of the bottle is modeled after that of a pregnant mother, a reference to Daminana's supposed aphrodisiac effect. DamianaLiqueur.jpg
A bottle of Damiana liqueur. The shape of the bottle is modeled after that of a pregnant mother, a reference to Daminana's supposed aphrodisiac effect.

Turnera diffusa, known as damiana, [4] is a shrub native to southern Texas in the United States, [5] Mexico, Central America, South America, and the Caribbean. It belongs to the family Passifloraceae. [2]

Damiana is a relatively small, woody shrub that produces small, aromatic flowers. It blossoms in early to late summer, followed by fruits that taste similar to figs. The shrub is said to have a strong spice-like odor somewhat like chamomile, due to the aromatic compounds present in the plant. [6]

Uses

Damiana is an ingredient in a traditional Mexican liqueur, which is sometimes used in lieu of triple sec in margaritas. Mexican folklore claims that it was used in the "original" margarita. The damiana margarita is popular in the Los Cabos region of Mexico. [7] [8]

Damiana was included in several 19th-century patent medicines, such as Pemberton's French Wine Coca. The leaves were omitted from that product's non-alcoholic counterpart, Coca-Cola. [9] In folklore, the plant was believed to be an aphrodisiac, hence its sometimes used binomial synonym, Turnera aphrodisiaca.

Beyond its historical use in drinks, Damiana continues to be a valued herb for its ability to induce relaxation and improve emotional well-being. It is commonly found in modern herbal teas and smoking blends, where it is used for its calming, mild psychoactive effects. [10]

Phytochemistry

Damiana contains damianin; tetraphyllin B; gonzalitosin I; arbutin; tricosan-2-one; acacetin; p-cymene; β-sitosterol; 1,8-cineole; apigenin; [11] α-pinene; β-carotene; β-pinene; tannins; thymol; [12] and hexacosanol. [13] In total, 22 flavonoids, maltol glucoside, phenolics, seven cyanogenic glycosides, monoterpenoids, sesquiterpenoids, triterpenoids, the polyterpene ficaprenol-11, fatty acids, and caffeine have been found in the genus Turnera. [14] As of 2006, damiana's constituents have not been identified for their effects attributed to the whole herb. [15] Damiana's anxiolytic properties might be due to apigenin. [13] The extract from damiana has been found to suppress aromatase activity, including the isolated compounds pinocembrin and acacetin. [16] [17]

Ecology

T. diffusa is a host plant for the Mexican fritillary ( Euptoieta hegesia ), a butterfly. [18]

Misidentification in commerce

Viable plant and seed material sold as T. diffusa from both private and commercial sources largely turns out to be misidentified Turnera ulmifolia (a.k.a. "False Damiana"), a closely related species. This widespread issue has been noted by the scientific community, and has created much confusion among both amateur and professional horticulturists alike. [19] [20] [21] While T. ulmifolia are similar in appearance, it's chemical constituents and ethnobotanical uses are distinctly different. [22] Mature stems of T. diffusa are woody, with small, grayed green leaves 13 to 16 mm long, 4.5 to 5.5 mm wide, obtuse at the apex, and strongly aromatic when crushed. [23] T. ulmifolia is differentiated by herbaceous stems, larger blue-green leaves that are strongly dentate with a pointed apex, and only weakly aromatic. [24] [25] [26] One scientific study however, demonstrated this confusion being mostly associated with horticultural commerce, and does not extend appreciably to commercial herbal products, most of which exhibit constituents that can be definitively traced to T. diffusa. [27]

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References

  1. ↑ "Turnera diffusa". Integrated Taxonomic Information System . Retrieved 2011-01-29.
  2. 1 2 "Turnera diffusa". Germplasm Resources Information Network . Agricultural Research Service, United States Department of Agriculture . Retrieved 2012-01-03.
  3. ↑ "Turnera diffusa Willd. ex Schult". Plants of the World Online. Board of Trustees of the Royal Botanic Gardens, Kew. 2017. Retrieved 4 September 2020.
  4. ↑ NRCS. "Turnera diffusa". PLANTS Database. United States Department of Agriculture (USDA). Retrieved 12 December 2015.
  5. ↑ Everitt, J. H.; Dale Lynn Drawe; Robert I. Lonard (2002). Trees, Shrubs, and Cacti of South Texas. Texas Tech University Press. p. 208. ISBN   978-0-89672-473-0.
  6. ↑ Gildemeister, Eduard; Friedrich Hoffmann (1922). Edward Kremers (ed.). The Volatile Oils. Vol. 3 (2 ed.). Wiley. p. 183.
  7. ↑ "Damiana Liqueur at Damiana.net". Archived from the original on 2018-02-28. Retrieved 2007-04-10.
  8. ↑ Perry, Charles (2007-06-20). "The unexpected thrill". Los Angeles Times .
  9. ↑ Pendergrast, Mark (2000). For God, Country, and Coca Cola: The Definitive History of the Great American Soft Drink and the Company That Makes It (2 ed.). Basic Books. pp.  24–30. ISBN   978-0-46505-468-8.
  10. ↑ Herbie. "Damiana: A natural way to deep relaxation". Herbie. Retrieved 2025-02-03.
  11. ↑ Kumar, Suresh (February 9, 2005). "Anti-anxiety Activity Studies on Homoeopathic Formulations of Turnera aphrodisiaca Ward". Evid Based Complement Alternat Med. 2 (1). Hindawi Publishing Corporation: 117–119. doi:10.1093/ecam/neh069. PMC   1062162 . PMID   15864356.
  12. ↑ Balch, Phyllis A. (2002). Prescription for Nutritional Healing: the A to Z Guide to Supplements (2 ed.). Penguin. p.  233. ISBN   978-1-58333-143-9.
  13. 1 2 Kumar, S; Madaan, R; Sharma, A (2008), "Pharmacological evaluation of Bioactive Principle of Turnera aphrodisiaca", Indian Journal of Pharmaceutical Sciences, 70 (6): 740–4, doi: 10.4103/0250-474X.49095 , PMC   3040867 , PMID   21369434
  14. ↑ Szewczyk, K; Zidorn, C (2014). "Ethnobotany, phytochemistry, and bioactivity of the genus Turnera (Passifloraceae) with a focus on damiana – Turnera diffusa". Journal of Ethobotany. 152 (3): 424–443. doi:10.1016/j.jep.2014.01.019. ISSN   0378-8741. PMID   24468305.
  15. ↑ Kumar, Suresh; Taneja, Ruchi; Sharma, Anupam (2006), "Pharmacognostic Standardization of Turnera aphrodisiaca Ward", Journal of Medicinal Food, 9 (2): 254–60, doi:10.1089/jmf.2006.9.254, PMID   16822212
  16. ↑ Zhao J, Dasmahapatra AK, Khan SI, Khan IA (2008). "Anti-aromatase activity of the constituents from damiana (Turnera diffusa)". Journal of Ethnopharmacology. 120 (3): 387–393. doi:10.1016/j.jep.2008.09.016. PMID   18948180.
  17. ↑ Katarzyna Szewczyka; Christian Zidorn (2014). "Ethnobotany, phytochemistry, and bioactivity of the genus Turnera (Passifloraceae) with a focus on damiana—Turnera diffusa". Journal of Ethnopharmacology. 152 (3): 424–443. doi:10.1016/j.jep.2014.01.019. PMID   24468305.
  18. ↑ Wauer, Roland H. (2004). Butterflies of the Lower Rio Grande Valley. Boulder, CO: Johnson Books. p. 128. ISBN   9781555663476.
  19. ↑ Joshi, V.C.; Rao, A.S.; Wang, Y.H.; Avula, B.; Khan, I.A. (March 2009). "Taxonomic Clarification on Turnera diffusa Ward and its Demarcation from "False Damiana" using Fluorescence, Scanning Electron Microscopy, HPTLC and UPLC". Planta Medica. 75 (4). doi: 10.1055/s-2009-1216454 .
  20. ↑ "Damiana - Turnera diffusa, Turnera ulmifolia seed pictures". shroomery.org. Retrieved 7 September 2016.
  21. ↑ "Turnera diffusa var diffusa or var aphrodisiaca or what?". National Gardening Association. Retrieved 7 September 2016.
  22. ↑ "Tropical Plant Database". Raintree. Retrieved 7 September 2016.
  23. ↑ Meerow, Alan W.; Ayala-Silva, Tomás; Irish, Brian M. (December 2010). "Turnera diffusa 'Luisa', a Drought-tolerant Small Shrub for Warm Climates". HortScience. 45 (12): 1895–1896. doi: 10.21273/HORTSCI.45.12.1895 .
  24. ↑ "Elm-leaved Turnera – Turnera ulmifolia". A Neotropical Savanna. Retrieved 7 September 2016.
  25. ↑ "Turnera Ulmifolia". College of Micronesia. Retrieved 7 September 2016.
  26. ↑ "Woody and Herbaceous Plants Native to Haiti" (PDF). University of Florida, Miami-Dade. Retrieved 7 September 2016.
  27. ↑ Schäffer, Marion; Gröger, Thomas; Pütz, Michael; Zimmermann, Ralf (July 2013). "Assessment of the presence of damiana in herbal blends of forensic interest based on comprehensive two-dimensional gas chromatography". Forensic Toxicology. 31 (2): 251–262. doi:10.1007/s11419-013-0186-5. S2CID   21030359 . Retrieved 7 September 2016.
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