Swertia
| Swertia | |
|---|---|
 |
|
| Swertia perennis | |
| Scientific classification | |
| Kingdom: | Plantae |
| (unranked): | Angiosperms |
| (unranked): | Eudicots |
| (unranked): | Asterids |
| Order: | Gentianales |
| Family: | Gentianaceae |
| Genus: | Swertia L. |
| Type species | |
| Swertia perennis L. |
|
| Species | |
|
120-150, See text. |
|
| Synonyms | |
|
Kingdon-Wardia C. Marquand |
|
Swertia is a genus in the gentian family containing plants sometimes referred to as the felworts. Some species bear very showy purple and blue flowers.[4][5]
Plants of genus Frasera are sometimes considered part of this genus, sometimes as a separate genus, and sometimes as synonymous.
Contents |
[edit] Selected species
- Swertia angustifolia Buch.-Ham. ex D. Don
- Swertia bimaculata (Siebold & Zucc.) C. B. Clarke
- Swertia bimaculata (Siebold & Zucc.) Hook. f. & Thoms.
- Swertia calcicola Kerr.
- Swertia chinensis (Griseb.) Franch.
- Swertia diluta (Turcz.) Benth. & Hook. f.
- Swertia chirayita (Roxb. ex Fleming) H. Karst.
- Swertia chirata (Wall.) C. B. Clarke
- Swertia ciliata (D. Don ex G. Don) B. L. Burtt.
- Swertia dilatata C. B. Clarke
- Swertia hookeri C. B. Clarke
- Swertia japonica (Roem. & Schult.) Makino
- Swertia leducii Franch.
- Swertia mileensis T. N. Ho & W. L. Shih
- Swertia macrosperma C. B. Clarke
- Swertia multicaulis D. Don
- Swertia nervosa (G. Don) C. B. Clarke
- Swertia perennis L.
- Swertia punicea Hemsl.
- Swertia purpurascens (D. Don) A. Wall ex E. D. Clarke
- Swertia striata Collett & Hemsl.
- Swertia tibetica Batal.
- Swertia tongluensis Burkill
[edit] Chemical constituents
It contains main chemicals sawertiamarine, mangeferin and amarogenitine[7]1,5, 8-trihydroxy-3-methoxyxanthone, 1-hydroxyl-2, 3, 5, 7-tetramethoxyxanthone, 1-hydroxyl-3, 5, 8-trimethoxyxanthone, 1-hydroxyl-2, 3, 4, 6-tetramethoxyxanthone, 1-hydroxyl-2, 3, 4, 7-tetramethoxyxanthone, 1,8-dihydroxy-3, 5-dimethoxyxanthone, 1, 7-dihydroxy-3, 8-dimethoxyxanthone, 1, 3, 5, 8-tetrahydroxyxanthone , balanophonin, oleanolic acid, maslinic acid, and sumaresinolic acid[8]
Swerilactones from Swertia mileensis showed anti-hepatitis B virus activity in vitro[9]
[edit] Medicinal Use
It is used in mainly including gall and liver disorders and these active constituents, especially mangiferin, have been found separately or collectively to have hepatoprotective hypoglycemic, anti-inflammatory , antioxidative, antitubercular and antifungal activities together with various ther pharmacological properties.[10]
[edit] References
- ^ a b Germplasm Resources Information Network (GRIN) (2004-09-23). "Genus: Swertia". Taxonomy for Plants. USDA, ARS, National Genetic Resources Program, National Germplasm Resources Laboratory, Beltsville, Maryland. http://www.ars-grin.gov/cgi-bin/npgs/html/genus.pl?11742. Retrieved 2008-05-16.
- ^ "Index Nominum Genericorum database". International Code of Botanical Nomenclature. Smithsonian Institution. 1978. http://botany.si.edu/ing/INGsearch.cfm?searchword=Swertia. Retrieved 2008-05-16.
- ^ "Linnaean Name: Swertia perennis Linnaeus". The Linnaean Plant Name Typification Project. Natural History Museum. http://internt.nhm.ac.uk/jdsml/research-curation/projects/linnaean-typification/detail.dsml?ID=870100. Retrieved 2008-05-16.
- ^ http://www.iisc.ernet.in/~currsci/aug252005/635.pdf
- ^ http://www.ansab.org/UserFiles/chiraito.pdf
- ^ Porcher, Michel H.; et al. (2004). "Sorting Swertia names". Multilingual Multiscript Plant Name Database. The University of Melbourne. http://www.plantnames.unimelb.edu.au/Sorting/Swertia.html. Retrieved 2008-05-16.
- ^ Journal of Ethnopharmacology 98 (2005) 31–35
- ^ Li XS, Jiang ZY, Wang FS, Ma YB, Zhang XM, Chen JJ "Chemical constituents from herbs of Swertia mileensis" Zhongguo Zhong Yao Za Zhi. 2008 Dec;33(23):2790-3
- ^ Geng CA, Zhang XM, Ma YB, Luo J, Chen JJSwerilactones L-O, secoiridoids with C₁₂ and C₁₃ skeletons from Swertia mileensis. J Nat Prod. 2011 Aug 26;74(8):1822-5
- ^ Variation of active constituents of an important Tibet folk medicine Huiling Yang, Chenxu Ding, Yuanwen Duan, Jianquan Liu
[edit] External links
Media related to Swertia at Wikimedia Commons
