Alpinia rafflesiana

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Alpinia rafflesiana
Scientific classification OOjs UI icon edit-ltr.svg
Kingdom: Plantae
Clade: Tracheophytes
Clade: Angiosperms
Clade: Monocots
Clade: Commelinids
Order: Zingiberales
Family: Zingiberaceae
Genus: Alpinia
Species:
A. rafflesiana
Binomial name
Alpinia rafflesiana
Wall. ex Baker

Alpinia rafflesiana, commonly known in Malaysia as tepus telor, is a perennial herb belonging to the family Zingiberaceae. [1] It is native to peninsular Malaysia. [2]

Contents

Description

The herb typically grows 0.5 meters (1.5 ft) to 2 meters (6 ft) tall. [3] The leaves are hairless and smooth on the upper surface and have light velvety hairs on the lower surface and margins in an alternating arrangement. [2] It has an indeterminate inflorescence and is monoecious, with the female flower having 5 carpels and 5 stigmas and the male flowers having 5 anthers. [4] [5] Flowers are bright orange colored, measure between 4 and 4 ½ cm long with dark orange bracts and boat-shaped lobes; they lack petals and have a lily-like fragrance.[ citation needed ] The fruits are small, round, green, fleshy and contain one seed. [3]

Ecology

Alpinia rafflesiana is found in the secondary forest and tends to grow from sea level to 1,200 meters. [1] This plant tends to grow best in environments with full to partial sunlight, and moist and fertile soil. [1] The A. rafflesiana species is dispersed by wind and water, and the species is pollinated by birds, bees and bats. [6] [7]

Cultivation and uses

Alpinia rafflesiana is mainly cultivated as a medicinal crop,[ citation needed ] growing the best in an environment containing moist and nutritious soil with either partial or full sunlight. [1] The fruit of the A. rafflesiana plant is used as an anti-inflammatory and alternative cancer treatment by isolating cardamonin, a chemical that inhibits major signaling pathways found in inflammation and cancer. [8] [ failed verification ] In neuroinflammatory disorders, the isolated cardamonin has been used to block the secretion of pro-inflammatory mediators. [9] Cardamonin isolated from A. rafflesiana has shown to be successful in treating ulcers, nausea and vomiting, bacterial infections, fungal infections, low blood sugar, indigestion, and anxiety. [10] The leaves, pseudo-stems, rhizomes, and fruit of the plant are used to produce essential oils with antimicrobial properties. [11] The leaves of A. rafflesiana are commonly used to shrink and drain boils through poultice application. [1]

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References

  1. 1 2 3 4 5 "Useful Tropical Plants". tropical.theferns.info. Retrieved 2020-12-12.
  2. 1 2 "Flora of Peninsular Malaysia Online - Newsletter subscription page". www.tfbc.frim.gov.my. Retrieved 2020-12-12.
  3. 1 2 "Plants of the World Online | Kew Science". Plants of the World Online. Retrieved 2020-12-12.
  4. "Alpinia rafflesiana". www.tfbc.frim.gov.my. Retrieved 2020-12-12.
  5. Barrett, Spencer C. H. (2010-02-12). "Darwin's legacy: the forms, function and sexual diversity of flowers". Philosophical Transactions of the Royal Society B: Biological Sciences. 365 (1539): 351–368. doi: 10.1098/rstb.2009.0212 . ISSN   0962-8436. PMC   2838255 . PMID   20047864.
  6. Benedict, John C.; Smith, Selena Y.; Collinson, Margaret E.; Leong-Škorničková, Jana; Specht, Chelsea D.; Marone, Federica; Xiao, Xianghui; Parkinson, Dilworth Y. (2015-10-29). "Seed morphology and anatomy and its utility in recognizing subfamilies and tribes of Zingiberaceae". American Journal of Botany. 102 (11): 1814–1841. doi: 10.3732/ajb.1500300 . ISSN   0002-9122. PMID   26507111.
  7. Kress, W. John; Liu, Ai-Zhong; Newman, Mark; Li, Qing-Jun (January 2005). "The molecular phylogeny of Alpinia (Zingiberaceae): a complex and polyphyletic genus of gingers". American Journal of Botany. 92 (1): 167–178. doi:10.3732/ajb.92.1.167. PMID   21652395.
  8. Ghosh, S.; Rangan, L. (June 2013). "Alpinia: the gold mine of future therapeutics". 3 Biotech. 3 (3): 173–185. doi:10.1007/s13205-012-0089-x. ISSN   2190-572X. PMC   3646104 . PMID   28324376.
  9. Chow, Yuh-Lit; Lee, Ka-Heng; Vidyadaran, Sharmili; Lajis, Nordin Haji; Akhtar, M. Nadeem; Israf, Daud Ahmad; Syahida, Ahmad (April 2012). "Cardamonin from Alpinia rafflesiana inhibits inflammatory responses in IFN-γ/LPS-stimulated BV2 microglia via NF-κB signalling pathway". Immunopharmacology. 12 (4): 657–665. doi:10.1016/j.intimp.2012.01.009. PMID   22306767.
  10. Ma, Xiao-Ni; Xie, Chun-Lan; Miao, Zi; Yang, Quan; Yang, Xian-Wen (2017). "An overview of chemical constituents from Alpinia species in the last six decades". RSC Advances. 7 (23): 14114–14144. Bibcode:2017RSCAd...714114M. doi: 10.1039/C6RA27830B . ISSN   2046-2069.
  11. Jusoh, Shariha; Sirat, Hasnah Mohd; Ahmad, Farediah (September 2013). "Essential Oils of Alpinia Rafflesiana and Their Antimicrobial Activities". Natural Product Communications. 8 (9): 1934578X1300800. doi: 10.1177/1934578X1300800933 . ISSN   1934-578X.