Stenochlaena palustris

Stenochlaena palustris
Stenochlaena palustris
Scientific classification
Kingdom: Plantae
Division: Pteridophyta
Class: Pteridopsida
Order: Polypodiales
Family: Blechnaceae
Genus: Stenochlaena
Species: S. palustris
Binomial name
Stenochlaena palustris
(Burm. f.) Bedd.

Stenochlaena palustris (Tagalog: dilimán[1]) is an edible medicinal fern species. In the folk medicines of India and Malaysia, the leaves of this fern are used as remedies for fever, skin diseases, ulcers, and stomachache.[2][3]

This plant is a long-climbing fern with thin black scales and stems that can reach up to 20 m. It has pinnate fronds that are 30–100 cm long, petioles that are 7–20 cm long, and ovate lanceolate pinnae that are 10–15 cm long and 1.5–4.5 cm wide. The fern's sporophylls are long and narrow, and have brownish sori undernwath.[4]

Acylated flavonol glycosides isolated from the fern were found to have antibacterial activities.[5] Crude and partially purified extracts prepared from the fern have been shown to exhibit antifungal,[6] antioxidant,[7] and antiglucosidase [8] activities.

The district of Diliman in Quezon City, one of the Philippines' most important educational districts, is named after this fern.[9]

References

  1. ↑ http://www.ntfp.org/index.php?go=product&iid=279
  2. ↑ Compendium of medicinal plants used in Malaysia. 2002, vol 2. Herbal Medicine Research Centre, Institute for Medical Research, Kuala Lumpur, Malaysia.
  3. ↑ Benjamin, A. and V.S. Manickam. 2007. Medicinal pteridophytes from the Western Ghats. Indian Journal of Traditional Knowledge. 6: 611-618.
  4. ↑ Tanaka, Yoshitaka; Van Ke, Nguyen (2007). Edible Wild Plants of Vietnam: The Bountiful Garden. Thailand: Orchid Press. p. 58. ISBN 9745240893.
  5. ↑ Liu, H., J. Orjala, O. Sticher, and T. Rali. 1999. Acylated flavonol glycosides from leaves of Stenochlaena palustris. Journal of Natural Products. 62: 70-75.
  6. ↑ Sumathy, V., S. Jothy Lachumy, Z. Zuraini, and S. Sasidharan. 2010. Effects of Stenochlaena palustris leaf extract on growth and morphogenesis of food borne pathogen, Aspergillus niger. Malaysian Journal of Nutrition. 16: 439-446.
  7. ↑ Chai TT, Panirchellvum E, Ong HC, Wong FC (2012) Phenolic contents and antioxidant properties of Stenochlaena palustris, an edible medicinal fern. Botanical Studies 53: 439-446.
  8. ↑ Chai TT, Kwek MT, Ong HC, Wong FC (2015) Water fraction of edible medicinal fern Stenochlaena palustris is a potent α-glucosidase inhibitor with concurrent antioxidant activity. Food Chemistry 186: 26-31.
  9. ↑ http://www.upd.edu.ph/~updinfo/UPDate%20Magazine/magazine/UPDate%20magazine%20no2.html
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