Ecklonia cava

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Ecklonia cava
Brown algae hi.jpg
Ecklonia cava
Scientific classification
Kingdom: Chromalveolata
Division: Heterokontophyta
Class: Phaeophyceae
Order: Laminariales
Family: Lessoniaceae
Genus: Ecklonia
Species: E. cava
Binomial name
Ecklonia cava

Ecklonia cava is an edible marine brown alga species found in the ocean off Japan and Korea.

It is used as a herbal remedy in the form of an extract called Seanol, a polyphenolic extract. Another phlorotannin-rich natural agent, Ventol, is also extracted from E. cava.[1]

Phlorotannins, such as fucodiphlorethol G,[2] 7-phloro eckol, 6,6'-bieckol,[3] eckol, 8,8'-bieckol, 8,4"'-dieckol and phlorofucofuroeckol A can be isolated from Ecklonia cava.[4]

Other components are common sterol derivatives (fucosterol, ergosterol and cholesterol).[3]


  1. ^ Kang, K.; Hwang, H. J.; Hong, D. H.; Park, Y.; Kim, S. H.; Lee, B. H.; Shin, H. C. (2004). "Antioxidant and antiinflammatory activities of ventol, a phlorotannin-rich natural agent derived from Ecklonia cava, and its effect on proteoglycan degradation in cartilage explant culture". Research communications in molecular pathology and pharmacology. 115-116: 77–95. PMID 17564307. 
  2. ^ Isolation of a New Phlorotannin, Fucodiphlorethol G, from a Brown Alga Ecklonia cava. Young Min Ham, Jong Seok Baik, Jin Won Hyun and Nam Ho Lee, Bull. Korean Chem. Soc. 2007, Vol. 28, No. 9 1595
  3. ^ a b Li, Y.; Qian, Z. J.; Ryu, B.; Lee, S. H.; Kim, M. M.; Kim, S. K. (2009). "Chemical components and its antioxidant properties in vitro: An edible marine brown alga, Ecklonia cava". Bioorganic & Medicinal Chemistry 17 (5): 1963–1973. doi:10.1016/j.bmc.2009.01.031. PMID 19201199. 
  4. ^ Ahn, M. J.; Yoon, K. D.; Min, S. Y.; Lee, J. S.; Kim, J. H.; Kim, T. G.; Kim, S. H.; Kim, N. G.; Huh, H.; Kim, J. (2004). "Inhibition of HIV-1 reverse transcriptase and protease by phlorotannins from the brown alga Ecklonia cava". Biological & Pharmaceutical Bulletin 27 (4): 544–547. doi:10.1248/bpb.27.544. PMID 15056863. 

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