Ecklonia stolonifera — Details

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Ecklonia stolonifera

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Ecklonia stolonifera (Japanese: ツルアラメ, turuarame) is a brown alga species in the genus Ecklonia found in the Sea of Japan. It is an edible species traditionally eaten in Japan.[1]

Contents

Chemistry

Phlorotannins

Ecklonia stolonifera contains the phlorotannins phlorofucofuroeckol A,[2] eckol, dieckol,[3] dioxinodehydroeckol[4] (eckstolonol),[5] 2-phloroeckol, phlorofucofuroeckol B, 6,6'-bieckol,[6] triphlorethol-A,[7] phloroglucinol and 7-phloroeckol.[8]

Those phlorotannins are responsible for the potent pharmacological effects associated with this seaweed.[9] These molecules show a hepatoprotective activity.[6][10]

Oxylipins

The oxylipins ecklonialactones A, B,[11] C, D, E and F[12] and fucosterol[7] can also be isolated from the species.

References

  1. ^ Varieties of antioxidant and antibacterial properties of Ecklonia stolonifera and Ecklonia kurome products harvested and processed in the Noto peninsula, Japan. Takashi Kuda, Taeko Kunii, Hideyuki Goto, Takamoto Suzuki and Toshihiro Yano, Food Chemistry, Volume 103, Issue 3, 2007, Pages 900–905, doi:10.1016/j.foodchem.2006.09.042
  2. ^ Phlorofucofuroeckol A inhibits the LPS-stimulated iNOS and COX-2 expressions in macrophages via inhibition of NF-κB, Akt, and p38 MAPK. Kim AR, Lee MS, Shin TS, Hua H, Jang BC, Choi JS, Byun DS, Utsuki T, Ingram D and Kim HR, Toxicol In Vitro., 2011 Dec, 25(8), pages 1789-1795, PubMed
  3. ^ Quantitative determination of major phlorotannins in Ecklonia stolonifera. Goo HR, Choi JS and Na DH, Arch Pharm Res., 2010 Apr, 33(4), pages 539-544, PubMed
  4. ^ Inhibitory effects of phloroglucinol derivatives isolated from Ecklonia stolonifera on Fc(epsilon)RI expression. Shim SY, Choi JS and Byun DS, Bioorg Med Chem., 2009 Jul 1, 17(13), pages 4734-4739, PubMed
  5. ^ A new phlorotannin from the brown alga Ecklonia stolonifera. Kang HS, Chung HY, Jung JH, Son BW and Choi JS, Chem Pharm Bull. (Tokyo), 2003 Aug, 51(8), pages 1012-1014, PubMed
  6. ^ a b Isolation and identification of phlorotannins from Ecklonia stolonifera with antioxidant and hepatoprotective properties in tacrine-treated HepG2 cells. Lee MS, Shin T, Utsuki T, Choi JS, Byun DS and Kim HR, J Agric Food Chem., 2012 May 30, 60(21), pages 5340-5349, doi:10.1021/jf300157w, PubMed
  7. ^ a b Angiotensin-converting enzyme I inhibitory activity of phlorotannins from Ecklonia stolonifera. Hyun Ah Jung, Sook Kyung Hyun, Hyeung Rak Kim and Jae Sue Choi, Fisheries Science, December 2006, Volume 72, Issue 6, pages 1292–1299, doi:10.1111/j.1444-2906.2006.01288.x
  8. ^ Acetyl- and butyrylcholinesterase inhibitory activities of sterols and phlorotannins from Ecklonia stolonifera. Na Y Yoon, Hae Y Chung, Hyeung R Kim and Jae S Choi, Fisheries Science, February 2008, Volume 74, Issue 1, pages 200–207, doi:10.1111/j.1444-2906.2007.01511.x
  9. ^ Quantitative determination of major phlorotannins in Ecklonia stolonifera. Hyun Ryul Goo, Jae Sue Choi and Dong Hee Na, Archives of Pharmacal Research, April 2010, Volume 33, Issue 4, pages 539-544, doi:10.1007/s12272-010-0407-y
  10. ^ Hepatoprotective constituents of the edible brown algaEcklonia stolonifera on tacrine-induced cytotoxicity in hep G2 cells. Youn Chul Kim, Ren Bo An, Na Young Yoon, Taek Jeong Nam and Jae Sue Choi, Archives of Pharmacal Research, December 2005, Volume 28, Issue 12, pages 1376-1380, doi:10.1007/BF02977904
  11. ^ The Absolute Configuration of Ecklonialactones A, B, and E, Novel Oxylipins from Brown Algae of the Genera Ecklonia and Egregia. James S. Todd , Philip J. Proteau and William H. Gerwick, J. Nat. Prod., 1994, 57 (1), pages 171–174, doi:10.1021/np50103a028
  12. ^ Ecklonialactones-C-F from the brown alga Ecklonia stolonifera. Kazuya Kurata, Kazuya Taniguchi, Kazunari Shiraishi and Minoru Suzuki, Phytochemistry, Volume 33, Issue 1, 29 April 1993, Pages 155–159, doi:10.1016/0031-9422(93)85413-L
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