Evaluation of In-vitro Anticoagulation Activity of 35 Different Seaweed Extracts
- 30 November 2010
- journal article
- Published by Korean Society of Life Science in Journal of Life Science
- Vol. 20 (11), 1640-1647
- https://doi.org/10.5352/jls.2010.20.11.1640
Abstract
Evaluation of In-vitro Anticoagulation Activity of 35 Different Seaweed Extracts Edible seaweeds;anticoagulation activity;activated partial thromboplastin time;prothrombin time;thrombin time;Sargassum confusum; Seaweeds have been recognized as a health food, having anti-obesity, anti-constipation and anticoagulation activities, and the use of seaweeds in the food, medicine, and cosmetic industries have recently significantly increased. In this study, methanol extracts were prepared from 35 different seaweeds (17 phaeophyta, 11 rhodophyta and 7 chlorophyta), and thrombin time (TT), prothrombin time (PT) and activated partial thromboplastin time (aPTT) were determined in order to develop safe and novel anticoagulation agents from natural products. In TT experiments, Ecklonia cava, Ecklonia stolonifera, Eisenia bicyclis (Kjellman) Setchell, Ishige foliacea, I. okamurai, Sargassum confusum and S. yamade showed strong thrombin inhibition activity among the 35 different seaweeds. In PT experiments, the inhibitions of prothrombin were identified in the selected seaweeds from TT experiment, with the exception of S. yamade. In aPTT experiments, the seaweeds with blood coagulation inhibition factors were E. cava, E. stolonifera, E. bicyclis (Kjellman) Setchell, I. foliacea, I. okamurai, S. confusum and Hixikia fusiforme Okamura. Further anticoagulation assay with the selected 8 seaweeds suggested that S. confusum is most effective in antithrombosis, and E. stolonifera, E. bicyclis (Kjellman) Setchell, and I. foliacea have high potential as antithrombosis agents. Based on components-activity correlation analysis, flavonoids are considered as active anticoagulation components of seaweeds These results suggest that edible seaweeds, especially S. confusum, have potential as safe and novel anticoagulants, and S. yamade and H. fusiforme Okamura could be used as a thrombin-specific and coagulation factor-specific inhibitors.Keywords
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