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KMID : 1160620060110010017
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Preventive Nutrition and Food Science
2006 Volume.11 No. 1 p.17 ~ p.24
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Cytotoxic Activities of Green and Brown Seaweeds Collected from Jeju Island against Four Tumor Cell Lines
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Kim Kil-Nam
Lee Ki-Wan
Song Choon-Bok
Jeon You-Jin
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Abstract
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Methanolic and aqueous extracts from 37 seaweed species (10 green and 27 brown seaweeds) collected from Jeju Island coast were prepared at high (70℃) and room (20℃) temperatures and examined for cytotoxic activity against 4 tumor cell lines: U937 (human monoblastoid leukemia cell line), HL60 (human promyelocytic leukemia cell line), HeLa (woman cervical carcinoma cell line) and CT26 (mouse colon carcinoma line). Both MeOH extracts of Desmarestia tabacoides and Dictyota dichotoma possessed strong cytotoxic activities against all the tumor cell lines tested, but the aqueous extract exhibited no activity. On the other hand Ecklonia cava showed strong cytotoxic activities for the 20℃ aqueous extract against the three tumor cells except HeLa cell. Sagassum coreanum and Sagassum siliquastrum 20℃ aqueous extracts also exhibited strong cytotoxic activities against U937, HL60, HeLa cells. Even though green seaweeds showed less activity than brown seaweeds, 20℃ aqueous extracts of Codium contractum and Codium fragile exhibited strong cytotoxic activities against HL60 or CT26 cells, respectively.
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KEYWORD
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cytotoxic activity, seaweeds extract, Jeju Island, tumor cells
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