Journal
INTERNATIONAL JOURNAL OF BIOLOGICAL MACROMOLECULES
Volume 43, Issue 5, Pages 433-437Publisher
ELSEVIER
DOI: 10.1016/j.ijbiomac.2008.08.006
Keywords
Fucoidans; Molecular weight; Anticancer activity; Depolymerization; Undaria pinnatifida
Funding
- Ministry of knowledge economy [RTI05-01-02]
- Ministry of Education and Human Resources Development, Republic of Korea.
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Hydrolyzed fucoidans, from sporophyll of Undaria pinnatifida, were used to determine the effects of molecular weight (M,) and hydrolysis conditions on cancer cell growth. Native fucoidans showed anticancer activity of 37.6%. When hydrolyzed in boiling water with HCl for 5 min, fucoidans (M-w = 490 kDa) significantly increased anticancer activity to 75.9%. However, fucoidans hydrolyzed in a microwave oven showed little improvement of anticancer activity and even exhibited the inhibition activity below 30% when treated more than 90 s. This suggests that anticancer activity of fucoidans could be significantly enhanced by lowering their M, only when they are depolymerized by mild condition. (C) 2008 Elsevier B.V. All rights reserved.
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