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Variation in Fucoidan Contents and Monosaccharide Compositions of Korean Undaria pinnatifida

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Title
Variation in Fucoidan Contents and Monosaccharide Compositions of Korean Undaria pinnatifida
Other Titles
한국산 미역의 푸코이단 함량과 단당류 조성
Authors
임동정
Lee, Yoo Kyung
박용일
이윤희
Keywords
Fucoidan; Undaria pinnatifida; composition; monosaccharide
Issue Date
2006
Citation
임동정, et al. 2006. "Variation in Fucoidan Contents and Monosaccharide Compositions of Korean Undaria pinnatifida". Algae, 21(1): 157-160.
Abstract
Three different forms of Undaria pinnatifida, the southern form (U. pinnatifida f. typica), the northern form (U. pinnatifida f. distans), and Samcheok form (recently cultivated strain), were examined for the contents and compositions of fucoidans. Fucoidans were extracted from the dried edible portions of three forms of U. pinnatifida in low pH condition, mainly by ethanol precipitation and CaCl2 treatment. It was shown that Samcheok form contains 1.8 and 3.5 times more fucoidans than the northern and the southern forms, respectively. The monosaccharide compositions of individual fucoidans were also varied. The fucoidans from the southern and the northern forms were shown to be composed of mainly fucose and galactose with the molar percentage ratios of 83.5%:16.5% and 87.4%:12.6%, respectively, indicating that these are F-type fucoidans. The fucoidan from Samcheok form, however, consisted of fucose (62.7%), galactose (32.9%), and small amount of glucose (4.4%). The results of this study showed that both amount and monosaccharide compositions of fucoidans are variable depending on U. pinnatifida forms.
URI
http://repository.kopri.re.kr/handle/201206/6697
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