A Comparative Analysis of Four Kinds of Polysaccharides Purified from Furcellaria lumbricalis

作     者：BARROW Colin 

作者机构：Ocean Nutrition Canada Ltd. Dartmouth Nova Scotia B2Y 4T6 Canada 

出 版 物：《Journal of Ocean University of China》 (中国海洋大学学报（英文版）)

年 卷 期：2007年第6卷第1期

页      面：16-20页

学科分类：0710[理学-生物学] 071010[理学-生物化学与分子生物学] 081704[工学-应用化学] 0908[农学-水产] 07[理学] 0707[理学-海洋科学] 08[工学] 0817[工学-化学工程与技术] 0815[工学-水利工程] 0824[工学-船舶与海洋工程] 

基　　金：1405-814147 Jinan Science and Technology Bureau: 05-2-NS-27 Atlantic Canada Opportunities Agency,ACOA National Key Research and Development Program of China,NKRDPC: 2003CB 716401 

主　　题：Furcellaria lumbricalis sulfated galactan carrageenan floridean starch 

摘      要：Four kinds of polysaccharides (FA, FB, FC and FD) were extracted and purified from a red alga Furcellaria lumbri-calis. Their monosaccharide composition, average molecular mass (Mw) and structural feature were determined by gas chromatog-raphy (GC), high performance gel permeation chromatography (HPGPC) and Fourier transform infrared spectroscopy (FTIR), respectively. The results showed that FA and FB were composed of galactose (Gal), 3,6-anhydro-galactose (AnG) and 4-sulfated-galactose (G4S), which were structurally similar to β-carrageenan and κ-carrageenan. FC was composed of sulfated galactose and small amount of AnG, indicating that it was a hybrid-sulfated galactan. FD was composed of α-1, 4-glucose and belonged to floridean starch. The respective yields of FA, FB, FC and FD were 4.84%,33.74%,8.76% and 13.5%, and the cor-responding Mw were 537 kD, 432 kD, 513 kD and 51 kD respectively. Owning to its high content ( 60%) of polysaccharide, F. lumbricalis will be a good source of marine sulfated polysaccharide and shows its potential utilization in food and medicine.