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Comparative Studies on Fucoidan Yield, Monosaccharide and Hypolipidemic Activity from Complex Enzymes and Water Method

Xueqian Dong 1, Yonggang Zhang 2, Lin Zhao 3, Wei Wang 2, and Jianjun Liu 2
1. Shandong Food Ferment Industry Research & Design Institute, Jinan, People’s Republic of China
2. Shandong Food Ferment Industry Research & Design Institute, Jinan, People’s Republic of China
3. Qilu University of Technology, Jinan, People’s Republic of China
Abstract—Fucoidan extraction yield, monosaccharide, hypolipidemic activity from new complex enzyme extraction method and water extraction of different temperature were compared in this paper. The results showed that fucoidan and total sugar extraction yield by composite enzyme extraction were significantly higher than those from hot-water method, which the crude fucoidan yield (2.04%) increased 58.13% and the first withdrawal rate reached more than 90%. The higher proportion of mannose (18.41%) and sulfate radical (42.42%) content, lower proportion of xylose (1.80%) and glucosamine (2.67%) content in the fucoidan from complex enzyme extraction was found by the monosaccharide composition analysis. Fucoidan obtained from composite enzyme extraction had higher hypolipidemic activity, which could reduce hyperlipidemia mice atherosclerosis index (AI) was higher than hot-water extraction (66.83% VS 53%, P<0.01). These results indicated that the complex enzyme extraction method was an effective method that could efficiently extract fucoidan from Laminaria japonica, and suitable for production of fucoidan with high hypolipidemic activity.
 
Index Terms—fucoidan, Laminaria japonica, complex enzyme, water extraction method, monosaccharide, hypolipidemic activity

Cite: Xueqian Dong, Yonggang Zhang, Lin Zhao, Wei Wang, and Jianjun Liu, "Comparative Studies on Fucoidan Yield, Monosaccharide and Hypolipidemic Activity from Complex Enzymes and Water Method," International Journal of Food Engineering, Vol. 3, No. 1, pp. 6-11, June 2017. doi: 10.18178/ijfe.3.1.6-11
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