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Citation: ZHANG Shu-Ping, WANG Jin-Ge, . Comparison of Physicochemical Properties of Fucoidan Extracted by Different Ways[J]. Chinese Journal of Applied Chemistry, ;2007, 24(12): 1448-1451. shu

Comparison of Physicochemical Properties of Fucoidan Extracted by Different Ways

ZHANG Shu-Ping ^a,, ,
WANG Jin-Ge ^a ,
^b

1.
a Shanghai University of Science and Technology, Shanghai 200093;
2.
b Shanghai University, Shanghai

Corresponding author: ZHANG Shu-Ping,
Received Date: 22 January 2007
Available Online: 20 May 2007
Fund Project: 山东省自主创新重大科技专项资助项目(2006103) (2006103)上海市国内合作项目资助项目(073458014) (073458014)

Physicochemical properties of Fucoidan extracted by different ways were determined and compared.For the Fucoidan from alcohol precipitation,the total sugar content was(76.00±9.00)%,the Fucoidan content was(35.60±4.20)%,the vitriolic radical was(11.33±0.47)%,and the weight averaged molecular mass(M_w) and the number averaged molecular mass(M_n) were 3.42×10⁴ and 1.21×10⁴.For the Fucoidan from macromolecule electrolyte precipitation,the total sugar content was(70.00±11.00)%,the Fucoidan was (35.15±2.85)%,the vitriolic radical was(10.80±0.58)%,and the M_w and M_n were 1.15×10⁵ and 5.88×10⁴.The content of macromolecule electrolyte residue was(0.12±0.038)% in the crude Fucoidan,and(0.022±0.022)% in the purified Fucoidan.So it has been proved that alcohol precipitation method is better than the other.But the macromolecule electrolyte precipitation method has its advantages.For example,it is a simple process with lower cost and more suitable for industrialization.
- Fucoidan,
- physicochemical property,
- extraction
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