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中国生物工程杂志

China Biotechnology
China Biotechnology  2009, Vol. 29 Issue (03): 47-50    DOI:
    
Comparison of desulfation and immunoactivity of polysaccharide from Gracilaria lemaneiformis
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Abstract  

The desulfation rate and immunoactivity of polysaccharide of Gracilaria lemaneiformis was investigated after using two desulfation method (Miller, et al and Nagasawa, et al ).The results showed that using the Miller method, the best desulfation effect was obtained when Oxalic acid was used as catalyst, and the desulfation rate achieved to 71.4%, but the polysaccharide recovery rate was only 36.4%. Using Nagasawa method, the desulfation rate was 72.9% with DMSO mixed with methanol 10%, which had a better desulfation effect than 2% pyridine or 2% pyridine+2% trimethylchlorosilane, and the polysaccharide recovery rate was 48.9%,. The immunostimulation of polysaccharide was decreased after desulfation.



Key wordsGracilaria lemaneiformis;Polysaccharides;Sulfate;Desulfation;Immunoactivity     
Received: 22 September 2008      Published: 31 March 2009
ZTFLH:  Q53  
Cite this article:

. Comparison of desulfation and immunoactivity of polysaccharide from Gracilaria lemaneiformis. China Biotechnology, 2009, 29(03): 47-50.

URL:

https://manu60.magtech.com.cn/biotech/     OR     https://manu60.magtech.com.cn/biotech/Y2009/V29/I03/47

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