Optimization of Extraction Process of Water-Soluble Polysaccharides from Porphyra by Response Surface Methodology

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Polysaccharide from Porphyra is a kind of important biological active substance. Therefore,it is significant to effectively develop and utilize the polysaccharide from porphyra and improve the economic and social benefits of porphyra. In this paper, polysaccharide was extracted by the method of hot water immersed extraction and ethanol precipitation. Extraction process of water-soluble polysaccharides from Porphyra was optimized by response surface methodology. The content of polysaccharide was determined by sulfuric acid to phenol method. The results show that the extraction time is 4.4 h, extraction temperature is 88°Cand the ratio of material to liquid is1:42(g/mL). Polysaccharide is precipitated with 5 folds volume of ethanol for 6 h. The proportion of the extraction of the porphyra polysaccharide under this industrial process conditions is 10.012%.

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Periodical:

Advanced Materials Research (Volumes 864-867)

Edited by:

Hui Li, Qunjie Xu and Honghua Ge

Pages:

526-530

Citation:

Y. C. Li et al., "Optimization of Extraction Process of Water-Soluble Polysaccharides from Porphyra by Response Surface Methodology", Advanced Materials Research, Vols. 864-867, pp. 526-530, 2014

Online since:

December 2013

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$38.00

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