Process for preparing polysaccharide of abalones

Abstract

The invention relates to a preparation process of polysaccharide of abalones, which comprises the following steps: 1, pulping the washed meat or organs of abalones to obtain pretreating solution of abalones, and pretreating at normal temperature by a high voltage pulse electric field (PEF); 2, flocculating the abalone feed liquid, which is treated by PEF, by using chitosan to remove crude protein and improve the purity of the polysaccharide; 3, treating the pretreated liquid by using an electrodialysis technique to remove heavy metal effectively; and 4, precipitating in ethanol to prepare the polysaccharide of abalones. When the process is used, the yield of polysaccharide is improved greatly, the bioactivity of the polysaccharide is ensured and the problem of low polysaccharide yield of the continual enzymic extraction process.

Description

technical field

[0001] The invention relates to the field of polysaccharide extraction of shellfish. Background technique

[0002] Polysaccharides are an important class of biologically active substances, which participate in the regulation of various life phenomena of cells, can be used as immune enhancers, can control cell division and differentiation, and regulate cell growth and aging. It has an inhibitory effect on tumor cells and has no toxic effect on normal cells. At present, there are few reports on the research on the extraction of polysaccharides from abalone. Zhu Beiwei from Dalian University of Technology in China successfully extracted polysaccharides from abalone by enzymatic method, and animal experiments showed that abalone polysaccharides have anti-inflammatory, anti-oxidation, anti-fatigue and other effects. Although enzymatic extraction can make the subsequent concentration and deproteinization process easier and save time, it is mainly used for the ext...

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