Abstract
The separation and purification of extracellular polysaccharides from Coriolus versicolor LH1 were investigated along with their α-glucosidase inhibition properties. Three polysaccharide fractions (ePS-F2-1, ePS-F3-1, and ePS-F4-1) were separated from the culture medium of LH1 using a DEAE anion-exchange column and a Sephadex™ G-50 gel filtration column. Their chemical compositions was determined. On the basis of an α-glucosidase inhibition assay, the enzyme inhibition activities of ePS-F2-1, ePS-F3-1, and ePS-F4-1 were investigated. Among these, ePS-F4-1 had the highest enzyme inhibition effects on α-glucosidase. According to the results of the chemical component analysis, ePS-F3-1 and ePS-F4-1 are the polysaccharides which are combined with triterpenoides, and ePS-F2-1 is complexed with proteins and triterpenoides.
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