Isolation and characterization of an anti-complementary protein-bound polysaccharide from the stem barks of Eucommia ulmoides

EWDS-1, a homogeneous protein-bound polysaccharide, was isolated as an anti-complementary agent from the stem barks of Eucommia ulmoides. EWDS-1 was identified as a branched proteoglycan with average molecular weight about 2,000,000 Da, composed of Gal, Glc and Ara in the ratio of 2.1:1.0:0.9, along...

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