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A new heteropolysaccharide, WPP60A, with a molecular weight of 2.4kDa, was isolated from Wedelia prostrata by hot water extraction, and purified by DEAE Sepharose fast flow and Sephacryl S-200 high-resolution chromatography. Compositional analysis, and methylation analysis, combined with 1 H, 13 C NMR spectroscopy including 2D NMR (COSY, TOCSY, HMQC, NOESY, and HMBC) experiments demonstrated...
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