Chemical characterization and bioactivities of polysaccharides from Apocynum venetum leaves extracted by different solvents

Apocynum venetum has a long history as a Chinese traditional tea. As one of the major components, polysaccharides from Apocynum venetum leaves were extracted with acid (HCl), distilled water and alkaline (NaOH) to study the effect of the extraction solvents on their chemical composition and biologic...

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