Antioxidative and hepatoprotective effects of the polysaccharides from Zizyphus jujube cv. Shaanbeitanzao

► ZSP was an arabinose-enriched heteropolysaccharide extract. ► A powerful HPLC analysis for PMP-labeled monosaccharides was achieved. ► ZSP possessed high scavenging ability of free radicals. ► ZSP had a significant protective effect against CCl4-induced hepatotoxicity in mice. ► ZSP is a good therapeutic candidate for a valuable hepatoprotection food.