Results: ( 1) The coarse jujube polysaccharides were preliminarily purified by means of skellysolve G degrease, enzyme unite chloroacetic acid butanol to remove protein, H2O2 depigmentation, ethanol precipitation. 结果:(1)大枣粗糖用石油醚脱脂、酶-三***-正丁醇联合应用脱蛋白、H2O2脱色和乙醇沉淀。