Compared the extraction ef f ects of polysaccharides f rom Opuntia Milpa Alta by ethyl alcohol of various concentrations. The results indicated that volume fraction 60% ethyl alcohol was the optimum solvent.

• 比较了用不同体积分数的乙醇溶液提取米邦塔仙人掌(Opuntia Milpa Alta)茎多糖的效率,结果表明以60%25的乙醇为最佳。