Preparation method and application of ulva polysaccharide with auxiliary anti-liver cancer effect

The invention relates to the technical field of medicines, in particular to a preparation method and application of ulva polysaccharide with an auxiliary anti-hepatoma effect. Compared with a traditional acid method for preparation, the preparation method of the ulva polysaccharide with the auxiliary anti-hepatoma effect has the advantages that strong acid is not used, operation is convenient, efficiency is high, and pollution is avoided; the ulva oligosaccharide is prepared by using a green preparation technology of oxygenolysis of hydrogen peroxide and ascorbic acid, has the characteristics of no side reaction, mild conditions, environmental friendliness and the like, and is suitable for large-scale popularization and application. 本发明涉及医药技术领域，具体为一种具有辅助抗肝癌作用的石莼多糖的制备方法及其应用；本发明提供的具有辅助抗肝癌作用的石莼多糖的制备方法相比传统的酸法制备，避免了使用强酸，具有操作方便、效率高、无污染的优点；本发明中石莼低聚糖为利用过氧化氢及抗坏血酸氧化分解的绿色制备技术制得，具有不会发生副反应、条件温和、环境友好等特点，适宜大规模推广应用。