Beta-glucan composition and application thereof

The invention provides a beta-glucan composition and application thereof. Specifically, the invention provides application of a beta-glucan composition to preparation of a composition for improving or treating immune-related diseases, the beta-glucan is beta-glucan containing beta-1,3 and beta-1,6 glucoside bonds in molecules, and the molecular weight of the beta-glucan is 1 to 50 kDa. The beta-glucan has the advantages of novel structure, controllable quality, rich source, simple preparation process, high product purity, high biological activity, easy industrial production and the like, and the obtained water-soluble beta-glucan composition has better anti-tumor activity. The compound is expected to be developed into a novel safe and effective medicine for relieving or treating immune-related diseases and resisting tumors. 本发明提供了一种β-葡聚糖组合物及其用途。具体地，本发明提供了一种β-葡聚糖组合物在制备改善或治疗免疫相关疾病的组合物中的应用，所述的β-葡聚糖是分子中含有β-1,3与β-1,6葡萄糖苷键的β-葡聚糖，其分子量为1-50kDa。本发明中的β-葡聚糖具有结构新颖，质量可控，来源丰富、制备工艺简单，产品纯度高、生物活性强及易于产业化生产等优点，由本发明所得的水溶性β-葡聚糖组合