1、Glucan is a type of polysaccharide found in the cell walls of certain microorganisms.
葡聚糖是一种存在于某些微生物细胞壁中的多糖。

2、Beta-glucan, a type of glucan, has been shown to have immunomodulatory effects in the body.
β-葡聚糖是一种葡聚糖，已证明在人体中具有免疫调节作用。