An Anoectochilus spp. polysaccharide extract and a pharmaceutical composition for stimulating the growth of advantageous bacteria, stimulating the release of granulocyte colony-stimulating factor (G-CSF), modulating T helper cell type I (Th1 cell), and/or modulating T helper cell type II (Th2 cell) are provided. Each of the extract and composition comprises an effective amount of a type II arabinogalactan of Anoectochilus spp. Also provided are a method for the preparation of the Anoectochilus spp. polysaccharide extract and a use of the extract.

本發明的特點是明確指出台灣金線連屬的水溶性多糖的廣泛臨床效果，此水溶性多糖特性明確主要含有mannan、galactan及arabinogalactan的混合物。其臨床用途包含用於促進腸道益菌增生、改善骨質疏鬆、改善化療副作用、改善過敏及大腸癌。

金線連水溶性多糖、益菌素、骨質疏鬆、化療副作用、過敏、大腸癌