It is a mixture of heteroglycan composed of Glc Man Gal Rha GalA in molar ratio of 1.65:1.38:2.2:1.35:1,and little Ara.

• C 和 G.；C 分析表明其单糖组成为 Glc、Man、Gal、Rha、GalA 其摩尔比为 1