英语语法分析

Tea polysaccharide is a kind of complex heteroglycan, which has various bioactivities.

茶叶多糖是一种复合杂多糖，具有许多生物活性。

Fucoidan is a water soluble heteroglycan which contains sulphates, and it is a special constituent of brown algae.

岩藻聚糖硫酸酯是一种含有硫酸酯的水溶性杂聚糖，是褐藻中特有的一种化学组分。