All of the polysaccharide samples from Bryopsis plumose are mainly composed of galactose, arabinose, glucose and so on, but the main sugar unit is different because of different extraction methods.

高效液相色谱测定单糖组成，羽藻的单糖主要有半乳糖、阿拉伯糖、葡萄糖等，不同提取方法所得多糖的含量最高的单糖种类有所不同；