Compared with autotrophic growth,the content of fat under heterotrophic cultivation obviously increases,while the contents of soluble protein and saccharide decrease,especially chlorophyll.

• 与自养生长相比,异养过程中小球藻的脂肪含量明显增加,可溶性蛋白和可溶性糖的含量则有不同程度的降低,叶绿素含量大大减少;