With different methods, three kinds of functional factors including immune protein factor, gibberellin and cyclic hydroxamic acid have been extracted from wall-broken cole bee pollen.

• 本文采用不同的实验方法，从破壁油菜蜂花粉中分别提取了蛋白免疫因子、赤霉素以及环氧肟酸三种功能因子。