A selection scheme based on AEC inhibition was applied to isolating AEC resistant strains from UV-irradiated oidida of Flammulina velutipes and free and total amino acids content were determined.

• 利用AEC选择培养基，筛选出经紫外线诱变，具有AEC抗性的金针菇单核菌株，纯化后做抗性的稳定性试验，并通过液体发酵比较抗性菌株和出发菌株菌丝体游离氨基酸和总氨基酸的含量。