active oxygen defense enzymes的用法和样例：
- Changes of defensive enzymes and active oxygen of Puccinellia tenuiflora seedlings under Na2CO3 stress[J].Bulletin of Botanical Research,2006,26 (3):308-313.
- Relationship between the Changes of Active Oxygen Species and Defense Enzymes in Suspension Cultured Cells Treated by Different Inducers
- Generation of activated oxygen and change of cell defense enzyme activity in leaves of maize seedling under the stress of low temperature
- Effect of active oxygen radical to animal health and feed quality.