The cells were inoculated in 6-well plate medium. Cells were incubated overnight before being treated with CAP. After treatment, the cells were continued to be cultured in a cell incubator at 37 °C and 5% CO2 saturated humidity for 24 h. After reaching the time, each group of cells was collected and washed twice with PBS. The cells were incubated in an incubator at 37 °C for 20 min, inverting and mixing every 5 min, with 1 mL of DCFH-DA (Wanleibio, China, WLA131) dilution (1:1000 in medium). Cells were washed 3 times with PBS to fully remove any DCFH-DA that had not entered the cells. 500 μL of PBS was used to resuspend the cells, and then flow cytometry (Aceabio, USA, NovoCyte) was used for flow detection.19 (link)