| 
   aRSD: relative standard deviation
  | Stress conditions | LC | Bioassay |  
  | Content
    (%) | RSDa
    (%) | Potency
    (%) | RSDa
    (%) |  
  | Humid heat, 90 days | 95.36 | 1.97 | 36.99 | 2.17 |  
  | Dry heat, 60 days | 97.45 | 0.31 | 34.50 | 10.17 |  
  | UVC, 66 days | 95.37 | 1.85 | 25.73 | 13.56 |  
  | UVC, 180 days | 95.91 | 0.44 | 33.39 | 3.91 |  |