pre-freeze post-thaw
without antioxidant with catalase with NAC with catalase + NAC
TUNEL (%) 18.4 ±4.9 58.3 ±12.9 a 43.2 ±12.7 b 55.5 ±14.2 45.8 ±17.3 c
a: significant difference vs. pre-freeze p<0.05; b: significant difference vs. without antioxidant p<0.01; c: significant difference vs. without antioxidant p<0.05; n=10
Table 2: Effects of cryopreservation, catalase and N-acetylcysteine supplementation on the DNA integrity.