Table 4.

Boar sperm DNA fragmentation (%) following exposure to quercetin or naringenin (n = 28).

	0 h	24 h	48 h	72 h
Ctrl	5.48 ± 0.49	9.87 ± 0.77	12.53 ± 1.35	17.01 ± 1.00
5 µM/L QUE	4.96 ± 0.49	8.79 ± 0.68	10.58 ± 1.54	14.16 ± 2.25
10 µM/L QUE	5.18 ± 0.59	6.01 ± 1.00 *	6.73 ± 1.62 *	10.21 ± 1.51 *
25 µM/L QUE	5.51 ± 0.65	6.91 ± 0.53	8.95 ± 1.07	18.11 ± 3.81
50 µM/L QUE	4.99 ± 0.48	11.53 ± 0.88	17.67 ± 2.03 *	22.62 ± 2.93 *
5 µM/L NAR	5.01 ± 0.58	8.46 ± 0.73	10.64 ± 0.45	14.49 ± 3.29
10 µM/L NAR	5.06 ± 0.52	6.77 ± 0.67 *	7.96 ± 0.19 *	11.78 ± 1.34 *
25 µM/L NAR	5.07 ± 0.26	5.67 ± 1.20 *	6.79 ± 0.36 *	10.70 ± 0.62 *
50 µM/L NAR	5.82 ± 0.51	7.07 ± 0.93	15.42 ± 1.01	16.80 ± 2.29

Mean ± S.D. * p < 0.05 in comparison with the control. QUE—quercetin; NAR—naringenin.