Table 6.

Effect of ginger and frankincense oil on serum total antioxidant capacity, serum glutathione peroxidase and serum malondialdehyde of Japanese quail lying hens at 21 wk of age.

	Treatments
		Ginger powder		Frankincense oil
Items	Control	0.250 mg	0.500 mg	0.200 mg	0.400 mg	P-value
Total antioxidant capacity (mM/L)	0.66 ± 0.01b	0.86 ± 0.07a	0.91 ± 0.08a	0.91 ± 0.02a	0.92 ± 0.04a	0.017
Glutathione peroxidase (mU/mL)	33.69 ± 0.98d	39.00 ± 0.30c	41.71 ± 0.79b	45.07 ± 1.19a	47.38 ± 0.52a	0.001
Malondialdehyde (nmol/mL)	8.62 ± 0.96a	8.05 ± 0.35a	5.63 ± 0.58b	5.13 ± 0.36b	5.21 ± 0.35b	0.003

^a,b,cDifferent superscripts within a row indicate significant differences (P < 0.05).