Table 3.

Protection of vitamin C from oxidative damage in kidney.

Indicators	Classification	KI $(\overline{\mathsf{\chi }} \pm \mathbf{S})$ (n = 15)	KIO3 $(\overline{\mathsf{\chi }} \pm \mathbf{S})$ (n = 15)	p
TAOC U/mgprot	NI	0.50 ± 0.09	0.57 ± 0.11	0.061
	HI	0.55 ± 0.10	0.53 ± 0.08	0.653
	HI + LC	0.50 ± 0.09	0.50 ± 0.10	0.976
	HI + HC	0.55 ± 0.10	0.58 ± 0.09	0.482
	p	0.350	0.141
CAT U/mgprot	NI	10.90 ± 3.17	10.15 ± 3.37	0.542
	HI	9.88 ± 3.64	9.75 ± 2.68	0.914
	HI + LC	9.78 ± 4.05	9.87 ± 1.99	0.922
	HI + HC	10.99 ± 3.64	11.69 ± 4.35	0.638
	p	0.790	0.367
SOD U/mgprot	NI	200.75 ± 36.75	201.10 ± 42.52	0.981
	HI	202.37 ± 43.74	203.60 ± 37.72	0.935
	HI + LC	192.73 ± 27.71	189.76 ± 24.78	0.759
	HI + HC	192.18 ± 19.63	195.69 ± 33.05	0.726
	p	0.835	0.707
MDA nmol/mgprot	NI	4.01 ± 2.71	3.76 ± 2.68	0.983
	HI	4.68 ± 2.94	3.30 ± 1.61	0.161
	HI + LC	5.94 ± 3.51	6.04 ± 3.13	0.653
	HI + HC	4.32 ± 2.82	3.85 ± 2.43	0.624
	p	0.015 * HI + LC > NI, HI, HI + HC	0.005 ** HI + LC > NI, HI, HI + HC
GSH-Px U/mgprot	NI	214.62 ± 46.49	231.71 ± 44.08	0.319
	HI	216.04 ± 59.11	199.77 ± 59.77	0.450
	HI + LC	201.57 ± 47.57	211.36 ± 42.79	0.558
	HI + HC	210.20 ± 56.12	224.12 ± 42.96	0.452
	p	0.875	0.281

Note: * represents p value being lower than 0.05; ** represents p value being lower than 0.01.