The Relationship of Oxidation Sensitivity of Red Blood Cells and Carbonic Anhydrase Activity in Stored Human Blood: Effect of Certain Phenolic Compounds

Table 3

The protective effects of caffeic acid, resveratrol, and tannic acid on catalase activity of RBC in stored whole blood time-dependently.

Catalase (kU/gHb)
	Control	Caffeic acid	Resveratrol	Tannic acid
Baseline	17.47 ± 2.12	17.96 ± 4.49	18.02 ± 6.76	19.12 ± 1.53
7th day	16.52 ± 3.04	30.12 ± 9.97	38.64 ± 11.32	19.52 ± 3.36
14th day	14.45 ± 1.56	40.94 ± 5.33	40.96 ± 5.97	20.26 ± 2.99
21st day	12.70 ± 1.51	56.22 ± 8.42	50.15 ± 13.57	20.89 ± 2.08
28th day	9.16 ± 1.52^҂	48.84 ± 11.62	47.57 ± 7.32	20.47 ± 1.73

Significant differences () between the control and treated groups are indicated by .
Significant differences () between the control and resveratrol and tannic acid are indicated by .
Significant differences () in each group from time 0 (baseline) are given by .