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

Table 4

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

GSH (mg/gHb)
	Control	Caffeic acid	Resveratrol	Tannic acid
Baseline	10.72 ± 0.68	9.80 ± 2.44	9.94 ± 0.69	10.34 ± 1.59
7th day	10.51 ± 1.15	10.96 ± 1.52	12.86 ± 1.20^҂	10.27 ± 1.20
14th day	10.36 ± 0.63	10.61 ± 0.72	14.09 ± 1.76	11.00 ± 1.75
21st day	8.53 ± 1.94^҂	12.52 ± 2.29	12.46 ± 0.91	10.71 ± 1.44
28th day	7.96 ± 0.59^҂	12.32 ± 1.54	12.67 ± 0.52	10.57 ± 1.31

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