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

Table 6

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

Carbonic anhydrase activity (IU/gHb)
	Control	Caffeic acid	Resveratrol	Tannic acid
Baseline	37447.05 ± 6610.71	35459.50 ± 6875.23	33061.22 ± 3328.76	39592.14 ± 4641.80
7th day	35759.53 ± 5841.47	40489.28 ± 5857.81	40213.21 ± 7552.89^҂	43124.78 ± 11072.50
14th day	34881.80 ± 6910.69	44055.82 ± 10547.32	46072.18 ± 11850.02	43289.98 ± 7619.90
21st day	34822.20 ± 2570.16	47601.52 ± 16160.80	36897.59 ± 4755.26	38277.01 ± 6653.30
28th day	33714.45 ± 4760.06	40182.18 ± 6503.96	36858.38 ± 5734.33	37319.28 ± 4357.00

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 .