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

Table 2

The inhibition effects of caffeic acid, resveratrol, and tannic acid on erythrocyte MDA levels after the two-hour incubation with the solution of H₂O₂ (sensitivity to oxidation of RBC).

2-hour MDA (nmol/gHb)
	Control	Caffeic acid	Resveratrol	Tannic acid
Baseline	101.96 ± 9.14	103.56 ± 14.40	107.96 ± 9.14	108.81 ± 11.38
7th day	274.75 ± 21.93^҂	309.19 ± 28.20	221.28 ± 15.69^҂	267.93 ± 24.71
14th day	397.54 ± 23.38^҂	390.10 ± 32.71^҂	298.09 ± 29.89^҂	421.70 ± 27.15
21st day	437.84 ± 19.96^҂	407.85 ± 38.35	314.02 ± 18.41	433.26 ± 18.82^҂
28th day	499.69 ± 12.60^҂	411.51 ± 20.15	338.85 ± 15.83	441.73 ± 20.17^҂

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