Skip to main content

Table 1 Effect of different anticoagulants and blood preservation on the TAC assay. Results are presented as mean ± SEM of ten different assays, and expressed as mmol/L.

From: A new automated method for the determination of the Total Antioxidant Capacity (TAC) of human plasma, based on the crocin bleaching assay

StorageConditions Immediate plasma separation Storage at room temperature for 4 hours Storage at 4°C for 4 hours
Anticoagulant    
None (serum) 1.09 ± 0.04 1.10 ± 0.03 1.09 ± 0.03
K-EDTA 1.03 ± 0.05 1.02 ± 0.03 1.01 ± 0.04
Citrate 0.82 ± 0.04 0.81 ± 0.03 0.83 ± 0.03
Heparin 1.04 ± 0.05 1.08 ± 0.04 1.04 ± 0.04