International Journal of Chemical Engineering / 2019 / Article / Tab 3

Research Article

Antioxidant Activity and Volatile Composition of Red Araçá Pulp Under Different Drying Conditions

Table 3

Antioxidant capacity of extracts obtained from araçá dried under different conditions.

RunDrying conditionsTPC (mgGAE/100 garaçá)aIC50 (µgaraçá/mL)aAAT (mgascorbic acid/100 garaçá)a

140°C/1.5 m/s556.28 ± 1.711554.36 ± 17.391563.88 ± 61.99
260°C/1.5 m/s347.23 ± 1.281945.94 ± 18.151165.42 ± 39.53
340°C/2.5 m/s392.84 ± 3.571688.02 ± 11.281829.47 ± 16.10
460°C/2.5 m/s524.09 ± 0.841490.79 ± 1.971752.81 ± 2.61
550°C/2.0 m/s542.68 ± 4.351265.21 ± 3.241916.10 ± 0.05

TPC: total phenolic assay by the Folin–Ciocalteu method; IC50: inhibitory concentration defined as the concentration of extract required to inhibit the production of DPPH radicals by 50%; AAT: total antioxidant activity by the phosphomolybdenum reducing method. aAverage value and standard deviation of triplicate runs.