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. 2021 Jun 14;11:12503. doi: 10.1038/s41598-021-91913-w

Table 5.

Estimated optimum conditions for DPPH, ABTS and TPC.

Response variables Optimum UAE condition Maximum values
Ethanol (%) Temp (°C) Time (min) Experimentala Predicted
DPPH (%) 52.5 40 22 85.20 ± 0.96 84.03
ABTS (%) 52.5 40 22 99.12 ± 0.85
TPC (mg GAE/ g DF) 52.5 40 22 33.25 ± 0.94 33.88

aData are presented as mean ± SD from triplicate experiments.