Table 3. Antioxidant capacities according to germination days of brown rice

Variety Day DPPH radical scavenging activity (IC50, mg/mL) ABTS radical scavenging activity (IC50, mg/mL) Total phenolic content (mg GAE/g) Total flavonoid content (mg CE/g)
Milyang356 0 0.60±0.01d1) 0.23±0.00e 1.23±0.01a 0.87±0.04a
1 1.10±0.01c 0.50±0.01d 0.86±0.01d 0.54±0.02d
2 1.14±0.01c 0.84±0.01b 0.86±0.01d 0.68±0.06c
3 3.30±0.05b 1.13±0.04a 0.97±0.01c 0.65±0.01c
4 3.42±0.05a 0.63±0.00c 1.08±0.01b 0.80±0.05b
Nampyeong 0 2.24±0.02a 0.66±0.01e 0.60±0.01e 0.55±0.01c
1 2.05±0.02b 1.07±0.02b 0.68±0.02d 0.62±0.03b
2 1.64 ±0.02d 0.91±0.02c 0.70±0.01c 0.63±0.04b
3 1.90±0.01c 0.82±0.01d 0.78±0.01b 0.67±0.04ab
4 2.05±0.01b 1.26±0.03a 0.81±0.01a 0.71±0.02a
Dasan 0 1.43±0.00c 0.57±0.01d 0.59±0.01e 0.57±0.04bc
1 1.33±0.01d 0.55±0.01d 0.64±0.00d 0.53±0.05c
2 1.24±0.00e 0.84±0.02c 0.72±0.01c 0.60±0.01bc
3 3.00±0.05b 1.04±0.02b 0.84±0.00b 0.62±0.04b
4 3.46±0.04a 1.25±0.03a 0.93±0.00a 0.86±0.04a
Standards Ascorbic acid 0.026±0.001 - - -
Trolox - 0.005±0.000 - -
Mean±SD (n=3) followed by different letters are significantly different according to germinated time (p<0.05).