Table 3
Total polyphenol contents and DPPH radical scavenging ability (RSA) of germinated aromatic r ice with different roasting temperatures and time

Roasting temperature(℃) Roasting time(min) Polyphenols (mgGAE1)/g) DPPHradical scavengingability(%)
Unroasted 0 0.90±0.132)gA3) 4.66±0.89gA
200 10 1.58±0.04fC 6.05±0.68fC
20 2.03±0.27dB 9.78±0.63eB
30 2.37±0.02cA 11.73±0.58cdA
250 10 1.69±0.03efC 6.98±0.19fC
20 2.57±0.08bcB 10.68±1.21deB
30 3.28±0.14aA 13.22±0.53bA
300 10 1.91±0.35deC 12.62±1.59bcC
20 2.83±0.02bB 13.44±0.58abB
30 3.43±0.14aA 16.64±0.65aA
1)GAE, galic acid equivalents.
2)Values are means±SD of triplicate determinations.
3)Different superscripts within the whole column (a-g, all groups) and each column (A-C, roasting temperature groups) indicate significant differences (p<0.05).