Table 2. The yield, total polyphenol, total flavonoid, and total protein contents of rice bran extracts prepared by different extraction solvents and cultivar
| Sample1) | Yield (DB2), %) | Total polyphenol (TA3), g/100 g) | Total flavonoid (Rutin, g/100 g) | Total protein (BSA, g/100 g) |
| H-BRB | 8.97±0.07b 4) | 3.74±0.05d | 4.70±0.39bc | 18.46±0.12a |
| E-BRB | 4.80±0.01g | 6.75±0.16a | 5.11±0.05a | 13.82±0.09d |
| M-BRB | 4.67±0.03g | 5.04±0.12c | 4.95±0.19ab | 15.41±0.13b |
| H-HRB | 9.60±0.02a | 3.09±0.06e | 4.08±0.09e | 15.60±0.23b |
| E-HRB | 6.77±0.13d | 6.20±0.07b | 5.18±0.07a | 12.90±0.06ef |
| M-HRB | 6.78±0.06d | 5.17±0.03c | 4.21±0.08de | 13.23±0.34e |
| H-JRB | 8.70±0.05c | 2.08±0.07f | 4.42±0.02cd | 14.52±0.17c |
| E-JRB | 5.37±0.11e | 5.26±0.18c | 5.08±0.25a | 12.57±0.51f |
| M-JRB | 5.13±0.03f | 5.12±0.08c | 4.56±0.11c | 13.76±0.26d |
1)H-BRB, hot-water extract of Bukkyeong 2012-2 rice bran; E-BRB, 80% ethanol extract of Bukkyeong 2012-2 rice bran; M-BRB, 80% methanol extract of Bukkyeong 2012-2 rice bran; H-HRB, hot-water extract of han-ahreum rice bran; E-HRB, 80% ethanol extract of han-ahreum rice bran; M-HRB, 80% methanol extract of han-ahreum rice bran; H-JRB, hot-water extract of Jasmin 85 rice bran; E-JRB, 80% ethanol extract of Jasmin 85 rice bran; M-JRB, 80% methanol extract of Jasmin 85 rice bran.
2)Dry basis.
3)Tannic acid.
4)Means±SD (n=3) with each column followed by the same letter are not significantly different (p<0.05).