Table 1.

Bioactive compounds of RRBE.

Bioactive	Constituents
Total phenolic content (mg GAE/g)	51.9 ± 1.73
Total flavonoid content (mg Catechin/g)	22.94 ± 2.62
Proanthocyanidins (mg Catechin/g)	6.52 ± 0.90

The red rice bran was extracted by 50% ethanol and we determined the essential compounds using colorimetric methods. Data shown as means ± SD (n = 3).