| Extract | Total flavonoids (µg in quercetin equivalent/ml) | Total flavonoids (µg in quercetin equivalent/mg) | Total polyphenols (µg in tannic acid equivalent/ml) | Total polyphenols (µg in tannic acid equivalent/mg) | Total polyphenols (µg/mg in gallic acid) |
| Parboiled Rojomena | 14.4 | 1.53 | 867 | 310 | 34.26 |
| Parboiled FOFIFA 172 | 18.6 | 2.43 | 425 | 358 | 39.59 |