Table 2.

total phenolic and total flavonoid content in various black pepper extracts

Black pepper extract	Total phenolic content (GAE)	Total flavonoid content (QE)
BP-M	56.87 ± 2.01	92.14 ± 0.47
BP-E	57.64 ± 1.63	80.70 ± 1.45
BP-Aq	52.38 ± 1.99	98.81 ± 5.12

Data are the mean ± SEM of three independent experiments. BP-M, Black pepper methanol extract; BP-E, Black pepper ethanol extract; BP-Aq, Black pepper aqueous extract; GAE, μg gallic acid equivalent/g dry mass; QE, μg quercetin equivalent/g dry mass.