Antioxidative and Antimelanoma Effects of Various Tea Extracts via a Green Extraction Method

Table 1

Five different concentrations with DPPH scavenging capacity of five tea extracts.

DPPH scavenging capacity (%)
Extracts (µg/ml)	1	5	10	50	100
Maltodextrin	≤5.00	≤5.00	≤5.00	≤5.00	≤5.00
Green tea extract	56.12 ± 0.93	86.04 ± 0.12	84.87 ± 6.49	95.07 ± 0.00	94.81 ± 0.57
Black tea extract	52.83 ± 3.53	85.56 ± 0.15	84.74 ± 2.47	94.75 ± 0.07	94.62 ± 0.21
Oolong tea extract 861	52.85 ± 2.47	87.35 ± 5.44	91.83 ± 0.28	94.62 ± 0.35	93.51 ± 1.84
Oolong tea extract 732	46.13 ± 1.01	42.67 ± 3.30	43.02 ± 0.58	74.60 ± 0.28	66.28 ± 0.99
Jasmine green tea extract	55.43 ± 1.80	90.88 ± 0.06	82.36 ± 6.10	94.49 ± 0.49	94.68 ± 0.00
Vitamin C	80.82 ± 0.00

Sample consists of 33% maltodextrin. Vitamin C was used as a positive control on DPPH assay at 100 μM.