Table 1: Five different concentrations with DPPH scavenging capacity of five tea extracts.

DPPH scavenging capacity (%)
Extracts (µg/ml)151050100

Maltodextrin≤5.00≤5.00≤5.00≤5.00≤5.00

Green tea extract56.12 ± 0.9386.04 ± 0.1284.87 ± 6.4995.07 ± 0.0094.81 ± 0.57
Black tea extract52.83 ± 3.5385.56 ± 0.1584.74 ± 2.4794.75 ± 0.0794.62 ± 0.21
Oolong tea extract 86152.85 ± 2.4787.35 ± 5.4491.83 ± 0.2894.62 ± 0.3593.51 ± 1.84
Oolong tea extract 73246.13 ± 1.0142.67 ± 3.3043.02 ± 0.5874.60 ± 0.2866.28 ± 0.99
Jasmine green tea extract55.43 ± 1.8090.88 ± 0.0682.36 ± 6.1094.49 ± 0.4994.68 ± 0.00

Vitamin C80.82 ± 0.00

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