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

Table 3

Five different concentrations with reducing power of five tea extracts.

Reducing power (OD 700)
Extracts (µg/ml)	1	5	10	50	100
Maltodextrin	≤5.00	≤5.00	≤5.00	≤5.00	≤5.00
Green tea extract	0.35 ± 0.02	0.30 ± 0.02	0.25 ± 0.01	2.38 ± 0.41	2.046 ± 0.17
Black tea extract	0.26 ± 0.04	0.23 ± 0.02	0.23 ± 0.02	2.83 ± 0.51	2.71 ± 0.24
Oolong tea extract 861	0.29 ± 0.06	0.25 ± 0.06	0.36 ± 0.02	2.93 ± 0.15	2.44 ± 0.20
Oolong tea extract 732	0.19 ± 0.00	1.65 ± 0.01	0.23 ± 0.01	2.69 ± 0.45	2.60 ± 0.24
Jasmine green tea extract	0.28 ± 0.01	0.32 ± 0.03	0.29 ± 0.02	2.73 ± 0.57	2.46 ± 0.05
BHA	0.56 ± 0.03

Sample consists of 33% maltodextrin. BHA was used as a positive control on reducing power at 100 μM.