Table 4.

The antioxidant activity of tea brands in mg of AAE/g DW and IC₅₀ values

Tea samples	AOAG mg AAE/g DW	IC50% value (µg/mL)
Green tea	80.0 ± 0.63e	7.303 ± 1.35a
Black lion	28.8 ± 1.86a	56.067 ± 2.02c
Eirmon	41.9 ± 0.87c	51.320 ± 1.45b
Gumero	52.3 ± 2.91d	47.086 ± 2.04b
Abyssinia	42.9 ± 2.07bc	51.325 ± 1.69b
Dire	40.7 ± 2.72bc	64.015 ± 2.81d
Addis	40.8 ± 3.40bc	51.145 ± 2.85b
Wushwush	32.6 ± 1.92a	61.830 ± 2.37d

Values in the same column that are followed by a different letters (a–e) are significantly different p < 0.05 by Duncan’s multiple range tests

AOA^G is the antioxidant activity, expressed in milligrams of ascorbic equivalents per g of dry tea sample