Tea Samples/Food Samples | Caffeine Level (%) |
Soft Drink | 0.02 [13, 18] |
Chocolate | 0.074 [13, 18] |
Green tea | 3.11 [13, 18] |
Black tea | 3.57 [13, 18] |
Earl grey tea | 4.27 [13, 18] |
Mambila beverage tea | 0.040 [1] |
Chinese green tea | 0.023 [1] |
White tea | 88 [5] |
Red tea | 60 [5] |