S. No.

Tea Samples

Amount of Caffeine

Extracted (gms)

Percentage of caffeine (%)

1.

Assam tea

0.60

1.20

2.

Hyderabad local tea

0.65

1.30

3.

Red label tea

0.70

1.40

4.

Wagh bakri

0.85

1.70

5.

Tata tea

0.92

1.84

6.

Taj Mahal

0.95

1.90