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Caffeine content of tea and coffee


E. Kaplan
J.H. Holmes
N. Sapeika

Abstract

The caffeine content of teas and coffees blended and marketed in South Africa was estimated. Samples of tea contain caffeine varying from 2,723% to 4,1%. Coffee 'mixtures' contain 1,23 - 1,66%, freshly ground roast coffee beans 0,8-1,8% and one 'instant coffee' 'made from 100% coffee', 4,38%

S. Afr. Med. J., 48, 510 (1974).

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eISSN: 2078-5135
print ISSN: 0256-9574