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Caffeine Content of Tea and Coffee


E Kaplan
JH 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