Origin of theine
Examples from the Web for theine
As the theine is without flavour, its presence or absence cannot be determined by the taste of the tea.Tea and Tea Drinking|Arthur Reade
It contains the same active principle, theine as tea and coffee, but not their volatile and empyreumatic oils.
In the following tea assay proper the estimation of theine is not included.Legal Chemistry|A. Naquet
The active principles of the leaves are theine and a volatile oil, to which latter the flavor and odor are due.
Theine is no doubt a deadly poison, but we manage to drink it with tolerable safety in our tea and coffee.Tobacco and Alcohol|John Fiske