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Expired
Application number
GB8692/38A
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Individual
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Individual
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Publication of GB495169ApublicationCriticalpatent/GB495169A/en
A23F3/36—Reducing or removing alkaloid content; Preparations produced thereby; Extracts or infusions thereof
A23F3/366—Reducing or removing alkaloid content; Preparations produced thereby; Extracts or infusions thereof by extraction of the leaves with selective solvents
Abstract
A tea which has been freed from caffeine is treated with albumen, formaldehyde, or a non-poisonous metal salt, such as aluminium lactate, to combine with the tannin which was originally combined with the caffeine.
GB8692/38A1937-04-051938-03-21Improvements in and relating to the treatment of tea
ExpiredGB495169A
(en)