mateine

maté +‎ -ine

mateine (uncountable)

1. (organic chemistry) Caffeine extracted from maté plant.

   Coordinate terms: caffeine, guaranine, theine

   • 2014, Nicolae Sfetcu, Health & Drugs: Disease, Prescription & Medication:

     Caffeine is a xanthine alkaloid compound that acts as a stimulant in humans. Caffeine is sometimes called guaranine when found in guarana, mateine when found in mate, and theine when found in tea.

2. (organic chemistry) A hypothetical xanthine alkaloid said to be found in maté, supposed to resemble caffeine.
   • 2015, Thom Hartmann, ADHD and the Edison Gene:

     Unlike tea and coffee, however, it does not contain caffeine. Instead, its main active ingredient is a xanthine alkaloid known as mateine.

• etamine, matinee, matinée