English Dictionary

mateine

noun

(organic chemistry) Caffeine extracted from maté plant. / (organic chemistry) A hypothetical xanthine alkaloid said to be found in maté, supposed to resemble caffeine.

I enjoy drinking mateine in the morning.

意味（1）

(organic chemistry) Caffeine extracted from maté plant.

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.

意味（2）

(organic chemistry) A hypothetical xanthine alkaloid said to be found in maté, supposed to resemble caffeine.

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