Ingredients of boutique coffee beans popular science caffeine Caffeine
Last updated 2026-09-29 — As a natural insecticide, caffeine can be found in the fruits, leaves and seeds of more than 60 plants. Caffeine can paralyze insects that feed on these plants and achieve insecticidal effect. Pure caffeine is a white, strongly bitter powder. It is an alkaloid extracted from tea and coffee fruits. Moderate use of caffeine can dispel fatigue and excitatory nerves.
As a natural insecticide, caffeine can be found in the fruits, leaves and seeds of more than 60 plants. Caffeine can paralyze insects that feed on these plants and achieve insecticidal effect.
Pure caffeine is a white, strongly bitter powder. It is an alkaloid extracted from tea and coffee fruits. Moderate use of caffeine can dispel fatigue and excitatory nerves. It is clinically used in the treatment of neurasthenia and coma resuscitation.
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