Meanings of poisonous alkaloid in English

Coffee, tea and chocolate contain a poisonous alkaloid which is generally called caffeine.

As in the case of most of the poisonous alkaloids, aconitin does not produce any decidedly characteristic post-mortem appearances.

"Aconite," he answered slowly, "of which the active principle is the deadly poisonous alkaloid, aconitin."

On the other hand, nauseous and poisonous alkaloids, oils, resins, etc., serve as a protection against the attacks of browsing animals, birds, caterpillars, snails, etc.

"It is a crystalline, bitter and poisonous alkaloid, taken from the deadly nightshade, and the same principle is also found in the thorn apple."