Quina (Cinchona) and Tropane

Quina and Tropane alkaloids.  Quinine. Quinidine, Atropine, Cocaine and related alkaloids.

Quina alkaloids

It contains more than 20 alkaloids, those with the most therapeutic importance are:

Quinine:
Effective antipyretic whose use dates back over 350 years. It was the only remedy against malaria for many years.

Quinidine:
Indicated for supraventricular and ventricular arrhythmias. The cinchona alkaloids act over the striated muscle.

Tropane alkaloids

The most recognized in the official pharmacopoeia are:

Atropine
Atropa belladonna alkaloid. Antispasmodic and coadyuvant to general anesthesia because it reduces gastric secretion, salivary and tracheobronchial.

Benztropine:
Used as antiemetic in chemotherapy-induced disorders.

Cocaine:
It has properties of local anesthesia and vasoconstriction. Its current derivatives possess little toxicity.

Homatropine:
It has the same properties as the atropine.

Hyoscyamine:
It is a racemic mixture with atropine that produces a duplicate effect of atropine in the gastric secretions.

Scopolamine:
Is less potent than atropine but its effect lasts longer.

See also

Alkaloids

Classification of alkaloids

Opium alkaloids

Xanthine, ergot and rauwolfia alkaloids

Veratrum, vinca and miscellaneous