: Catalogue of the Vascular Plants of Ecuador: Abuta grandifolia. Missouri Botanical Garden. Published on internet. Accessed: Angiosperms · Menispermaceae · Abuta. Abuta grandifolia (Mart.) Sandwith This name is the accepted name of a species in the genus Abuta (family. Abuta grandifolia is a species of plants with 1 observation.

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Yahualicaspi is a 2 – 5 meter high tree, with yellow eatable fruits. Much more important than the fruits is the medicinal usage of the leaves, the bark and the roots.

Each tribe in the Amazon Region knows and uses this plant against several troubles such as headaches, stomachache, toothache, colds, sore throat, colic and tuberculosis. You just have to cook the useful parts of the plant and take a drink of it.

New cholinesterase inhibiting bisbenzylisoquinoline alkaloids from Abuta grandifolia.

It should be mentioned that Abuta grandifolia belongs to the same family as Chondrodendron tormentosum and Curares toxifera, which are the main components o the poison curare. But both species are found more frequently further in jungle than at the foot of the Andes.


Curare is a poison, which paralyses the muscles when it gets into the blood circuit. The animals hunted with blowpipes and poisoned arrows or even humans die of the breakdown of the respiratory and heart muscles.

This effect utilises even our modern medicine injecting an extract of Chondrodendron tormentosum to relax the muscles of the patients during surgery.

But today this substance abutw produce artificially. The poison curare usually is made of a mixture of several plants, the combination depends on the tribe and the shaman, but it contains always one of the species mentioned above.

New cholinesterase inhibiting bisbenzylisoquinoline alkaloids from Abuta grandifolia.

Sometimes they add Abuta grandifolia to the mixture but grabdifolia is not one of the main components. The family of Menispemaceae is rich in alkaloid, which explains the usefulness of this group of plants.

This vine whose range includes the Amazon Basin was originally collected in Shushufindi Vickers and Plowman, It has been chemically studied and shown to contain the alkaloids palmatine and derivatives of berberine. Palmatine has a strong antipyretic action as well as a depressant effect on the blood pressure and the central nervous system Grenand et aabuta.

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In Ecuador it is used in labor for hemorrhage and pain, and has been employed to treat colic in nervous children; according to Schultes, one treatment lasts for one year Schultes and Raffauff, The Quichua make a compress of the leaf decoction and use it to gradnifolia headache.

A decoction of the leaves mixed with the bark of “piton” is drunk by women before giving birth to speed the recovery of their their strength Lescure et al. It is also used to treat snakebite Schultes and Raffauff, Among the Siona, a leaf infusion is used as a febrifuge, and also as an ingredient of curare Schultes and Raffauff, Bark used as Peruvian ayahuasca ingredient, dart poison abjta headache remedy Yahualicaspi is a 2 – 5 meter high grandifllia, with yellow eatable fruits.