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Psychopharmacology (Berl). 2019 Feb;236(2):561-572. doi: 10.1007/s00213-019-5172-0. Epub 2019 Jan 31.

Exploring cocoa properties: is theobromine a cognitive modulator?

Author information

1
Center for Research and Treatment on Cognitive Dysfunctions, Neurology Unit, L. Sacco University Hospital, Via G.B. Grassi, 74, I-20157, Milan, Italy. ilaria.cova@unimi.it.
2
Center for Research and Treatment on Cognitive Dysfunctions, Neurology Unit, L. Sacco University Hospital, Via G.B. Grassi, 74, I-20157, Milan, Italy.
3
Department of Biomedical and Clinical Sciences, University of Milan, Milan, Italy.

Abstract

Nutritional qualities of cocoa have been acknowledged by several authors; a particular focus has been placed on its high content of flavanols, known for their excellent antioxidant properties and subsequent protective effect on cardio- and cerebrovascular systems as well as for neuromodulatory and neuroprotective actions. Other active components of cocoa are methylxanthines (caffeine and theobromine). Whereas the effects of caffeine are extensively researched, the same is not the case for theobromine; this review summarizes evidence on the effect of theobromine on cognitive functions. Considering animal studies, it can be asserted that acute exposition to theobromine has a reduced and delayed nootropic effect with respect to caffeine, whereas both animal and human studies suggested a potential neuroprotective action of long-term assumption of theobromine through a reduction of Aβ amyloid pathology, which is commonly observed in Alzheimer's disease patients' brains. Hence, the conceivable action of theobromine alone and associated with caffeine or other cocoa constituents on cognitive modulation is yet underexplored and future studies are needed to shed light on this promising molecule.

KEYWORDS:

Cocoa; Cognition; Cognitive modulator; Theobromine

PMID:
30706099
DOI:
10.1007/s00213-019-5172-0
[Indexed for MEDLINE]

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