Article Publish Status: FREE
Abstract Title:

A Randomized Crossover Intervention Study on the Effect a Standardized Maté Extract (A. St.-Hil.) in Men Predisposed to Cardiovascular Risk.

Abstract Source:

Nutrients. 2020 Dec 23 ;13(1). Epub 2020 Dec 23. PMID: 33374524

Abstract Author(s):

Karimi S Gebara, Arquimedes Gasparotto Junior, Rhanany A C Palozi, Christine Morand, Carla I Bonetti, Paula T Gozzi, Martha R F de Mello, Telma A Costa, Euclides L Cardozo Junior

Article Affiliation:

Karimi S Gebara


(1) Background: Due to its richness in chlorogenic acids (CGAs), Maté (A. St.-Hil.) could be of interest in the prevention of cardiometabolic diseases, however clinical evidence are lacking. This trial aimed to evaluate the impact of maté CGAs, consumed in a daily dose achievable through traditional maté beverages, on parameters related to cardiometabolic risk. (2) Design: Thirty-four male volunteers aged 45-65 years and with at most one criteria of metabolic syndrome, were recruited for a randomized, double-blind, placebo-controlled, and crossover study. The volunteers were assigned to consume an encapsulated dry maté extract for four-weeks, providing 580 mg of caffeoyl quinic acid derivatives (CQAs) daily, or a placebo, with a two weeks washout between intervention periods. Anthropometric variables, blood pressure, plasma glucose, lipids, endothelial, and inflammatory biomarkers were measured in overnight-fasted subjects and after a glucose load. (3) Results: We found no significant effects of treatment on these parameters and the response to the glucose load was also similar between the two interventions. However,a significant decrease in fasting glucose was observed between day 0 and day 28 for the maté group only (-0.57 ± 0.11 mmol/L,<0.0002). In subjects with an intermediate to high Framingham risk score, consumption of maté extract induced a 10% increase of high-density lipoprotein (HDL)-c from baseline. In a subgroup representative of the study population, significant decreases in the C-reactive protein (CRP) (-50%) and interleukin-6 (IL-6) (-19%) levels were observed. (4) Conclusions: These clinical observations suggest that maté, naturally rich in CGAs, could improve some cardiometabolic markers in subjects with a higher predisposition to metabolic syndrome, even if that remains to be confirmed in new trials specifically targeting this population.

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