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Food Chem. 2015 May 1;174:214-8. doi: 10.1016/j.foodchem.2014.11.004. Epub 2014 Nov 7.

Effects of bioactive constituents in functional cocoa products on cardiovascular health in humans.

Author information

1
Department of Metabolism and Nutrition, Institute of Food Science, Technology and Nutrition (ICTAN-CSIC), Spanish National Research Council (CSIC), José Antonio Novais 10, 28040 Madrid, Spain. Electronic address: beasarria@ictan.csic.es.
2
Department of Metabolism and Nutrition, Institute of Food Science, Technology and Nutrition (ICTAN-CSIC), Spanish National Research Council (CSIC), José Antonio Novais 10, 28040 Madrid, Spain.
3
Department of Nutrition and Bromathology I, School of Pharmacy, Complutense University of Madrid (UCM), Ciudad Universitaria, s/n, 28040 Madrid, Spain.

Abstract

Cocoa manufacturers are producing novel products increasing polyphenols, methylxanthines or dietary fibre to improve purported health benefits. We attempt to explain the contribution of cocoa bioactive compounds to cardiovascular effects observed in previous studies, placing particular emphasis on methylxanthines. We focused on a soluble cocoa product rich in dietary fibre (DFCP) and a product rich in polyphenols (PPCP). Effects of regularly consuming DFCP (providing daily 10.17 g, 43.8 mg and 168.6 mg of total-dietary-fibre, flavanols and methylxanthines, respectively) as well as PPCP (providing daily 3.74 g, 45.3 mg and 109.8 mg of total-dietary-fibre, flavanols and methylxanthines, respectively) on cardiovascular health were assessed in two controlled, cross-over studies in free-living normocholesterolemic and moderately hypercholesterolemic subjects. Both products increased HDL-cholesterol concentrations, whereas only DFCP decreased glucose and IL-1β levels in all subjects. Flavanols appeared to be responsible for the increase in HDL-cholesterol, whereas insoluble-dietary-fibre and theobromine in DFCP were associated with the hypoglycemic and anti-inflammatory effects observed.

KEYWORDS:

(−) Catechin (PubChem CID: 73160); (−) Epicatechin (PubChem CID: 72276); Caffeine (Methyltheobromine, PubChem CID: 2519); Cardiovascular health; Dietary fibre; Hypoglycemic; Inflammation; Methylxanthines; Polyphenols; Procyanidin B1 (PubChem CID: 11250133); Procyanidin B2 (PubChem CID: 122738); Soluble cocoa products; Theobromine (3-7 Dimethylxanthine, PubChem CID: 5429); Theophylline (1,3-dimethylxanthine, PubChem CID: 2153)

PMID:
25529672
DOI:
10.1016/j.foodchem.2014.11.004
[Indexed for MEDLINE]

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