Chemopreventive effects of cocoa polyphenols on chronic diseases

Authors
Citation
Jh. Weisburger, Chemopreventive effects of cocoa polyphenols on chronic diseases, EXP BIOL ME, 226(10), 2001, pp. 891-897
Citations number
62
Categorie Soggetti
Medical Research General Topics
Journal title
EXPERIMENTAL BIOLOGY AND MEDICINE
ISSN journal
15353702 → ACNP
Volume
226
Issue
10
Year of publication
2001
Pages
891 - 897
Database
ISI
SICI code
1535-3702(200111)226:10<891:CEOCPO>2.0.ZU;2-3
Abstract
We have explored the causes of the major chronic diseases prevailing in the world and the relevant mechanisms as a sound basis for recommendations for their prevention. Research shows that the cocoa bean, and tasty products d erived from the cocoa bean such as chocolate, and the beverage cocoa, popul ar with many people worldwide, is rich in specific antioxidants, with the b asic structure of catechins and epicatechin, and especially the polymers pr ocyanidins, polyphenols similar to those found in vegetables and tea. Metab olic epidemiological studies indicate that regular intake of such products increases the plasma level of antioxidants, a desirable attribute as a defe nse against reactive oxygen species (Ros). The antioxidants in cocoa can pr event the oxidation of LDL-cholesterol, related to the mechanism of protect ion in heart disease. Likewise, a few studies show that ROS associated with the carcinogenic processes is also inhibited, although there have not been many studies on a possible lower risk of various types of cancer either in humans or in animal models consuming cocoa butter or chocolates. Based on the knowledge acquired thus far, it would seem reasonable to suggest inhibi tion of the several phases of the complex processes leading to cancer, as a function of quantitative intake of antioxidants, including those from coco a and chocolates. Cocoa and chocolate also contain fats from cocoa butter. These are mainly stearic triglycerides (C18:0) that are less well absorbed than other fats, and are excreted in the feces. Thus, cocoa butter is less bioavailable and has minimal effect on serum cholesterol.