Recently, a huge number of studies have confirmed the important role of chocolate polyphenols in human health, underlining its beneficial effects especially in the treatment of cardiovascular diseases. However, a thorough evaluation of chocolate phenolic profile is still lacking. This study aimed at a comprehensive characterization of dark chocolate phenolic profile, using non-targeted mass spectrometry identification. This approach allowed a tentative identification of 158 individual phenolic compounds: 67 were newly detected in dark chocolate, among these 38 were observed for the first time in chocolate as well as in cocoa beans or products. Ellagitannins, which have never been reported in cocoa or chocolate, represented about the 10% of the phenolic profile of dark chocolate. The enrichment of dark chocolate with Sakura green tea leaves or turmeric powder influenced and modified the phenolic profile, resulting in a phenolic concentration increase. In this way, this functional chocolate might maximize the beneficial effect of chocolate consumption, combining the positive health effects of chocolate, turmeric and green tea and, at the same time, reducing the amount of sugars and calories introduced with chocolate.
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| http://dx.doi.org/10.1016/j.foodres.2018.06.020 | DOI Listing |
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