Investigating the Effect of Red Beetroot Powder Concentration and Processing Time on the Bioactive Compounds Composition and Antioxidant Capacity of Beetroot Dark Chocolate

The development of functional foods is receiving increased recognition due to the general interest in healthy diets as part of a healthier lifestyle. This project sought to incorporate red beetroot in dark chocolate and study the effect of beetroot powder concentration and processing time on the cho...

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Bibliographic Details
Published in:Journal of the science of food and agriculture 2024-01, Vol.104 (1), p.184-195
Main Authors: Kongor, John Edem, de Pascual-Teresa, Sonia, Owusu, Margaret, Kyei-Baffour, Vincent Owusu, Oduro-Yeboah, Charlotte
Format: Article
Language:English
Subjects:
Antioxidants
Ascorbic acid
Bioactive compounds
Biological activity
Catechin
Chocolate
Composition
Epicatechin
Functional foods & nutraceuticals
Powder
Sugar
Sugar beets
Vitamin C
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Summary:The development of functional foods is receiving increased recognition due to the general interest in healthy diets as part of a healthier lifestyle. This project sought to incorporate red beetroot in dark chocolate and study the effect of beetroot powder concentration and processing time on the chocolates' bioactive compound composition, antioxidant capacity, and sugar content. The results showed the presence of bioactive compounds such as betalains and vitamin C in the red beetroot with relatively high antioxidant capacity. The addition of beetroot powder to dark chocolate increased the majority of the bioactive compounds (e.g. catechin, epicatechin, betalains, vitamin C) while also increasing the antioxidant capacity. It also resulted in a decrease in sugar content. Except for vitamin C, processing for more than 12 h had an increasing effect on the majority of the bioactive compounds. Beetroot powder incorporation at a maximum of 30% and processing for 24 h was regarded as optimal. Overall, this research suggests that red beetroot powder could be added to dark chocolates and processed for more than 12 h to increase the bioactive compounds and overall antioxidant capacity. This research would help to diversify beetroot utilisation, reduce post-harvest losses, and improve the overall health-promoting properties of dark chocolate for improved consumer well-being. This article is protected by copyright. All rights reserved.
ISSN:0022-5142
1097-0010
DOI:10.1002/jsfa.12902