The Gut Microbiota of Obese Children Releases Lower Antioxidant Capacity from Food than That of Lean Children

The prevalence of obesity has been increasing in children over the last few decades, becoming a concern for health professionals and governments. Gut microbial community structure in obese people have been found to differ from that of lean subjects for some taxa which could result in different produ...

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Bibliographic Details
Published in:Nutrients 2022-07, Vol.14 (14), p.2829
Main Authors: Navajas-Porras, Beatriz, Pérez-Burillo, Sergio, Hinojosa-Nogueira, Daniel, Douros, Konstantinos, Pastoriza, Silvia, Rufián-Henares, José Ángel
Format: Article
Language:English
Subjects:
Animal products
antioxidant capacity
Antioxidants
Breakfast foods
Cereals
Children
Chronic illnesses
Community structure
Diet
Digestive system
Feces
Fermentation
Food
Grain
gut microbiota
in vitro digestion
in vitro fermentation
Intestinal microflora
Large intestine
Medical personnel
Metabolites
Microbiota
Microorganisms
Nutrition research
Obesity
Power plants
Rice
Small intestine
Sodium
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Summary:The prevalence of obesity has been increasing in children over the last few decades, becoming a concern for health professionals and governments. Gut microbial community structure in obese people have been found to differ from that of lean subjects for some taxa which could result in different production of microbial metabolites. The aim of the present work was to study whether the gut microbiota from obese children extracts a different concentration of antioxidant capacity than the gut microbiota from lean children. For this purpose, different foods were in vitro digested and in vitro fermented using fecal material from obese and lean children. FRAP, DPPH and Folin-Ciocalteu methods were used to measure the antioxidant capacity released during digestion and fermentation. Overall, when using lean gut microbiota, antioxidant capacity released was higher when measured via DPPH and FRAP. Moreover, according to DPPH results, lean gut microbiota could potentially release more antioxidant power from vegetables than from animal products, while obese gut microbiota did the opposite. On the contrary, with the FRAP method obese gut microbiota released higher levels of antioxidant power from plant products than from animal products, but the final antioxidant capacity was still lower than that released by lean gut microbiota. Therefore, these results reflect that the total antioxidant capacity of foods is influenced by the gut microbiota, although whether that antioxidant capacity is released from plant or animal products can be slightly influenced by the method used for analysis.
ISSN:2072-6643
2072-6643
DOI:10.3390/nu14142829