Beyond vitamin C: How orange juice positively affects gut microbiota and metabolic health

Orange juice, a daily drink in Brazilian households, not only plays a key role in the country's citrus economy but also offers significant health benefits.

Beyond its well-known nutritional contribution, research suggests that OJ might positively affect the gut microbiota, playing a key role in preventing metabolic diseases.

The study, conducted by researchers at the Food Research Center (FORC) at the University of São Paulo (USP), analyzed the impact of orange juice on the composition of intestinal bacteria. The investigation was supported by the local citrus industry organization, Fundecitrus.

Potential orange juice benefits in patients with obesity and insulin resistance

The research focused on the effect of orange juice from the Pera and Moro varieties in individuals with obesity and insulin resistance. The results showed positive changes in participants’ intestinal microbiota, indicating a beneficial effect on gut bacterial composition.

According to FORC researcher Aline Alves de Santana, obesity is associated with various factors, including an imbalance in the gut microbiota. This variance can promote systemic inflammation and metabolic dysfunction.

"Diet plays a fundamental role in microbiota modulation, and diets rich in fresh foods, such as fruits and vegetables, are beneficial for intestinal health,” she explained. 

Furthermore, the research team observed favorable changes in the digestion and metabolism of bioactive compounds present in oranges. These ingredients are linked to reduced inflammatory processes in the body, which could improve metabolic status and overall health.

The findings reinforce the relevance of orange juice not only as a popular beverage and driver of the citrus sector but also as a functional food with the potential to positively impact intestinal and metabolic health.

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