Not all five-a-day meals provide the same nutritional benefits. Recent research indicates that a significant percentage of individuals do not receive adequate micronutrients from their daily intake of fruits and vegetables.
According to a study by scientists from Harvard Medical School and the University of Reading, the dietary habits of participants in the UK and US were examined, focusing particularly on their flavanol consumption—plant compounds known for their antioxidant and anti-inflammatory properties.
Including flavanols in our diet is essential due to their beneficial effects on vascular health. As Professor Gunter Kuhnle, a researcher at the University of Reading, states, these compounds can significantly reduce cardiovascular mortality.
However, the study revealed that many people fail to meet the recommended flavanol levels. Researchers analyzed data from over 30,000 participants using urine biomarkers to track flavanol intake.
The optimal daily intake of flavanols is between 400-600 mg. Alarmingly, fewer than one in five participants achieved this level, even among those consuming the recommended five servings of fruits and vegetables.
Researchers emphasize the importance of selecting the right fruits and vegetables rather than merely aiming for five servings a day.
So, which fruits and vegetables should you focus on for optimal flavanol intake?
Fruits high in flavanols include plums, which provide approximately 450 mg of flavanols per 500 g punnet, cranberries containing around 300 mg per 250 g punnet, and blackberries with about 250 mg per 200 g punnet.
For a comprehensive understanding of flavanol levels, you can reference resources like the Phenol Explorer and the US Department of Agriculture database. However, it’s important to note that the flavanol content can vary among different varieties of apples.
Making informed dietary choices and including a variety of fruits and vegetables is key. “Pairing your meals with green tea and a handful of blackberries or consuming a whole apple can significantly enhance your flavanol intake,” advises Dr. Javier Ottaviani, the lead author of the study from the University of California, Davis.
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Source: www.sciencefocus.com