Individuals who drink red wine for its polyphenol content, which has been associated with good heart health, may be interested to know that dark beers may also have some nutritional value.
In a study conducted by researchers at the University of Valladolid in Spain, it was found that dark beers — like stouts and porters — contain about 121 parts per billion (ppb) of iron, compared to 92 ppb in pale ales and 63 ppb in non-alcoholic beer.
“Although these quantities are very small, the differences are apparent and could be due to the production processes or raw materials used in manufacturing,” said co-author Carlos Blanco.
Beers with the highest iron content included Spanish varieties, found to have 165 ppb, and Mexican brews, with an estimated 130 ppb. Continue reading