Cranberry
Cranberry: Nutrition Facts and Health Benefits
The cranberry (Vaccinium macrocarpon) is a small, tart red berry native to North America, where it grows in acidic bogs across the northeastern United States and Canada. It is one of only a handful of fruits commercially cultivated in North America alongside blueberries and Concord grapes. Cranberries are rarely eaten raw due to their intense tartness and astringency; they are most commonly consumed dried, as juice, in sauces, or in dietary supplement form.
Nutritional Value of Cranberry
Fresh cranberries contain 46 kcal and 3.6 g of dietary fibre per 100 g. They are low in fat and provide modest amounts of vitamins C, E, K, and B vitamins including folate. Cranberries are notable for their high concentration of polyphenols — particularly proanthocyanidins (PACs), flavonols, and anthocyanins — which contribute to their deep red colour and bitter astringency. The natural sugar content of raw cranberries is very low, which is why most cranberry products — juices, dried cranberries, and sauces — contain significant added sugar.
Health Benefits of Cranberry
Cranberries are most widely associated with urinary tract health. The proanthocyanidins they contain — particularly A-type PACs — have been shown in studies to prevent certain bacteria, including E. coli, from adhering to the walls of the urinary tract, potentially reducing the risk of recurrent urinary tract infections (UTIs). Research supports cranberry products as a preventive measure for women prone to recurrent UTIs, though they are not a treatment for active infections. Beyond urinary health, cranberry polyphenols have been studied for potential cardiovascular benefits, including effects on blood pressure, HDL cholesterol, and arterial stiffness.
How to Select and Store Cranberries
Fresh cranberries are typically available from October through January in the Northern Hemisphere. Choose firm, bright red berries and discard any that are soft, shrivelled, or discoloured. Fresh cranberries keep well in the refrigerator for up to two months and freeze exceptionally well — frozen cranberries can be stored for up to a year with minimal quality loss. Dried cranberries should be stored in an airtight container at room temperature.
How to Use Cranberries
Raw cranberries are most commonly cooked into sauce or relish, where the addition of sugar balances their tartness. They work well in baked goods such as muffins, breads, and scones, and can be added to oatmeal, salads, and trail mix. Cranberry juice is popular as a drink and as a cocktail mixer. Dried cranberries are a convenient addition to granola, cheese boards, and grain salads.