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“When humans consume phytonutrients through fruits, vegetables, nuts, seeds and whole grains, they play powerful roles as antioxidants to help us fight against damage from the environment ...
And no, they're not all vegetables!
Natural phenols are a class of molecules found in abundance in plants. Many common foods contain rich sources of polyphenols which have antioxidant properties only in test tube studies. As interpreted by the Linus Pauling Institute, dietary polyphenols have little or no direct antioxidant food value following digestion. [7]
Cranberries contain polyphenols, a class of plant compounds that have antimicrobial and antioxidant properties. They owe their bright red color to flavonoids , which also have antioxidant properties.
The main source of polyphenols is dietary, since they are found in a wide array of phytochemical-bearing foods.For example, honey; most legumes; fruits such as apples, blackberries, blueberries, cantaloupe, pomegranate, cherries, cranberries, grapes, pears, plums, raspberries, aronia berries, and strawberries (berries in general have high polyphenol content [5]) and vegetables such as broccoli ...
Others, such as some polyphenols and flavonoids, may be pro-oxidants in high ingested amounts. [23] Non-digestible dietary fibers from plant foods, often considered as a phytochemical, [24] are now generally regarded as a nutrient group having approved health claims for reducing the risk of some types of cancer [25] and coronary heart disease. [26]
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[42] [43] These phytochemical compounds are being studied in vivo and in vitro for possible effects on the cardiovascular system, immune system and cancer. [ 44 ] [ 28 ] However, there is no confirmation from human studies that consuming cranberry polyphenols provides anti-cancer, immune, or cardiovascular benefits. [ 28 ]