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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]
This capability is why antioxidants are thought to be one of the main reasons why enjoying a plant-based diet with a high intake of frui 25 Best Antioxidant-Rich Fruits & Vegetables Skip to main ...
Foods with a high flavonoid content include parsley, onions, blueberries and strawberries, black tea, bananas, and citrus fruits. [11] One study found high flavonoid content in buckwheat. [12] Citrus flavonoids include hesperidin (a glycoside of the flavanone hesperetin), quercitrin, rutin (two glycosides of quercetin, and the flavone tangeritin.
OPCs also can be found in blueberries, cranberries (notably procyanidin A2), [26] aronia, [27] hawthorn, rosehip, and sea buckthorn. [28] Oligomeric proanthocyanidins can be extracted via Vaccinium pahalae from in vitro cell culture. [29] The US Department of Agriculture maintains a database of botanical and food sources of proanthocyanidins. [6]
And while phytonutrients and antioxidants are similar, they are not the same.Phytonutrients are found exclusively in plant-based foods, whereas antioxidants can also be found in non-plant sources.
Known as nature’s blue gem, blueberries are famous for their high antioxidant content. A one-cup serving (about 148 grams) has roughly 84 calories and provides a hearty dose of vitamin C ...
Food plants rich in anthocyanins include the blueberry, raspberry, black rice, and black soybean, among many others that are red, blue, purple, or black. Some of the colors of autumn leaves are derived from anthocyanins. [1] [2] Anthocyanins belong to a parent class of molecules called flavonoids synthesized via the phenylpropanoid pathway.
He explains that these foods are rich in antioxidants, brain-healthy polyunsaturated fats, vitamins, minerals and fiber, noting, "This supply of nutrients helps support brain health by promoting ...