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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]
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.
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.
Photo: iStock. Design: Eat This, Not That!Antioxidant-rich foods have long been championed by health professionals as crucial components of a healthy diet, backed by thousands of studies ...
Blueberries 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 ...
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 ...
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