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The terms flavonoid and bioflavonoid have also been more loosely used to describe non-ketone polyhydroxy polyphenol compounds, which are more specifically termed flavanoids. The three cycles or heterocycles in the flavonoid backbone are generally called ring A, B, and C. [2] Ring A usually shows a phloroglucinol substitution pattern.
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 ...
Phytochemicals, such as polyphenols, have been specifically discouraged from food labeling in Europe and the United States because there is no evidence for a cause-and-effect relationship between dietary polyphenols and inhibition or prevention of any disease. [28] [33]
The estimated daily intake of flavones is about 2 mg per day. [1] Following ingestion and metabolism, flavones, other polyphenols, and their metabolites are absorbed poorly in body organs and are rapidly excreted in the urine, indicating mechanisms influencing their presumed absence of metabolic roles in the body.
Polyphenols were once considered as antioxidants, but this concept is obsolete. [67] Most polyphenols are metabolized by catechol-O-methyltransferase, and therefore do not have the chemical structure allowing antioxidant activity in vivo; they may exert biological activity as signaling molecules.
Lentinan fruit body of shiitake (Lentinula edodes mycelium (LEM)) and other edible mushrooms. Fructan. Inulins diverse plants, e.g. topinambour, chicory. Lignin stones of fruits, vegetables (filaments of the garden bean), cereals. Pectins fruit skin (mainly apple and, quince), vegetables.
Escobar says frozen fruits and vegetables can be substituted if fresh varieties aren’t accessible to you. Three to five servings of whole or cracked grains, like brown rice, basmati rice, barley ...
A bioactive compound is a compound that has an effect on a living organism, tissue or cell, usually demonstrated by basic research in vitro or in vivo in the laboratory. While dietary nutrients are essential to life, bioactive compounds have not been proved to be essential – as the body can function without them – or because their actions are obscured by nutrients fulfilling the function.