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Particularly abundant flavanoids in foods are catechin (tea, fruits), hesperetin (citrus fruits), cyanidin (red fruits and berries), daidzein , proanthocyanidins (apple, grape, cocoa), and quercetin (onion, tea, apples). [2] Phenolic acids include caffeic acid; Lignans are polyphenols derived from phenylalanine found in flax seed and other cereals.
2.3.1 Phenolic acids. 2.3.2 Hydroxycinnamic acids. 2.4 Phenylethanoids. 2.5 Others. ... The following is a list of phytochemicals present in commonly consumed foods.
Ellagic acid - found in high concentration in raspberry and strawberry, and in ester form in barrel-aged alcohol such as red wine and whisky. Ellagitannins - hydrolysable tannin polymer formed when ellagic acid, a polyphenol monomer, esterifies and binds with the hydroxyl group of a polyol carbohydrate such as glucose.
The candy-like sweet, dried fruits also offer flavonoids, carotenoids, and phenolic acid, types of antioxidants that may help prevent the development of certain diseases.
Their content in dried fruits can be high. Natural phenols in horse grams (Macrotyloma uniflorum) are mostly phenolic acids, namely 3,4-dihydroxy benzoic, p-hydroxy benzoic, vanillic, caffeic, p-coumaric, ferulic, syringic, and sinapinic acids. [citation needed] Phenolic acids can be found in several mushroom-forming species of basidiomycetes. [2]
[23] [24] The aromatic amino acid phenylalanine, synthesized in the shikimic acid pathway, is the common precursor of phenol containing amino acids and phenolic compounds. In plants, the phenolic units are esterified or methylated and are submitted to conjugation , which means that the natural phenols are mostly found in the glycoside form ...
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 ...
Acid reflux, also known as gastroesophageal reflux disease, is a common condition that causes acid to splash from the stomach into the esophagus. The result: telltale symptoms of chest pain ...
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