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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]
Many other foods and beverages may also contain proanthocyanidins, but few attain the levels found in red grape seeds and skins, [6] with a notable exception being aronia, which has the highest recorded level of proanthocyanidins among fruits assessed to date (664 milligrams per 100 g).
Research links eating pomegranate arils (seeds) and drinking pomegranate juice with reductions in obesity, diabetes, cardiovascular diseases and even some cancer types.
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.
In 1988, hemolytic anemia following polyphenol consumption was documented, resulting in the withdrawal of a catechin-containing drug. [84] Polyphenols, particularly in beverages that contain them in high concentrations (tea, coffee, etc), inhibit the absorption of non-haem iron when consumed together in a single meal.
Richter explains, “Each class of phytonutrient has its own beneficial superpowers and can range from anti-inflammatory effects, immune health benefits, improvements in heart health, potential ...
The three flavonoid classes above are all ketone-containing compounds and as such, anthoxanthins (flavones and flavonols). [1] This class was the first to be termed bioflavonoids. The terms flavonoid and bioflavonoid have also been more loosely used to describe non-ketone polyhydroxy polyphenol compounds, which are more specifically termed ...
Pectin, which many fruits also contain, does a similar thing to cholesterol, Freeman adds. ... Apples are a major source of fiber, and contain vitamin C and polyphenols, a type of phytochemical ...