Polyphenols (/ˌpɒliˈfiːnoʊl, -nɒl/) are a large family of naturally occurring phenols. They are abundant in plants and structurally diverse. Polyphenols...
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Polyphenol oxidase (PPO; also polyphenol oxidase i, chloroplastic), an enzyme involved in fruit browning, is a tetramer that contains four atoms of copper...
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Green tea (redirect from Green tea polyphenols)
and gradually add more hot water during consumption.[citation needed] Polyphenols found in green tea include epigallocatechin gallate (EGCG), epicatechin...
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and value of such foods. Generally, it is a chemical reaction involving polyphenol oxidase (PPO), catechol oxidase, and other enzymes that create melanins...
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Phenolic content in wine (redirect from Polyphenols (wine))
content in wine refers to the phenolic compounds—natural phenol and polyphenols—in wine, which include a large group of several hundred chemical compounds...
47 KB (5,585 words) - 06:23, 20 August 2024
Phenolic content in tea (redirect from Tea polyphenols)
phenols and polyphenols, natural plant compounds which are found in tea. These chemical compounds affect the flavor and mouthfeel of tea. Polyphenols in tea...
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A polyphenol antioxidant is a hypothetized type of antioxidant, in which each instance would contain a polyphenolic substructure; such instances which...
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H-6 are also present. Genotype of cloudberry variants may also affect polyphenol composition, particularly for ellagitannins, sanguiin H-6, anthocyanins...
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List of antioxidants in food (section Polyphenols)
cryptoxanthin. Most food compounds listed as antioxidants – such as polyphenols common in colorful, edible plants – have antioxidant activity only in...
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Aronia (section Polyphenols)
pigmentation that arises from dense contents of polyphenols, especially anthocyanins. Total polyphenol content is 1752 mg per 100 g dry weight, anthocyanin...
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Phenols (redirect from Phenols and polyphenols derivative)
phenol, C 6H 5OH. Phenolic compounds are classified as simple phenols or polyphenols based on the number of phenol units in the molecule. Phenols are both...
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dimeric ellagitannin agrimoniin which is an isomer of sanguiin H-6. Other polyphenols present include flavonoids, such as anthocyanins, flavanols, flavonols...
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hydroxylated and polymerized in order to give the high molecular weight polyphenol motif that characterizes tannins. Typically, tannin molecules require...
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4′-trihydroxy-trans-stilbene) is a stilbenoid, a type of natural phenol or polyphenol and a phytoalexin produced by several plants in response to injury or...
40 KB (3,847 words) - 00:19, 12 August 2024
Quercetin is a plant flavonol from the flavonoid group of polyphenols. It is found in many fruits, vegetables, leaves, seeds, and grains; capers, red...
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ellagitannins are a diverse class of hydrolyzable tannins, a type of polyphenol formed primarily from the oxidative linkage of galloyl groups in 1,2,3...
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is a type of catechin. EGCG – the most abundant catechin in tea – is a polyphenol under basic research for its potential to affect human health and disease...
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contains lycopene (table). Guava leaves contain both carotenoids and polyphenols, such as (+)-gallocatechin and leucocyanidin. As some of these phytochemicals...
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bioflavonoid have also been more loosely used to describe non-ketone polyhydroxy polyphenol compounds, which are more specifically termed flavanoids. The three cycles...
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the presence of polyphenols. These are the most abundant compounds in tea leaves, making up 30–40% of their composition. Polyphenols in tea include flavonoids...
86 KB (9,700 words) - 07:01, 25 August 2024
Ellagic acid is a polyphenol found in numerous fruits and vegetables. It is the dilactone of hexahydroxydiphenic acid. The name comes from the French term...
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Folin–Ciocalteu reagent (redirect from Folin-Ciocalteu polyphenol test)
human health, referring to an absence of physiological evidence for polyphenols having antioxidant properties in vivo. Consequently, the ORAC method...
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fodder, as fertilizer, or for the extraction of bioactive compounds like polyphenols. The English word pomace derives from Medieval Latin pomaceum ("cider")...
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Medicinal plants (section Polyphenols)
diverse, with most in four biochemical classes: alkaloids, glycosides, polyphenols, and terpenes. Few of these are scientifically confirmed as medicines...
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grapes. Anthocyanins and other pigment chemicals of the larger family of polyphenols in purple grapes are responsible for the varying shades of purple in...
40 KB (4,064 words) - 22:16, 4 August 2024
Flavan-3-ol (category Polyphenols)
doi:10.1016/j.aca.2011.12.068. PMID 22340533. S2CID 24094780. "Database on polyphenol content in foods, v. 3.6". Phenol Explorer. 2016. Hammerstone JF, Lazarus...
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low in calories. It contains the prebiotic fiber inulin. It contains a polyphenol oxidase, which causes its darkened surface and muddy harshness by forming...
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apple sun scalding. Apple skins and seeds contain polyphenols. These are oxidised by the enzyme polyphenol oxidase, which causes browning in sliced or bruised...
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are 75% water, 15% fat, 4% carbohydrates and 1% protein (table). The polyphenol composition of olive fruits varies during fruit ripening and during processing...
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producing non-marine antioxidants such as ascorbic acid (vitamin C), polyphenols, and tocopherols. The evolution of angiosperm plants between 50 and 200...
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