The term polyphenol is not well-defined, but is generally agreed that they are natural products "having a polyphenol structure ... Polyphenols are also found in animals. In arthropods, such as insects, and crustaceans polyphenols play a role in epicuticle ... The most abundant polyphenols are the condensed tannins, found in virtually all families of plants. Larger polyphenols are ... Polyphenols were once considered as antioxidants, but this concept is obsolete. Most polyphenols are metabolized by catechol-O- ...
... (PPO; also polyphenol oxidase i, chloroplastic), an enzyme involved in fruit browning, is a tetramer that ... Polyphenol oxidase is an enzyme found throughout the plant and animal kingdoms, including most fruits and vegetables. PPO has ... In insects, cuticular polyphenol oxidases are present and their products are responsible for desiccation tolerance. Grape ... Plants make use of polyphenol oxidase as one in a suite of chemical defences against parasites. There are two types of ...
Ingestion of polyphenols occurs by consuming a wide array of plant foods.[citation needed] The regulation theory considers a ... A polyphenol antioxidant is a hypothetized type of antioxidant, in which each instance would contain a polyphenolic ... Gross, Paul (1 March 2009), New Roles for Polyphenols. A 3-Part Report on Current Regulations and the State of Science, ... Other possible effects may result from consumption of foods rich in polyphenols, but are not yet proved scientifically in ...
Natural polyphenols molecular formulas represent a class of natural aromatic organic compounds in which one or more hydroxy ...
Harborne, JB (January 1962). "Plant polyphenols. 5. Occurrence of azalein and related pigments in flowers of Plumbago and ...
Quideau, Stéphane (22 September 2009). "Why bother with Polyphenols". Groupe Polyphenols. Archived from the original on 10 ... Plant Polyphenols: 259-280. doi:10.1007/978-1-4615-3476-1_15. ISBN 978-1-4613-6540-2. Plant Polyphenols: Synthesis, Properties ... The most abundant polyphenols are the condensed tannins, found in virtually all families of plants, and comprising up to 50% of ... Polyphenol Ferrell, Katie E.; Thorington, Richard W. (2006). Squirrels: the animal answer guide. Baltimore: Johns Hopkins ...
Liaison-Groupe Polyphenols. 14: 248-257. Portal: Biology v t e (EC 2.8.2, Enzymes of unknown structure, Quercetin, All stub ...
Primulin Yellow on chemicalregister.com J. B. Harborne; H. S. A. Sherratt (1961). "Plant Polyphenols: 3. Flavonoids in ...
Harborne, J.B. (1962). "Plant polyphenols: 5. Occurrence of azalein and related pigments in flowers of Plumbago and Rhododendro ...
Not like controlled test tube conditions, the fate of polyphenols in vivo shows they are poorly conserved (less than 5%), with ... The increase in antioxidant capacity of blood seen after the consumption of polyphenol-rich (ORAC-rich) foods is not caused ... As interpreted by the Linus Pauling Institute, EFSA and the USDA, dietary polyphenols have little or no direct antioxidant food ... Arts IC, Hollman PC (2005). "Polyphenols and disease risk in epidemiologic studies". Am. J. Clin. Nutr. 81 (1 Suppl): 317S-325S ...
The Effect of Polyphenols on Brain Aging and Diseases", Bioactive Nutraceuticals and Dietary Supplements in Neurological and ... "Polyphenols: antioxidants and beyond". The American Journal of Clinical Nutrition. 81 (1): 215-217. doi:10.1093/ajcn/81.1.215S ...
Gross P (1 March 2009). "New Roles for Polyphenols. A 3-Part Report on Current Regulations and the State of Science". ... including a diverse class with non-nutrient status called polyphenols, which remain poorly understood as of 2017. ... whereas those without nutrient status are diverse polyphenols, flavonoids, resveratrol, and lignans that are present in ...
The fruits contain polyphenols. Treculia africana is a species of tree known in English as African breadfruit (Tanzania, Zambia ... The effect of a single oral dose of polyphenols obtained from the outercoat of the fruit of Treculia africana in protein- ...
Seasonal variation in polyphenol content of Ascophyllum nodosum (L.) Le Jol. And Fucus vesiculosus (L.)". Journal of ... Ragan, Mark A.; Glombitza, K.-W. (1986). "Phlorotannins, brown algal polyphenols". Prog. Phycol. Res. 4: 129-241. Schoenwaelder ... "Chelation of divalent metal ions by brown algal polyphenols". Marine Chemistry. 7 (3): 265. Bibcode:1979MarCh...7..265R. doi: ...
There is a risk that polyphenol oxidase (PPO) degrades the phenolic content of the sample therefore there is a need to use PPO ... Gutfinger, T. (1981). "Polyphenols in olive oils". Journal of the American Oil Chemists' Society. 58 (11): 966-8. doi:10.1007/ ... F. Favaron, M. Lucchetta, S. Odorizzi, A. T. Pais da Cunha and L. Sella (2009). "The role of grape polyphenols on trans- ... Phenols Polyphenol Khoddami, A; et al. (2013). "Techniques for analysis of plant phenolic compounds". Molecules. 18 (2): 2328- ...
With the three phases oil decanter, a portion of the oil polyphenols is washed out due to the higher quantity of added water ( ... "Polyphenols in olive oils". T. Gutfinger, Journal of the American Oil Chemists' Society, Volume 58, Number 11, 966-968, doi: ... In addition, the chemical content of the polyphenols, antioxidants, and vitamins present in the oil is reduced by higher ... Advantages Higher polyphenol content of oil Low temperature method Automated Low labor Oil/water separation step is not needed ...
Gross, P (2009). "New Roles for Polyphenols. A 3-Part report on Current Regulations & the State of Science". Nutraceuticals ...
Not like controlled test tube conditions, the fate of flavones or polyphenols in vivo shows they are poorly absorbed and poorly ... The increase in antioxidant capacity of blood seen after the consumption of polyphenol-rich (ORAC-rich) foods is not caused ... Spices, herbs, and essential oils are rich in polyphenols in the plant itself and shown with antioxidant potential in vitro. ... Flavonoids, a subset of polyphenol antioxidants, are present in many berries, as well as in coffee and tea. Examples: Myricetin ...
"Polyphenols in olive oils". T. Gutfinger, Journal of the American Oil Chemists' Society, Volume 58, Number 11, 966-968, doi: ... Unfiltered olive oil initially has higher levels of phenolics that form a complex polyphenol-protein complex. This complex ...
Iwashina, T.; Ootani, S. (1995). "Polyphenols in Iris setosa var. canadensis and their chemotaxonomic comparisons with three ...
"Database on polyphenol content in foods, v. 3.6". Phenol Explorer. 2016. Hammerstone JF, Lazarus SA, Schmitz HH (August 2000 ... ISBN 978-0-412-11960-6. Manach C, Scalbert A, Morand C, Rémésy C, Jiménez L (May 2004). "Polyphenols: food sources and ...
Plant Polyphenols: Synthesis, Properties, Significance. Springer Science & Business Media. p. 885. ISBN 978-0-306-44252-0. ...
Plant Polyphenols: Synthesis, Properties, Significance. Richard W. Hemingway, Peter E. Laks, Susan J. Branham (page 263) "28 ... Firstly, in the cell vacuoles where it is complexed with polyphenols. This caffeine probably is released into the mouth parts ... precipitates polyphenols and tannins. This property can be used in a quantitation method.[clarification needed] Around thirty ... and polyphenols that can form insoluble complexes with caffeine. Products containing caffeine include coffee, tea, soft drinks ...
Caffeine may not be the important component; polyphenols may be more important. Drinking two or more cups of coffee a day is ...
Polyphenols in Cereals and Legumes (1980) and Science, Agriculture, and Food Security (1995) are two other notable books ... Joseph H. Hulse (1980). Polyphenols in Cereals and Legumes. International Development Research Centre. p. 72. ISBN ... Joseph H. Hulse (1980). Polyphenols in Cereals and Legumes. International Development Research Centre. p. 72. ISBN ...
Polyphenols: ≥ 100 p.p.m. Italian products with protected designation of origin Olive oil regulation and adulteration Olive oil ...
... almost black pigmentation that arises from dense contents of polyphenols, especially anthocyanins. Total polyphenol content is ... "Total polyphenols in black chokeberry". Phenol-Explorer. 2014. Retrieved 27 March 2014. Wu X, Gu L, Prior RL, McKay S (2004). " ... Analysis of polyphenols in chokeberries has identified the following individual chemicals (among hundreds known to exist in the ... Breeding efforts aim to increase the content of polyphenol compounds while maintaining or increasing the fruit size. Further ...
"Antioxidative Polyphenols Isolated from Theobromacacao". Journal of Agricultural and Food Chemistry. 46 (2): 454-457. doi: ...
"Polyphenols in green tea infusion". Phenol-Explorer, v 3.5. 2014. Retrieved 1 November 2014. Pacheco-Palencia LA, Mertens- ... It belongs to the subgroup of polyphenols called flavonoids. The name of the catechin chemical family derives from catechu, ... Aprotosoaie AC, Miron A, Trifan A, Luca VS, Costache II (December 2016). "The Cardiovascular Effects of Cocoa Polyphenols-An ... "Optimization of supercritical fluid consecutive extractions of fatty acids and polyphenols from Vitis vinifera grape wastes". ...
Plant polyphenols: synthesis, properties, significance. ISBN 978-0-306-44252-0. Römpp CD 2006, Georg Thieme Verlag 2006 Etti, C ...