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Phenolic content in tea

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241: 144: 37: 2212: 698:"Scientific Opinion on the substantiation of health claims related to various food(s)/food constituent(s) and protection of cells from premature aging, antioxidant activity, antioxidant content and antioxidant properties, and protection of DNA, proteins and lipids from oxidative damage pursuant to Article 13(1) of Regulation (EC) No 1924/20061" 321:
are under preliminary research, as of 2020, but there is no evidence that flavonoids have antioxidant activity in vivo, or affect physical health or diseases. Tea has one of the highest contents of flavonoids among common food and beverage products.
468:"Scientific Opinion on the substantiation of health claims related to Camellia sinensis (L.) Kuntze (tea), including catechins in green tea, and improvement of endothelium-dependent vasodilation (ID 1106, 1310), maintenance of normal blood pressure" 172:
Catechins constitute about 25% of the dry mass of a fresh tea leaf, although total catechin content varies widely depending on species, clonal variation, growing location, season, light variation, and altitude. They are present in nearly all
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Del Rio, Daniele; Stewart, Amanda J.; Mullen, William; Burns, Jennifer; Lean, Michael E. J.; Brighenti, Furio; Crozier, Alan (2004). "HPLC-MSnAnalysis of Phenolic Compounds and Purine Alkaloids in Green and Black Tea".
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with increasing degrees of oxidation of tea leaves. Theaflavins contribute to the bitterness and astringency of black tea. The mean amount of theaflavins in a cup of black tea (200 ml) is 12.18 mg.
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Chung, Mei; Zhao, Naisi; Wang, Deena; Shams-White, Marissa; Karlsen, Micaela; Cassidy, AedĂ­n; Ferruzzi, Mario; Jacques, Paul F.; Johnson, Elizabeth J.; Wallace, Taylor C. (19 February 2020).
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are the largest type of flavonoids in growing tea leaves. According to a report released by USDA, in a 200-ml cup of tea, the mean total content of flavonoids is 266.68 mg for
749:"Dose–Response Relation between Tea Consumption and Risk of Cardiovascular Disease and All-Cause Mortality: A Systematic Review and Meta-Analysis of Population-Based Studies" 499:
Pietta, P. G.; Simonetti, P.; Gardana, C.; Brusamolino, A.; Morazzoni, P.; Bombardelli, E. (1998). "Catechin metabolites after intake of green tea infusions".
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Peterson, J.; Dwyer, J.; Bhagwat, S.; Haytowitz, D.; Holden, J.; Eldridge, A.L.; Beecher, G.; Aladesanmi, J. (2005). "Major flavonoids in dry tea".
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Three main types of theaflavins are found in black tea, namely theaflavin (TF-1), theaflavin-3-gallate (TF-2), and theaflavin-3,3-digallate (TF-3).
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Balentine DA, Harbowy ME, Graham HN (1998). "Tea: the Plant and its Manufacture; Chemistry and Consumption of the Beverage". In Spiller GA (ed.).
165:(EGCG), epicatechin (EC), epicatechin-3-gallate (ECg), epigallocatechin (EGC), catechin, and gallocatechin (GC). The content of EGCG is higher in 1722: 733: 630:
Crozier, Alan; Jaganath, Indu B.; Clifford, Michael N. (2009). "Dietary phenolics: Chemistry, bioavailability and effects on health".
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EFSA Panel on Dietetic Products, Nutrition and Allergies (NDA)2, 3 European Food Safety Authority (EFSA), Parma, Italy (2010).
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could not be shown for a link between tea catechins and the maintenance of normal blood LDL-cholesterol concentration.
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U.S. Department of Agriculture, USDA Database for the Flavonoid Content of Selected Foods, Release 2.1, January 2007
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A 2020 review found low- to moderate-quality evidence that daily tea consumption might lower the risk for
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EFSA NDA Panel (EFSA Panel on Dietetic Products, Nutrition and Allergies) (2011).
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infusion: Finer black tea has a more orange tone than red as a result of higher
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Catechin monomer structures are metabolized into dimers
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Sensitive Determination of Catechins in Tea by HPLC
427:Thermo Scientific (Dionex) Application Note 275. 283:, bitter polyphenolic compounds that bind to and 2228: 291:conjugates all of the catechins, such as EGCG ( 809: 68:, natural plant compounds which are found in 728:: CS1 maint: multiple names: authors list ( 823: 378: 816: 802: 732:) CS1 maint: numeric names: authors list ( 597:Journal of Agricultural and Food Chemistry 540: 538: 2144: 1751: 774: 764: 713: 643: 483: 404: 32:Health effects of phenols and polyphenols 547:Journal of Food Composition and Analysis 239: 150:UV 280 nm chromatogram. Highest peak is 142: 35: 535: 372: 224:(vanillic acid) are the main catechins 14: 2229: 580: 578: 576: 797: 445:. Boca Raton: CRC Press. p. 35. 228:found in humans after consumption of 689: 459: 668: 573: 381:"Tea and health: studies in humans" 80:of tea. Polyphenols in tea include 24: 2134:Tea Research and Extension Station 25: 2248: 218:3-methoxy-4-hydroxy-hippuric acid 103:include, but are not limited to, 2211: 2210: 1448:Afternoon/High tea/Evening meal 740: 222:3-methoxy-4-hydroxybenzoic acid 105:epigallocatechin gallate (EGCG) 623: 587: 492: 434: 421: 235: 200:European Food Safety Authority 13: 1: 385:Current Pharmaceutical Design 366: 306: 204:cause and effect relationship 135:are also found in green tea. 138: 7: 397:10.2174/1381612811319340008 349: 337: 40:Most of the polyphenols in 10: 2253: 559:10.1016/j.jfca.2004.05.006 431:. Retrieved 3 August 2013. 379:Khan N, Mukhtar H (2013). 313:Polyphenol § Research 310: 271: 163:epigallocatechin-3-gallate 29: 2206: 2020: 1900: 1842: 1791: 1676: 1648: 1563: 1505: 1440: 1431: 1370: 1357:Strobilanthes tonkinensis 1288: 1255: 1232: 1204: 1056: 948: 860: 851: 838: 330:, and 233.12 mg for 214:3,4-dihydroxybenzoic acid 2099:Teas of related species 1940:Hong Kong–style milk tea 1885:Epigallocatechin gallate 766:10.1093/advances/nmaa010 715:10.2903/j.efsa.2010.1489 485:10.2903/j.efsa.2011.2055 361:Phenolic content in wine 293:Epigallocatechin gallate 2129:Lipton Institute of Tea 1463:East Asian tea ceremony 632:Natural Product Reports 513:10.1002/biof.5520080119 216:(protocatechuic acid), 198:A 2011 analysis by the 58:phenolic content in tea 27:Natural plant compounds 1723:Consumption by country 344:cardiovascular disease 253: 158: 76:affect the flavor and 53: 1321:English afternoon tea 753:Advances in Nutrition 387:(Literature Review). 356:Health effects of tea 243: 210:4-Hydroxybenzoic acid 146: 99:Polyphenols found in 39: 2095:List of Chinese teas 154:, second highest is 1518:Teahouse or tearoom 287:organic compounds. 113:epicatechin gallate 2118:Camellia taliensis 254: 161:Catechins include 159: 74:chemical compounds 54: 2224: 2223: 2202: 2201: 2111:Camellia sasanqua 2104:Camellia japonica 1787: 1786: 1644: 1643: 1366: 1365: 1341:Maghrebi mint tea 1131:Huangshan Maofeng 830:Camellia sinensis 609:10.1021/jf0354848 452:978-0-8493-2647-9 180:Camellia sinensis 16:(Redirected from 2244: 2214: 2213: 2142: 2141: 1920:Burmese milk tea 1855:Phenolic content 1749: 1748: 1438: 1437: 1331:Lapsang souchong 1106:Lu'an Melon Seed 858: 857: 818: 811: 804: 795: 794: 789: 788: 778: 768: 744: 738: 737: 727: 719: 717: 693: 687: 686: 684: 683: 672: 666: 665: 654:10.1039/b802662a 647: 627: 621: 620: 591: 585: 582: 571: 570: 542: 533: 532: 496: 490: 489: 487: 463: 457: 456: 438: 432: 425: 419: 418: 408: 376: 109:epigallocatechin 21: 2252: 2251: 2247: 2246: 2245: 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391:(34): 6141–7. 370: 368: 365: 364: 363: 358: 351: 348: 339: 336: 308: 305: 273: 270: 260:and oligomers 237: 234: 140: 137: 60:refers to the 30:Main article: 26: 9: 6: 4: 3: 2: 2249: 2238: 2235: 2234: 2232: 2217: 2209: 2208: 2205: 2195: 2192: 2190: 2187: 2185: 2182: 2180: 2177: 2175: 2172: 2170: 2167: 2165: 2162: 2160: 2157: 2155: 2152: 2151: 2149: 2147: 2143: 2135: 2132: 2130: 2127: 2126: 2125:Tea research 2124: 2120: 2119: 2115: 2113: 2112: 2108: 2106: 2105: 2101: 2100: 2098: 2096: 2093: 2091: 2088: 2084: 2081: 2080: 2078: 2074: 2071: 2069: 2066: 2064: 2061: 2059: 2056: 2054: 2051: 2049: 2046: 2044: 2041: 2039: 2036: 2034: 2031: 2030: 2029: 2026: 2025: 2023: 2019: 2013: 2010: 2008: 2005: 2003: 2000: 1998: 1995: 1993: 1990: 1988: 1985: 1983: 1980: 1978: 1975: 1973: 1970: 1968: 1965: 1963: 1960: 1958: 1955: 1951: 1950:Arnold Palmer 1948: 1947: 1946: 1943: 1941: 1938: 1936: 1933: 1931: 1928: 1926: 1923: 1921: 1918: 1916: 1915:Builder's tea 1913: 1911: 1908: 1907: 1905: 1899: 1891: 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242: 233: 231: 227: 223: 219: 215: 211: 207: 205: 202:found that a 201: 196: 194: 190: 187:, green tea, 186: 182: 181: 176: 170: 168: 164: 157: 153: 149: 145: 136: 134: 130: 126: 122: 118: 114: 110: 106: 102: 97: 95: 91: 87: 83: 79: 75: 71: 67: 63: 59: 51: 47: 43: 38: 33: 19: 18:Tea catechins 2179:Koththamalli 2154:Cannabis tea 2116: 2109: 2102: 2083:Tea classics 1987:Shahi haleeb 1854: 1707:Cultivation 1686:Leaf grading 1679:distribution 1550: 1543: 1536: 1529: 1522: 1458:Tasseography 1355: 1196:Tamaryokucha 1066:Anji bai cha 1033:Shui Jin Gui 1008:Huang Meigui 1003:Huangjin Gui 963:Ban Tian Yao 828: 756: 752: 742: 724:cite journal 705: 702:EFSA Journal 701: 691: 680:. Retrieved 676:"Flavonoids" 670: 635: 631: 625: 600: 596: 589: 550: 546: 504: 500: 494: 475: 472:EFSA Journal 471: 461: 442: 436: 423: 388: 384: 374: 341: 316: 275: 267: 262:thearubigins 255: 208: 197: 183:, including 178: 171: 160: 98: 57: 55: 49: 46:flavan-3-ols 2079:Literature 1992:Suutei tsai 1873:Flavan-3-ol 1792:Preparation 1581:Azerbaijani 1336:Masala chai 1326:Jasmine tea 1290:Blended or 978:Da Hong Pao 973:Bu Zhi Chun 905:Jin Jun Mei 708:(2): 1489. 478:(4): 2055. 346:and death. 303:qualities. 289:Gallic acid 285:precipitate 258:theaflavins 250:theaflavins 244:Darjeeling 236:Theaflavins 232:infusions. 226:metabolites 117:epicatechin 86:theaflavins 66:polyphenols 2164:Dried lime 2146:Herbal tea 1925:Butter tea 1910:Bubble tea 1901:Tea-based 1890:Theaflavin 1859:Compounds 1759:Bangladesh 1752:By country 1736:Chittagong 1691:Processing 1631:Senegalese 1564:By country 1513:Tea garden 1423:Vietnamese 1378:Australian 1234:Yellow tea 1146:Kamairicha 1076:Baimao Hou 1048:Tieguanyin 958:Bai Jiguan 950:Oolong tea 940:Yingdehong 890:Darjeeling 682:2020-04-15 567:10113/7266 501:BioFactors 367:References 319:flavonoids 311:See also: 307:Flavonoids 301:astringent 281:astringent 193:oolong tea 177:made from 125:kaempferol 94:flavonoids 2159:Chamomile 2012:Yuenyeung 2002:Teh tarik 1997:Sweet tea 1977:Noon chai 1814:Decoction 1774:Sri Lanka 1727:Auctions 1718:Companies 1636:Taiwanese 1621:Pakistani 1601:Hong Kong 1596:Dominican 1586:Brazilian 1576:Argentine 1531:Chashitsu 1490:Taiwanese 1453:Tea party 1413:Taiwanese 1304:Lady Grey 1300:Earl Grey 1214:Bai Mudan 1206:White tea 1141:Kabusecha 1111:Gunpowder 1101:Genmaicha 1086:Biluochun 1058:Green tea 1043:Tieluohan 1038:Shui Xian 983:Dong ding 862:Black tea 854:varieties 640:CiteSeerX 332:black tea 328:green tea 324:Catechins 246:black tea 230:green tea 189:black tea 185:white tea 167:green tea 148:Green tea 139:Catechins 133:myricitin 129:quercetin 121:flavanols 101:green tea 82:catechins 78:mouthfeel 72:. These 50:catechins 42:green tea 2231:Category 2216:Category 2053:Strainer 2021:See also 2007:Thai tea 1972:Milk tea 1957:Jagertee 1945:Iced tea 1878:Catechin 1868:Theanine 1863:Caffeine 1834:Tea lady 1824:Steeping 1804:Infusion 1741:Guwahati 1711:Diseases 1611:Japanese 1571:American 1495:Ryukyuan 1480:Japanese 1280:Kombucha 1161:Longjing 1091:Chun Mee 1028:Ruan zhi 1013:Jin Xuan 968:Baozhong 895:Dianhong 785:32073596 662:19636448 617:15137818 529:37684286 443:Caffeine 415:23448443 350:See also 338:Research 252:content. 152:caffeine 123:such as 2194:Rooibos 2174:Guayusa 2073:Tea set 2048:Infuser 2028:Teaware 1967:Lei cha 1829:Tea bag 1703:Tasting 1650:History 1626:Russian 1616:Mexican 1591:Chinese 1473:Yum cha 1468:Chinese 1441:Customs 1433:Culture 1418:Turkish 1398:Chinese 1388:British 1371:General 1311:English 1224:Shoumei 1191:Shincha 1171:Maojian 1156:Kukicha 1151:Konacha 1121:HĹŤjicha 1116:Gyokuro 998:Gaoshan 993:Fo Shou 920:Nilgiri 852:Common 843:History 776:7360449 521:9699018 406:4055352 297:tannins 277:Tannins 272:Tannins 90:tannins 62:phenols 2184:Kuding 2169:Ginger 2090:Coffee 2068:Gaiwan 2063:Teapot 2058:Teacup 2043:Chawan 1962:Kahwah 1930:Chifir 1903:drinks 1843:Health 1769:Rwanda 1731:London 1606:Indian 1538:Mizuya 1485:Korean 1408:Nepali 1403:Korean 1393:Ceylon 1383:Arabic 1275:Lahpet 1270:Doncha 1265:Pu-erh 1186:Sencha 1166:Matcha 1096:Dafang 1081:Bancha 1071:Aracha 1023:Rougui 930:Tibeti 925:Sikkim 915:Keemun 910:Kangra 885:Congou 880:Ceylon 783:  773:  660:  642:  615:  527:  519:  449:  413:  403:  131:, and 115:, and 92:, and 2038:Caddy 2033:Chest 1764:Kenya 1668:Japan 1663:India 1658:China 1506:Areas 1315:Irish 1176:Mecha 1136:Hyson 1018:Qilan 875:Bohea 870:Assam 525:S2CID 299:with 2189:Mate 1552:Roji 935:Rize 781:PMID 734:link 730:link 658:PMID 613:PMID 517:PMID 447:ISBN 411:PMID 279:are 220:and 191:and 175:teas 156:EGCG 64:and 56:The 44:are 2237:Tea 825:Tea 771:PMC 761:doi 710:doi 650:doi 605:doi 563:hdl 555:doi 509:doi 480:doi 401:PMC 393:doi 70:tea 2233:: 1313:, 779:. 769:. 757:11 755:. 751:. 726:}} 722:{{ 704:. 700:. 656:. 648:. 636:26 634:. 611:. 601:52 599:. 575:^ 561:. 551:18 549:. 537:^ 523:. 515:. 503:. 474:. 470:. 409:. 399:. 389:19 383:. 334:. 212:, 195:. 169:. 127:, 119:; 111:, 107:, 96:. 88:, 84:, 52:). 1317:) 1306:) 1302:( 833:) 827:( 817:e 810:t 803:v 787:. 763:: 736:) 718:. 712:: 706:8 685:. 664:. 652:: 619:. 607:: 569:. 565:: 557:: 531:. 511:: 505:8 488:. 482:: 476:9 455:. 417:. 395:: 48:( 20:)

Index

Tea catechins
Health effects of phenols and polyphenols

green tea
flavan-3-ols
phenols
polyphenols
tea
chemical compounds
mouthfeel
catechins
theaflavins
tannins
flavonoids
green tea
epigallocatechin gallate (EGCG)
epigallocatechin
epicatechin gallate
epicatechin
flavanols
kaempferol
quercetin
myricitin

Green tea
caffeine
EGCG
epigallocatechin-3-gallate
green tea
teas

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