{"id":6815,"date":"2024-04-07T09:02:31","date_gmt":"2024-04-07T09:02:31","guid":{"rendered":"https:\/\/longchangchemical.com\/?p=6815"},"modified":"2026-04-28T10:42:27","modified_gmt":"2026-04-28T10:42:27","slug":"what-are-the-colours-in-tea-and-what-do-they-do","status":"publish","type":"post","link":"https:\/\/longchangchemical.com\/hu\/what-are-the-colours-in-tea-and-what-do-they-do\/","title":{"rendered":"Milyen sz\u00ednek vannak a te\u00e1ban, \u00e9s mit csin\u00e1lnak?"},"content":{"rendered":"<p><!-- lc-qa-start --><\/p>\n<p><strong>Quick answer:<\/strong> A strong printing-ink formulation is usually the one that keeps process stability and final print quality in balance, rather than over-optimizing only one part of the press behavior.<\/p>\n<p><!-- lc-qa-end --><\/p>\n<p>A te\u00e1ban l\u00e9v\u0151 pigment a friss teafa levelekben \u00e9s a k\u00e9sz te\u00e1ban jelen l\u00e9v\u0151 sz\u00ednes anyagok egy oszt\u00e1lya, ez az az \u00f6sszetev\u0151, amely a tea sz\u00edn\u00e9nek, a leves sz\u00edn\u00e9nek \u00e9s a lev\u00e9l alj\u00e1nak sz\u00edn\u00e9t adja, tartalma \u00e9s v\u00e1ltoz\u00e1sai fontos szerepet j\u00e1tszanak a tea min\u0151s\u00e9g\u00e9ben.<\/p>\n<p>&nbsp;<\/p>\n<p>A teapigmentek k\u00f6z\u00f6tt vannak olyanok, amelyek m\u00e1r a friss levelekben is jelen vannak, ezeket nevezz\u00fck a tea term\u00e9szetes pigmentjeinek, \u00e9s vannak olyanok, amelyek a feldolgoz\u00e1s sor\u00e1n egyes anyagok oxidat\u00edv kondenz\u00e1ci\u00f3j\u00e1val keletkeznek. A teapigmenteket \u00e1ltal\u00e1ban k\u00e9t kateg\u00f3ri\u00e1ba sorolj\u00e1k: zs\u00edrban old\u00f3d\u00f3 pigmentek \u00e9s v\u00edzben old\u00f3d\u00f3 pigmentek.<\/p>\n<p>&nbsp;<\/p>\n<p>A zs\u00edrban old\u00f3d\u00f3 pigmentek els\u0151sorban a sz\u00e1r\u00edtott tealevelek sz\u00edn\u00e9ben \u00e9s a levelek alj\u00e1nak sz\u00edn\u00e9ben j\u00e1tszanak szerepet, m\u00edg a v\u00edzben old\u00f3d\u00f3 pigmentek els\u0151sorban a tealev\u00e9lre vannak hat\u00e1ssal.<\/p>\n<p>&nbsp;<\/p>\n<p>A term\u00e9szetellenes hozz\u00e1adott pigmenteket lesz\u00e1m\u00edtva a te\u00e1ban k\u00e9tf\u00e9le pigment van, a term\u00e9szetes pigmentek \u00e9s a feldolgozott pigmentek, amelyeket bemutatunk \u00d6nnek.<\/p>\n<p>&nbsp;<\/p>\n<p>&nbsp;<\/p>\n<p>Term\u00e9szetes sz\u00ednek a te\u00e1ban<\/p>\n<p>&nbsp;<\/p>\n<p>(i) Zs\u00edrban old\u00f3d\u00f3 pigmentek<\/p>\n<p>Bele\u00e9rtve a klorofillt \u00e9s a karotinoidokat, v\u00edzben nem old\u00f3dik, nem pol\u00e1ros szerves old\u00f3szerekben old\u00f3dik.<\/p>\n<p>&nbsp;<\/p>\n<p>Klorofillok<\/p>\n<p>A klorofill a \u00e9s b klorofillra oszlik. A friss tealevelekben l\u00e9v\u0151 klorofill a tealevelek sz\u00e1raz t\u00f6meg\u00e9nek k\u00f6r\u00fclbel\u00fcl 0,3%-0,8%-\u00e1t teszi ki. A klorofill a tartalma 2~3-szorosa a klorofill b-nek. A klorofill teljes mennyis\u00e9ge a fajt\u00e1t\u00f3l \u00e9s az \u00e9vszakt\u00f3l f\u00fcgg. A klorofill teljes mennyis\u00e9ge nagym\u00e9rt\u00e9kben v\u00e1ltozik a fajt\u00e1k, az \u00e9vszakok \u00e9s az \u00e9retts\u00e9g szerint. A s\u00e1rg\u00e1sz\u00f6ld level\u0171 friss levelek klorofilltartalma alacsony, a s\u00f6t\u00e9tz\u00f6ld level\u0171 friss levelek\u00e9 pedig magas.<\/p>\n<p>&nbsp;<\/p>\n<p>\u00c1ltal\u00e1ban a magas klorofilltartalm\u00fa z\u00f6ld te\u00e1t r\u00e9szes\u00edtik el\u0151nyben, a fekete tea, oolong, feh\u00e9r tea, s\u00e1rga tea \u00e9s egy\u00e9b klorofilltartalomra vonatkoz\u00f3 k\u00f6vetelm\u00e9nyek alacsonyabbak, mint a z\u00f6ld tea.<\/p>\n<p>&nbsp;<\/p>\n<p>Karotinoidok<\/p>\n<p>A karotinoidok a s\u00e1rg\u00e1t\u00f3l a narancsv\u00f6r\u00f6sig terjed\u0151 sz\u00edn\u0171 vegy\u00fcletek egy oszt\u00e1lya. A te\u00e1ban 17 karotinoid vegy\u00fclet tal\u00e1lhat\u00f3, amelyek k\u00e9t kateg\u00f3ri\u00e1ba sorolhat\u00f3k: karotinoidok \u00e9s lutein. A karotinoidok, k\u00fcl\u00f6n\u00f6sen a fekete tea feldolgoz\u00e1sa sor\u00e1n, kiterjedt oxidat\u00edv leboml\u00e1snak vannak kit\u00e9ve, \u00e9s az ibolyasz\u00edn\u0171 rotenoidok csal\u00e1dj\u00e1ba tartoz\u00f3 vegy\u00fcletek sorozat\u00e1t alkotj\u00e1k. 1978-ban Omori (1978) meg\u00e1llap\u00edtotta, hogy a \u03b2-karotin hozz\u00e1ad\u00e1sa a fekete tea feldolgoz\u00e1sa sor\u00e1n kedvez\u0151en hat a fekete tea sz\u00edn\u00e9re \u00e9s arom\u00e1j\u00e1ra.<\/p>\n<p>&nbsp;<\/p>\n<p>(ii) V\u00edzben old\u00f3d\u00f3 pigmentek<\/p>\n<p>A v\u00edzben old\u00f3d\u00f3 pigment a v\u00edzben oldhat\u00f3 sz\u00ednez\u0151anyagok \u00e1ltal\u00e1nos megnevez\u00e9se. \u00c1ltal\u00e1ban az antoci\u00e1nok, antoci\u00e1nok \u00e9s katechinek oxid\u00e1ci\u00f3s term\u00e9keire utal. Tea tal\u00e1ltak tucatnyi vir\u00e1g flavonoidok, antoci\u00e1nok, a f\u0151 test v\u00edzben old\u00f3d\u00f3 pigmentek a tea.<\/p>\n<p>&nbsp;<\/p>\n<p>A flavonoidok, m\u00e1s n\u00e9ven flavonoidok, els\u0151sorban a flavonolok \u00e9s a flavonoidok k\u00e9tf\u00e9le vegy\u00fclet, amelyek a tea polifenolok \u00f6sszetev\u0151i. A z\u00f6ld tea leves sz\u00edn\u00e9nek fontos r\u00e9sz\u00e9t k\u00e9pezik.<\/p>\n<p>&nbsp;<\/p>\n<p>&nbsp;<\/p>\n<p>A tea feldolgoz\u00e1sa sor\u00e1n k\u00e9pz\u0151d\u0151 sz\u00ednpigmentek<\/p>\n<p>&nbsp;<\/p>\n<p>A folyamat sor\u00e1n a tea feldolgoz\u00e1sa k\u00e9pz\u0151dik a k\u00fcl\u00f6nb\u00f6z\u0151 pigmentek, amelyek alkotj\u00e1k a jellemz\u0151k a tea min\u0151s\u00e9ge, fontos szerepet j\u00e1tszanak a k\u00fcl\u00f6nb\u00f6z\u0151 t\u00edpus\u00fa tea. P\u00e9ld\u00e1ul a fekete tea feldolgoz\u00e1sa sor\u00e1n a polifenolok oxid\u00e1ci\u00f3ja miatt theaflavinok \u00e9s thearubiginek k\u00e9pz\u0151dnek, \u00edgy a fekete tea min\u0151s\u00e9gi jellemz\u0151i.<\/p>\n<p>Theaflavinok<\/p>\n<p>A teaflavinok a fekete te\u00e1ban tal\u00e1lhat\u00f3 narancss\u00e1rga sz\u00edn\u0171 \u00e9s fanyar \u00edz\u0171 pigmentek egy csoportja. Fontos szerepet j\u00e1tszik a fekete tea sz\u00edn\u00e9nek \u00e9s arom\u00e1j\u00e1nak intenzit\u00e1s\u00e1ban \u00e9s frissess\u00e9g\u00e9ben, valamint a fekete tea \"f\u00e9nyes\" h\u00fasleves sz\u00edn\u00e9nek f\u0151 \u00f6sszetev\u0151je, \u00e9s a fekete tea \"aranyk\u00f6r\u00e9nek\" kialak\u00edt\u00e1s\u00e1ban is f\u0151 anyag. A magas teaflavin tartalm\u00fa fekete tea leves sz\u00edne aranys\u00e1rga, kiv\u00e1l\u00f3 min\u0151s\u00e9g\u0171, rendk\u00edv\u00fcl n\u00e9pszer\u0171 a piacon.<\/p>\n<p>&nbsp;<\/p>\n<p>RobertsE.A.H. r\u00e1mutatott, hogy a legt\u00f6bb b\u00edr\u00e1l\u00f3 sz\u00edn\u00e9rt\u00e9kel\u00e9s\u00e9t aaflavin befoly\u00e1solja, min\u00e9l magasabb a tartalma, ann\u00e1l vil\u00e1gosabb a leves sz\u00edne, aranys\u00e1rga, min\u00e9l alacsonyabb a tartalma, ann\u00e1l s\u00f6t\u00e9tebb a leves sz\u00edne. A teaflavin \u00e9s a koffein, a teobromin \u00e9s m\u00e1s komplexek, min\u00e9l alacsonyabb a h\u0151m\u00e9rs\u00e9klet mutatja a tej megalvad\u00e1s\u00e1nak jelens\u00e9g\u00e9t, a tealeves \"hideg ut\u00e1n s\u00e1ros\" az egyik fontos t\u00e9nyez\u0151.<\/p>\n<p>&nbsp;<\/p>\n<p>Az 1990-es \u00e9vekben kilenc teaflavin-komponenst izol\u00e1ltak: teaflavin 1a, 1b, 1c, teaflavinsav stb. Hilton \u00e9s Cloughley (1980) tanulm\u00e1nya kimutatta, hogy a teaflavintartalom pozit\u00edvan korrel\u00e1l a tea \u00e1r\u00e1val, a teaflavin mennyis\u00e9g\u00e9nek m\u00e9r\u00e9se r\u00e9v\u00e9n a fekete tea piaci \u00e1ra el\u0151re jelezhet\u0151. A teaflavinok antivir\u00e1lis, lipidszab\u00e1lyoz\u00f3, sz\u00edv- \u00e9s \u00e9rrendszeri betegs\u00e9gek megel\u0151z\u00e9s\u00e9re alkalmasak, \u00e9s nincsenek toxikus mell\u00e9khat\u00e1saik.<\/p>\n<p>&nbsp;<\/p>\n<p>Theaflavinok<\/p>\n<p>A teobromin a v\u00f6r\u00f6sesbarna fenolos vegy\u00fcletek \u00f6sszetett oszt\u00e1lya. Tartalma a fekete te\u00e1ban k\u00f6r\u00fclbel\u00fcl 6% \u00e9s 15% k\u00f6z\u00f6tt van (sz\u00e1raz t\u00f6meg). Az anyag barn\u00e1sv\u00f6r\u00f6s, v\u00edzben old\u00f3dik, a v\u00edzoldat savas, gyenge irrit\u00e1ci\u00f3t okoz, a fekete tea leves sz\u00edn\u00e9t alkot\u00f3 f\u0151 anyag, r\u00e9szt vesz a \"hideg ut\u00e1n s\u00e1ros\" kialakul\u00e1s\u00e1ban.<\/p>\n<p>&nbsp;<\/p>\n<p>Tea barna pigment<\/p>\n<p>A teafukoxantin egyfajta v\u00edzoldhat\u00f3, nem dial\u00edzisre k\u00e9pes, magas polimeriz\u00e1ci\u00f3j\u00fa barna anyag, f\u0151 \u00f6sszetev\u0151i poliszacharidok, feh\u00e9rj\u00e9k, nukleinsavak \u00e9s polifenolok, amelyeket a teaflavin \u00e9s a tearubigin tov\u00e1bb oxid\u00e1l \u00e9s polimeriz\u00e1l, ami fontos t\u00e9nyez\u0151 a fekete tea h\u00fasleves sz\u00edn\u00e9nek s\u00f6t\u00e9ts\u00e9g\u00e9ben. A teaflavint a Pu-erh te\u00e1b\u00f3l (\u00e9rett tea) modern fizikai technol\u00f3gi\u00e1val vonj\u00e1k ki, \u00e9s j\u00f3t\u00e9kony hat\u00e1ssal van az emberi szervezetre, p\u00e9ld\u00e1ul cs\u00f6kkenti a v\u00e9rzs\u00edrokat \u00e9s a v\u00e9rcukorszintet.<\/p>\n<p>&nbsp;<\/p>\n<p>A te\u00e1ban sokf\u00e9le sz\u00ednez\u00e9k van, amelyek j\u00f3t\u00e9kony hat\u00e1ssal vannak az emberi eg\u00e9szs\u00e9gre. Azonban a k\u00fcls\u0151, abnorm\u00e1lis adal\u00e9kanyag\u00fa pigmentek k\u00e1ros\u00edthatj\u00e1k az emberi szervezetet, ez\u00e9rt a tea v\u00e1s\u00e1rl\u00e1sakor gondosan kell kiv\u00e1lasztani \u00e9s azonos\u00edtani.<\/p>\n<p>&nbsp;<\/p>\n<p>Vannak hozz\u00e1adott sz\u00ednez\u00e9kek?<\/p>\n<p>Hogyan ismerj\u00fck fel a piacon l\u00e9v\u0151 te\u00e1t<\/p>\n<p>&nbsp;<\/p>\n<p>Sz\u00e1r\u00edtott tea: T\u00fal vil\u00e1gos sz\u00edn<\/p>\n<p>Egy tea sz\u00e1raz te\u00e1j\u00e1b\u00f3l sok mindent meg tudunk \u00e1llap\u00edtani, p\u00e9ld\u00e1ul az alapanyagok kor\u00e1t \u00e9s \u00e9rz\u00e9kenys\u00e9g\u00e9t, valamint azt, hogy mennyire j\u00f3 vagy rossz a feldolgoz\u00e1si technol\u00f3gia. Hasonl\u00f3k\u00e9ppen egy sz\u00e1r\u00edtott te\u00e1r\u00f3l azt is meg tudjuk \u00e1llap\u00edtani, hogy van-e hozz\u00e1adott sz\u00ednez\u00e9k. \u00c1ltal\u00e1ban a hozz\u00e1adott sz\u00ednez\u00e9ket tartalmaz\u00f3 sz\u00e1r\u00edtott tea nagyon \u00e9l\u00e9nknek t\u0171nik, mint p\u00e9ld\u00e1ul a Biluochun hozz\u00e1adott \u00f3lomkr\u00f3m z\u00f6lddel, a Jinjunmei hozz\u00e1adott naplementes\u00e1rg\u00e1val stb., amelyek mind olyan \u00e9l\u00e9nkek, hogy kiss\u00e9 szokatlanok.<\/p>\n<p>&nbsp;<\/p>\n<p>Illat: Tiszt\u00e1talan<\/p>\n<p>A hozz\u00e1adott sz\u00ednez\u00e9ket tartalmaz\u00f3 tea szokatlan illatot ad a te\u00e1nak. Ha a tealevelek \u00edze nem tiszta a f\u0151z\u00e9s ut\u00e1n, furcsa szagok, k\u00fcl\u00f6nf\u00e9le szagok \u00e9s egy\u00e9b nehezen azonos\u00edthat\u00f3 \u00edzek vannak, akkor ezek a te\u00e1k lehetnek hozz\u00e1adott \u00edzes\u00edt\u0151 vagy sz\u00ednez\u0151anyagok.<\/p>\n<p>&nbsp;<\/p>\n<p>Tealeves: zavaros \u00e9s \u00e1tl\u00e1tszatlan<\/p>\n<p>\u00c1ltal\u00e1ban a tealevesnek nagyon tiszt\u00e1nak kell lennie, csak n\u00e9h\u00e1ny helytelen\u00fcl feldolgozott zavaross\u00e1gnak, vagy t\u00f6bb, a tr\u00e1gya \u00e1ltal termelt hajteafajt\u00e1nak. A hozz\u00e1adott sz\u00ednez\u00e9ket tartalmaz\u00f3 tea a f\u0151z\u00e9s ut\u00e1n zavaros lesz, nem a szok\u00e1sos sz\u00edn\u0171.<\/p>\n<p>&nbsp;<\/p>\n<p>A k\u00fcl\u00f6nb\u00f6z\u0151 pigmentek k\u00fcl\u00f6nb\u00f6z\u0151 min\u0151s\u00e9g\u0171 te\u00e1kat alkotnak, a te\u00e1ban l\u00e9v\u0151 pigmentek meg\u00e9rt\u00e9se seg\u00edthet nek\u00fcnk a tea intuit\u00edv kiv\u00e1laszt\u00e1s\u00e1ban, a tea hiteless\u00e9g\u00e9nek azonos\u00edt\u00e1s\u00e1ban, hogy eg\u00e9szs\u00e9gesebben fogyaszthassuk a te\u00e1t \u00e9s \u00e9lvezhess\u00fck az \u00e9letet.<\/p>\n<p><!-- lc-commercial-start --><\/p>\n<h2>How technical buyers usually evaluate printing-ink issues<\/h2>\n<p>Ink performance problems are often multi-variable problems. Teams generally move faster when they screen transfer, flow, drying or curing, and substrate hold together instead of changing one raw material at a time without a clear decision frame.<\/p>\n<ul>\n<li><strong>Define the real process bottleneck:<\/strong> poor transfer, drying problems, skinning, and color instability often need different corrective routes.<\/li>\n<li><strong>Check viscosity inside the print process:<\/strong> an ink that looks fine in the container can behave very differently on the machine.<\/li>\n<li><strong>Review substrate compatibility:<\/strong> paper, film, metalized surfaces, and laminates often require different balance points.<\/li>\n<li><strong>Use post-print checks as part of selection:<\/strong> scratch resistance, tape adhesion, lamination behavior, and storage stability are usually as important as the fresh-print appearance.<\/li>\n<\/ul>\n<h3>Recommended product references<\/h3>\n<ul>\n<li><strong><a href=\"https:\/\/longchangchemical.com\/hu\/product\/chlumiaf-094\/\">CHLUMIAF 094<\/a>:<\/strong> A balanced defoamer reference for waterborne coatings and many general foam-control screens.<\/li>\n<li><strong><a href=\"https:\/\/longchangchemical.com\/hu\/product\/chlumiaf-3037\/\">CHLUMIAF 3037<\/a>:<\/strong> A stronger process-defoaming option when persistent foam survives harsher conditions.<\/li>\n<li><strong><a href=\"https:\/\/longchangchemical.com\/hu\/product\/chlumiwe-3280\/\">CHLUMIWE 3280<\/a>:<\/strong> A strong wetting-agent reference for inks, coatings, and difficult substrate wetting.<\/li>\n<li><strong><a href=\"https:\/\/longchangchemical.com\/hu\/product\/chlumiwe-3071-organic-silicone-surfactant-organosilicone-wetting-agent\/\">CHLUMIWE 3071<\/a>:<\/strong> Useful when organosilicone wetting support is needed in a broad application screen.<\/li>\n<\/ul>\n<h3>FAQ for buyers and formulators<\/h3>\n<p><strong>Why do many ink problems require more than one formulation change?<\/strong><br \/>Because flow, transfer, drying, adhesion, and appearance interact, so improving one of them can sometimes worsen another if the full system is not reviewed together.<\/p>\n<p><strong>Should rheology be judged only by a single viscosity number?<\/strong><br \/>Not usually. Printability also depends on transfer behavior, temperature, shear history, and how the ink behaves on the actual press.<\/p>\n<p><!-- lc-commercial-end --><\/p>","protected":false},"excerpt":{"rendered":"<p>Pigment in tea is a class of coloured substances present in fresh leaves of tea tree and finished tea, it is the component that constitutes the appearance of tea colour,<\/p>","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[156],"tags":[],"class_list":["post-6815","post","type-post","status-publish","format-standard","hentry","category-food-additives"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v25.3.1 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>What are the colours in tea and what do they do? - Longchang Chemical<\/title>\n<meta name=\"description\" content=\"Pigment in tea is a class of coloured substances present in fresh leaves of tea tree and finished tea, it is the component that constitutes the appearan...\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/longchangchemical.com\/hu\/what-are-the-colours-in-tea-and-what-do-they-do\/\" \/>\n<meta property=\"og:locale\" content=\"hu_HU\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"What are the colours in tea and what do they do? 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