teapolyphenols (TPs) ke lentsoe le akaretsang bakeng sa metsoako ea polyhydroxyphenolic ka tee, ho kenyelletsa le flavanols (catechins), flavandiols, flavonoids le phenolic acid. Li-catechin ke sehlopha sa lintho tsa bohlokoa ho tee ea polyphenols, e etsang karolo ea 60 ho isa ho 80% ea kakaretso ea tee ea polyphenols. Haholo-holo li na le li-monomer tse 8, ho kenyelletsa epigallocatechin gallate, epigallocatechin, gallocatechin, epicatechin gallate, epicatechin gallate, catechin gallate, epicatechin gallate, epicatechin gallate, epicatechin gallate, epicatechin gallate le epicatechin gallate.

Ha ho ntse ho etsoa tee, polyphenol oxidase le peroxidase oxidize catechins ho fumana thearubin, theaflavin le theaflavin li-pigments tse tharo tsa tee. Li-TP tsena ha li fe tee feela tatso le 'mala oa eona o rarahaneng, empa hape li thusa bophelo bo botle ba batho.

Kajeno, ha ba ntse ba phehella nts'etsopele ea maemo a holimo ea moruo, batho ba boetse ba nahana ka nts'etsopele e tala le ho e sebelisa hape. Tea polyphenols e na le antioxidant, antibacterial, anti-cancer le anti-bobesity, kahoo bafuputsi ba e sebelisitse meriana le lijo.

Meriana, bafuputsi ba sebelisa mekhoa ea ho fana ho sireletsa lithethefatsi tse senyehang habonolo le ho ntlafatsa bioavailability ea tsona; Ho phaella moo, tee ea polyphenols e kopantsoe le liprotheine le li-polysaccharides ho etsa lihlahisoa tse ncha tse sireletsang letsatsi le lithethefatsi, tse sebelisetsoang tlhokomelo ea letlalo, anti-allergy, anti-pathogen, ho boloka bophelo bo botle ba molomo le ho laola metabolism ea lipid.

Lefapheng la lipatlisiso tsa lijo, li-polyphenols tsa tee li kopantsoe haholo le li-polysaccharides, liprotheine, joalo-joalo, ka ho sebelisana ha limolek'hule ho ntlafatsa boleng ba kutlo ba lijo, ho lelefatsa nako ea polokelo ea lijo le ho etsa thepa ea ho paka lijo. Ho latela sena, re buisane ka lipatlisiso tsa t?ebeliso ea tee ea polyphenols t?imong ea lijo le meriana, e le ho fana ka lit?upiso bakeng sa lipatlisiso tse tebileng tsa tee ea polyphenols lijong le meriana.

1.Lintho tsa 'mele le tsa lik'hemik'hale tsa tee ea polyphenols

Tea polyphenols e tsoa ho makhasi a tee 'me ke motsoako oa metsoako ea organic polyhydroxyl, ho akarelletsa likatechins, anthocyanins, flavonols le phenolic acids, joalo-joalo Karolo e ka sehloohong ea antioxidant ke li-catechin. Har'a bona, epigallocatechin gallate e nka karolo ea 50% ho isa ho 60%, epicatechin gallate e tsoa ho 15% ho isa ho 20%, epigallocatechin e nka 10% ho isa ho 15%, gallatechin e nka 6% ho isa ho 8% mme epicatechin e nka 4% ho isa ho 6%. Mocheso oa kamore, tee ea polyphenols ke phofo e mosehla kapa e bobebe e botala, tatso ea astringent, khanyetso e matla ea acid, e tsitsitseng pH 2 ~ 7; Tea polyphenols e na le hygroscopicity e itseng 'me e bonolo ho fetola' mala sebakeng sa alkaline.

2. Ts'ebetso ea bioloji ea tee ea polyphenols

Tea polyphenols e na le mesebetsi e fapaneng ea likokoana-hloko joalo ka antioxidant, antibacterial le anti-mutation, EGCG ke eona e ngata ka ho fetesisa ka har'a likatekisine mme e bapala ts'ebetso ea mantlha ea antioxidant. Ts'ebetso ea bioloji e tsoa sehlopheng sa phenolic hydroxyl ho tee polyphenols, e bapalang mesebetsi e fapaneng ea tlhaho mefuteng e fapaneng ea lijo. Mesebetsi ena e khethehileng e etsa hore tee ea polyphenols e sebelisoe haholo lijong.

T?ebeliso ea tee ea polyphenols lijong

1.Ho boloka le ho boloka lijo

Tea polyphenols e ka sebelisoa haholo ho boloka le ho boloka lijo, litlamorao tse se nang chefo le lit?obotsi tsa polokeho e jeoang li e etsa khetho e nepahetseng. E ka thibela ho fetoha ha 'mala oa oxidation ea lijo, ea ntlafatsa botsitso ba selulose, le ho sireletsa limatlafatsi tse lijong.

2.Eketsa li-antioxidants tsa maiketsetso

Ka tlhokomelo e lefshoang polokehong ea lijo, li-polyphenols tsa tee butle-butle li nkela li-antioxidants tsa maiketsetso e le li-antioxidants tsa tlhaho. E ke ke ea sebelisoa feela ka oli ea liphoofolo le ea meroho, lihlahisoa tsa nama, lihlahisoa tsa metsing, lijo tsa litholoana le meroho, joalo-joalo, empa hape e ka sebelisoa ka pastry, candy joalo-joalo. Ke habohlokoa ho hlokomela hore ts'ebetso ea antioxidant ea tee polyphenols e qalile ho sebelisoa ka mafura le lijo tse mafura. Ka lebaka la ts'ebetso ea phenol hydroxyl lesale la benzene la katekisine ho fana ka hydrogen, e na le bokhoni bo matla ba ho fokotsa 'me e fetoha antioxidant e loketseng ea tlhaho bakeng sa mafura.

Mokhoa oa antioxidative oa tee ea polyphenols ke hore sehlopha se sebetsang sa phenol hydroxyl, e le mofani oa hydrogen, se tlama ho sehlopha sa mahala sa mafura a mafura, se sitisa mokhoa oa ho it?oara ka mafura a mafura, kahoo se thibela ho thehoa ha hydroperoxide. Ka nako e ts'oanang, tee ea polyphenols e qhibilihang ka mafura e ka chelate ka likarolo tsa t?epe tse feto-fetohang ka har'a oli, e le hore e lahleheloe ke ts'ebetso e matla le ho felisa karabelo ea ketane ea mahala ho tsoa mohloling. Ho phaella moo, sehlopha sa phenol hydroxyl ka boeona se na le oxidized habonolo, e fokotsang oksijene ka har'a oli le ho liehisa oxidation ea oli.

3.Nts'etsopele ea lijo tse sebetsang

Li-polyphenols tsa tee li bonts'a bokhoni bo boholo ho nts'etsopele ea lijo tse sebetsang, 'me sebopeho sa eona se ikhethang sa lik'hemik'hale se etsa qeto ea hore se na le matla a matla a ho tlosa li-radicals tsa mahala. Li-polyphenols tsa tee li na le bokhoni bo fokolang ba REDOX, sehlopha sa polyo-phenol hydroxyl se ka fana ka hydrogen ho sitisa kapa ho felisa karabelo ea ketane ea mahala, 'me sebopeho sa eona se ikhethang sa lik'hemik'hale se etsa qeto ea hore se na le matla a matla a ho tlosa li-radicals tsa mahala. Tea polyphenols e ka kenya t?ebetsong sistimi ea scavenging ea li-radicals tsa mahala, mme ea thibela tlhahiso ea li-radicals tsa mahala ka ho thibela li-ion tsa t?epe tse bakang oxidation tsa sistimi ea oxidase. Joalo ka sekhomaretsi sa tlhaho sa mahala, polyphenols ea tee e molemo bakeng sa ho boloka bophelo bo botle ba batho. Le hoja Chaena e sa ntse e le mocha t?imong ena, e na le menyetla e pharaletseng ea tsoelo-pele ea nako e tlang.

4.Kopo ea ho boloka lihlahisoa tsa nama le lihlahisoa tsa metsing

Libaktheria tse tloaelehileng tsa pathogenic lihlahisoa tsa nama ke pseudomonas, Enterobacter, staphylococcus le salmonella, 'me libaktheria tse ka sehloohong tse bakang ho senyeha ha lihlahisoa tsa metsing ke libaktheria tsa pseudomonas. Tee polyphenols e ka thibela ka katleho ho ikatisa ha mefuta e fapaneng ea libaktheria, ea liehisa oxidation ea mafura, ea liehisa ho senyeha, ka hona, ea eketsa bocha ba lihlahisoa tsa nama le lihlahisoa tsa metsing.

Lilemong tsa morao tjena, li-polyphenols tsa tee ka nama ea kolobe, ea khomo, ea nku le ea nama le mefuta e fapaneng ea lilae tsa tlhapi, surimi, libolo tsa tlhapi le li-shrimp le lihlahisoa tse ling tsa metsing li tlalehiloe ka ho latellana, ke moemeli ea loketseng oa tlhaho oa ho boloka bocha. Palo e kholo ea liphuputso li bont?itse hore e phahameng ea mahloriso ea tee polyphenol ho boloka tharollo, ho molemo ho thibela phello ho likokoana-hloko tsa lihlahisoa tsa nama le lihlahisoa tsa metsing, empa tee ea polyphenols e tla ba le liphello tse mpe ho maikutlo a kutlo ea nama, ho fella ka 'mala oa nama. Tee polyphenols e ka thibela kholo ea mefuta e mengata ea libaktheria, empa mokhoa oa eona ha o hlake.

5.Kopo ea ho boloka litholoana le meroho

Taolo e ntle ea tahlehelo ea metsi ea pathological e bakoang ke likokoana-hloko tse kotsi ho senya litholoana; Tee polyphenols e na le phello e phahameng ea antioxidant, e ka liehisang t?enyo ea oxidative ea litholoana le meroho, ea laola t?ebetso ea polyphenol oxidase, 'me ea kenya ts'ebetso ea ts'ireletso ea litholoana le meroho. Ka nako e ts'oanang, limolek'hule tsa tee tsa polyphenol li na le lihlopha tse 'maloa tse sebetsang tsa phenolic hydroxyl, tse ka fanang ka hydrogen ka ho toba limolek'hule ho vithamine C ka litholoana le meroho, e le hore e ka boloka boemo bo fokotsehileng le ho fokotsa tahlehelo ea vithamine C.

Motsoako o tlase oa tee ea polyphenols e fafalitsoeng kapa e koahetsoeng holim'a litholoana le meroho e ncha e ka thibela ho ikatisa ha baktheria le ho lelefatsa bophelo bo bocha ba litholoana le meroho. Mokhoa oa ho boloka bocha o rarahane, 'me lintlha tse ka sehloohong li fapane le mefuta e fapaneng ea litholoana le meroho. Ntle le moo, li-polyphenols tsa tee li ka liehisa nako ea litholoana le meroho kamora ho butsoa, ????hobane e na le phello e fokotsang ts'ebetsong ea biochemical ea litholoana le meroho. Leha ho le joalo, mokhoa oa ho boloka tee oa polyphenols bakeng sa litholoana le meroho e fapaneng ha o t?oane, 'me litekanyetso tse hlokahalang le maemo a t?ebeliso ea lintho tse fapaneng li fapane, tse hlokang lipatlisiso tse eketsehileng.

T?ebeliso ea tee ea polyphenols meriana

1, anti-oxidation le anti-radiation

Ka lebaka la sebopeho sa eona se ikhethang sa lik'hemik'hale, li-polyphenols tsa tee li na le matla a matla a antioxidant, a fetang hōle li-antioxidants tse tloaelehileng tse kang VC, VE le li-antioxidants tsa maiketsetso BHT, BHA joalo-joalo. Ntle le moo, tee ea polyphenols e ka boela ea tlosa li-radicals tsa mahala tse kotsi, tsa ntlafatsa ts'ireletso ea 'mele,' me li-derivatives tsa catechin li ka fokotsa chefo ea lit?epe tse boima 'meleng oa motho le phello e khahlanong le mahlaseli a kotsi, kahoo e boetse e tsejoa e le "radiation busters".

2.Hemostatic mosebetsi

Tea polyphenols e na le mesebetsi ea antioxidant le antibacterial, kahoo e ka thibela khatello ea oxidative le ho ikatisa ha baktheria sebakeng sa leqeba, e khothalletsa ho thehoa ha methapo ea mali ka in vitro le deposit ea collagen, e kenya t?ebetsong lisele tse khubelu tsa mali le li-neutrophils, 'me ka potlako li khaotse ho tsoa mali. Liprotheine, mabaka a ho kopanya, liplatelete le fibrin sebakeng sa leqeba li kopana le tee ea polyphenols ho hlahisa likarolo tsa coagulation le ho potlakisa pholiso ea maqeba.

3.Kalafo ea Antitumor

Li-polyphenols tsa tee, haholo-holo li-catechin derivatives, li na le litlamorao tse khahlanong le phetoho le li-anti-mofets'e, tse ka sitisang le ho thibela ts'ebetso ea lipid peroxidation, ho boloka le ho ntlafatsa ts'ebetso ea enzyme 'meleng oa motho, le ho bonts'a litlamorao tse ntle ho thibelo le kalafo ea adjuvant ea mofets'e oa mala, mofets'e oa mala le mafu a mang.

4, fokotsa lipids maling, thibela atherosclerosis

Tea polyphenols ka haholo thibela ho eketseha ha k'holeseterole dikahare plasma le sebete, ba le phello ea ho khothalletsa excretion ea lipid metsoako mantleng, eseng feela ka thibela atherosclerosis, empa hape ba le phello ea boima ba 'mele. Har'a tsona, EGCG le li-catechin tse ling li laola metabolism ea lipid ka ho thibela ho kenngoa ha limatlafatsi ka mpeng ea mala, ho laola ho thehoa ha lisele tsa mafura le lipids, ho laola limela tsa mala, le ho ntlafatsa ho hanyetsa insulin.

5. Thibelo ea lefu la pelo

Tea polyphenols e na le litlamorao tse ntle tsa thibelo le kalafo ho mafu a pelo le methapo, haholo-holo ho thibela atherosclerosis e bakoang ke k'holeseterole e phahameng le litaba tsa triglyceride. Ntle le moo, tee ea polyphenols e ka thusa ho boloka le ho theola khatello ea mali le ho laola metabolism ea tsoekere ho theola maemo a tsoekere ea mali.

6.Anti-oxidation le anti-botsofali

Tee polyphenols e ka tlosa li-radicals tsa mahala tse feteletseng 'meleng oa motho le ho liehisa botsofali ba' mele oa motho. Ts'ebetso ea antioxidant ea tee ea polyphenols e matla ho feta VE, 'me e betere ha e kopantsoe le VC le VE.

Thibelo ea 7.Caries

Ho ipakile hore tee ea polyphenols e ka thibela ka matla libaktheria tsa cariogenic mme ea fokotsa haholo letlapa le index ea periodontal.

8.Antibacterial le antiviral

Li-polyphenols li ka potlakisa protheine ea lisele, tsa denaturate le ho tima protheine ea sele. Ho sebelisa molao-motheo oa antibacterial le antiviral tee polyphenols, li-catechin li 'nile tsa sebelisoa li-air conditioner linaheng tse ling. EGCG ho TPs e ka tlama lera la lipid la baktheria mme ea ama folate metabolism ea baktheria ka ho thibela cytoplasmic enzyme dihydrofolate reductase, ka hona ho fihlela sepheo sa antibacterial.