teapolyphenols (TPs) izwi rakajairwa repolyhydroxyphenolic komisheni mutii, kusanganisira flavanols (catechins), flavandiols, flavonoids uye phenolic acids. Makatechini ikirasi yezvinhu zvakakosha mutii polyphenols, inoverengera inosvika 60% kusvika 80% yehuwandu hwetii polyphenols. Iwo anonyanya kuve ne8 monomers, anosanganisira epigallocatechin gallate, epigallocatechin, gallocatechin, epicatechin gallate, epicatechin gallate, katechin gallate, epicatechin gallate, epicatechin gallate, epicatechin gallate, epicatechin gallate, epicatechin gallate, epicatechin gallate.

Mukuita kwekugadzira tii, polyphenol oxidase uye peroxidase oxidize makatechini kuti awane thearubin, theaflavin uye theaflavin matatu tii pigments. Aya maTP haangope tei kuravira kwayo kwakaoma uye ruvara, asi zvakare inobatsira hutano hwevanhu.

Nhasi, pavanenge vachitsvaga kusimudzira hupfumi hwemhando yepamusoro, vanhu vanofungawo kusimudzira kwegirinhi uye kudzokorodza. Tea polyphenols ine antioxidant, antibacterial, anticancer uye anti-obesity zviitiko, saka vaongorori vakazvishandisa mukurapa uye chikafu.

Mumushonga, vatsvakurudzi vari kushandisa nzira dzekuendesa kudzivirira zvinodhaka zviri nyore uye kuvandudza bioavailability yavo; Mukuwedzera, tii polyphenols inosanganiswa nemapuroteni uye polysaccharides kugadzira zvigadzirwa zvitsva zvezuva uye zvinodhaka, izvo zvinoshandiswa pakuchengetedza ganda, anti-allergies, anti-pathogen, kuchengetedza utano hwemukanwa uye kugadzirisa lipid metabolism.

Mumunda wekutsvagisa chikafu, tii polyphenols inonyanya kusanganiswa nemapolysaccharides, mapuroteni, nezvimwewo, kuburikidza nekudyidzana kwemamorekuru kuvandudza kunaka kwekunzwa kwechikafu, kurebesa nguva yekuchengetera chikafu, uye kugadzira zvinhu zvekurongedza chikafu. Zvichienderana neizvi, takakurukura nezve tsvakiridzo yetii polyphenols mumunda wechikafu nemushonga, kuitira kuti tipe referensi yekutsvagisa kwakadzama kwetii polyphenols muchikafu nemushonga.

1.Physical uye chemikemikari zvinhu zveti polyphenols

Tea polyphenols inotorwa kubva mumashizha etii uye isanganiswa ye organic polyhydroxyl compounds, kusanganisira makatechini, anthocyanins, flavonols uye phenolic acids, nezvimwewo. Chinhu chikuru che antioxidant chikamu makatechini. Pakati pavo, epigallocatechin gallate inotora 50% kusvika 60%, epicatechin gallate inotora 15% kusvika 20%, epigallocatechin inotora 10% kusvika 15%, gallatechin inotora 6% kusvika 8% uye epicatechin inotora 4% kusvika 6%. Pamukamuri tembiricha, tii polyphenols ichiedza yero kana chiedza chegirini hupfu, astringent kuravira, yakasimba asidhi kuramba, yakagadzikana mupH 2 ~ 7; Tea polyphenols ine imwe hygroscopicity uye iri nyore kuchinja ruvara munzvimbo yealkaline.

2.Biological basa reti polyphenols

Tea polyphenols ine akasiyana biological zviitiko senge antioxidant, antibacterial uye anti-mutation, EGCG ndiyo yakanyanya kuwanda mumakatekini uye inotamba iyo huru antioxidant chiitiko. Chiitiko chebhayoloji chinobva kuboka rephenolic hydroxyl mutii polyphenols, inotamba zviitiko zvebiological zvakasiyana mumhando dzakasiyana dzechikafu. Aya akakosha mabasa anoita tii polyphenols kushandiswa zvakanyanya muchikafu.

Kushandiswa kwetii polyphenols muchikafu

1.Kuchengetedza kudya uye kuchengetedza

Tea polyphenols inogona kushandiswa zvakanyanya mukuchengetedza chikafu uye kuchengetedza, iyo isiri-chepfu mhedzisiro uye inodyika kuchengetedza maitiro inoita kuti ive sarudzo yakanaka. Inogona kudzivirira kudya oxidation discoloration, kunatsiridza kugadzikana kwe cellulose, uye kuchengetedza chikafu chiri muchikafu.

2.Replace synthetic antioxidants

Nekutarisisa kwakabhadharwa kune kuchengetedzwa kwechikafu, tii polyphenols zvishoma nezvishoma iri kutsiva artificial antioxidants seyakasikwa antioxidants. Haikwanise kungoshandiswa mumafuta emhuka nemiriwo, zvigadzirwa zvenyama, zvigadzirwa zvemumvura, michero nemiriwo yekudya, nezvimwewo, asi zvakare inogona kushandiswa mumakeke, zvihwitsi uye zvichingodaro. Izvo zvakakosha kucherechedza kuti iyo antioxidant basa reti polyphenols yakatanga kushandiswa mumafuta uye mafuta chikafu. Nekuda kwekuita kwe phenol hydroxyl pabenzene mhete yekatekesi kuti ipe hydrogen, ine simba rekudzikisa kwakasimba uye inova yakanakira yakasikwa antioxidant yemafuta.

Iyo antioxidative mechanism yetii polyphenols ndeyokuti iyo inoshanda phenol hydroxyl boka, seye hydrogen donor, inosunga kuboka rakasununguka remafuta acids, inokanganisa chain reaction ye fatty acid oxidation, uye nokudaro inodzivisa kuumbwa kwehydroperoxide. Panguva imwecheteyo, mafuta-soluble tii polyphenols anogona chelate ane trace inosiyana simbi zvinhu muoiri, zvekuti inorasikirwa necatalytic chiitiko uye kumisa mahara radical chain reaction kubva kunobva. Mukuwedzera, iyo phenol hydroxyl boka pachayo inogadziriswa nyore nyore, iyo inoderedza huwandu hweokisijeni mumafuta uye inononoka kusvibiswa kwemafuta.

3.Functional food development

Tea polyphenols inoratidza kugona kukuru mukuvandudzwa kwechikafu chinoshanda, uye chimiro chayo chakasiyana chemakemikari chinotarisa kuti ine simba rakasimba rekubvisa mahara radicals. Tea polyphenols ine yakaderera REDOX inogona, polyo-phenol hydroxyl boka rinogona kupa hydrogen kuti ivhiringidze kana kumisa iyo yemahara radical chain reaction, uye yakasarudzika chimiro chemakemikari inoona kuti ine simba rakasimba rekubvisa mahara radicals. Tea polyphenols inogona kumisa iyo scavenging system yemahara radicals, uye inhibit kugadzirwa kwemahara radicals nekuvharisa oxidation-inducing shanduko yesimbi maion eiyo oxidase system. Sechisikigo chemahara radical scavenger, tii polyphenols inobatsira kuchengetedza hutano hwevanhu. Kunyangwe China ichiri mudiki mundima iyi, ine tarisiro yakakura yebudiriro yeramangwana.

4.Kushandisa mukuchengetedzwa kwezvigadzirwa zvenyama uye zvigadzirwa zvemvura

Mabhakitiriya epathogenic anowanzo muzvigadzirwa zvenyama ndeye pseudomonas, Enterobacter, staphylococcus uye salmonella, uye mabhakitiriya makuru anokonzera kuparara kwezvinhu zvemvura ndeye pseudomonas mabhakitiriya. Tea polyphenols inogona kunyatso kutadzisa kuberekana kweakasiyana mabhakitiriya, inonoke oxidation yemafuta, inonoke kuderera, nekudaro ichiwedzera hutsva hwezvigadzirwa zvenyama uye zvigadzirwa zvemumvura.

Mumakore achangopfuura, tii polyphenols munguruve, nyama yemombe, mutton uye zvimwe zvigadzirwa zvenyama uye akasiyana ehove zvimedu, surimi, mabhora ehove uye shrimp uye zvimwe zvigadzirwa zvemumvura zvakashumwa chimwe pashure pechimwe, yakanakira yepanyama inochengetedza mumiriri. Nhamba huru yezvidzidzo zvakaratidza kuti iyo yakanyanya kuwanda kwetii polyphenol kuchengetedza mhinduro, zviri nani inhibition inokonzeresa kune ma microorganisms ezvigadzirwa zvenyama uye zvigadzirwa zvemumvura, asi tii polyphenols ichava nemhedzisiro yakaipa pakuona kwekunzwa kwenyama, zvichikonzera ruvara rwenyama. Tea polyphenols inogona kutadzisa kukura kwemhando dzakawanda dzebhakitiriya, asi maitiro ayo haana kujeka.

5.Kushandisa mukuchengetedza michero nemiriwo

Kudzora kuri nani kwekurasikirwa kwemvura kwepathological kunokonzerwa nema microorganisms anokuvadza pakukuvara kwemichero; Tea polyphenols ine yakakwira antioxidant mhedzisiro, inogona kudzikamisa kukuvadzwa kweoxidative yemichero nemiriwo, kutonga basa re polyphenol oxidase, uye kumisa system yekudzivirira yemichero nemiriwo. Panguva imwecheteyo, tii polyphenol mamorekuru ane akati wandei anoshanda phenolic hydroxyl mapoka, ayo anogona kupa zvakananga hydrogen mumamorekuru kune vhitamini C mumichero nemiriwo, kuitira kuti ichengetedze yakaderedzwa mamiriro uye kuderedza kurasikirwa kwevhitamini C.

Iyo yakaderera yetii polyphenols yakapfapfaidzwa kana yakaputirwa pamusoro pemichero mitsva nemiriwo inogona kutadzisa kuberekana kwebhakitiriya uye kuwedzera hupenyu hutsva hwemichero nemiriwo. Iyo nyowani-yekuchengetedza michina yakaoma, uye iyo inotonga zvinhu zvakasiyana nemhando dzakasiyana dzemichero nemiriwo. Mukuwedzera, tii polyphenols inogonawo kunonoka nguva yekuibva kwemichero nemiriwo, nokuti ine inonotsa mhedzisiro pane biochemical chiitiko chemichero nemiriwo. Nekudaro, iyo nzira yekuchengetedza yetii polyphenols yemichero yakasiyana nemiriwo haina kufanana, uye inodiwa dosi uye kushandiswa kwemamiriro ezvinhu akasiyana zvakasiyana, izvo zvinodawo kumwe kutsvakurudza.

Kushandiswa kwetii polyphenols mumishonga

1, anti-oxidation uye anti-radiation

Nekuda kwechimiro chayo chakasarudzika chemakemikari, tii polyphenols ine yakasimba kwazvo antioxidant kugona, iyo yakawanda kupfuura yakajairika antioxidants seVC, VE uye artificial antioxidants BHT, BHA zvichingodaro. Uye zvakare, tii polyphenols inogona zvakare kubvisa inokuvadza mahara radicals, inosimudzira kudzivirirwa kwemuviri, uye macatechin derivatives anogona zvakare kuderedza huturu hwesimbi inorema pamuviri wemunhu uye anti-radiation athari, saka inozivikanwawo se "radiation busters".

2.Hemostatic basa

Tea polyphenols ine antioxidant uye antibacterial zviitiko, saka vanogona kutadzisa oxidative kusagadzikana uye kubereka kwebhakitiriya panzvimbo yeronda, kukurudzira kuumbwa kwemidziyo yeropa mu vitro uye dhipoziti ye collagen, activate masero matsvuku eropa uye neutrophils, uye nekukurumidza kumisa kubuda ropa. Mapuroteni, coagulation zvinhu, maplatelet uye fibrin panzvimbo yeronda zvinosanganiswa netii polyphenols kugadzira zvinhu zvekubatanidza uye kukurumidza kupora maronda.

3.Antitumor therapy

Tea polyphenols, kunyanya katechin derivatives, ine anti-mutation uye anti-cancer mhedzisiro, iyo inogona kutadzisa uye inhibit iyo lipid peroxidation process, kuchengetedza nekuvandudza basa re enzyme mumuviri wemunhu, uye kuratidza mhedzisiro yakanaka mukudzivirira uye adjuvant kurapwa kwekenza yemudumbu, kenza yemudumbu uye zvimwe zvirwere.

4, kuderedza ropa lipids, inhibit atherosclerosis

Tea polyphenols inogona kuvharidzira zvakanyanya kuwedzera kwecholesterol mu plasma uye chiropa, ine mhedzisiro yekusimudzira kubuda kwe lipid komisheni kubva mutsvina, kwete chete inogona kudzivirira atherosclerosis, asiwo ine mhedzisiro yekurema. Pakati pavo, EGCG nemamwe makatechini anogadzirisa lipid metabolism nekudzivisa kubatwa kwezvokudya mumatumbo emimba, kutonga kuumbwa kwemasero emafuta uye lipids, kugadzirisa maruva emukati, nekuvandudza insulini kuramba.

5.Kudzivirira chirwere chemwoyo

Tea polyphenols ine maitiro akanaka ekudzivirira uye ekurapa pazvirwere zvemoyo, kunyanya mukudzivirira kweatherosclerosis inokonzerwa nehigh cholesterol uye triglyceride content. Uye zvakare, tii polyphenols inogona zvakare kubatsira kuchengetedza uye kudzikisa BP uye kudzora shuga metabolism kuderedza mazinga ehuga.

6.Anti-oxidation uye anti-kuchembera

Tea polyphenols inogona kubvisa yakawandisa mahara radicals mumuviri wemunhu uye inonoke kuchembera kwemuviri wemunhu. Iyo antioxidant chiitiko cheti polyphenols yakasimba kupfuura VE, uye iri nani kana yakasanganiswa neVC uye VE.

7.Caries kudzivirira

Zvave zvichiratidzwa kuti tii polyphenols inogona kuvharisa cariogenic bacteria uye zvakanyanya kuderedza plaque uye periodontal index.

8.Antibacterial uye antiviral

Polyphenols inogona kukonzera sero protein, denaturate uye deactivate cell protein. Kushandisa musimboti weantibacterial uye antiviral tii polyphenols, makatechini akashandiswa mune mhepo conditioners kunze kwenyika. EGCG muTPs inogona kusunga kune lipid membrane yebhakitiriya uye inokanganisa folate metabolism yebhakitiriya nekudzivisa cytoplasmic enzyme dihydrofolate reductase, nokudaro kuzadzisa chinangwa cheantibacterial.