teapolyphenols (TPs) b? okwu n'ozuzu maka ogige polyhydroxyphenolic na tii, g?nyere flavanols (catechins), flavandiol, flavonoids na phenolic acid. Catechins b? klas nke ihe nd? d? mkpa na tii polyphenols, na-aza ihe d? ka 60% ruo 80% nke mkpok?ta tii polyphenols. Ha na-enwekar? monomers 8, g?nyere epigallocatechin gallate, epigallocatechin, gallocatechin, epicatechin gallate, epicatechin gallate, catechin gallate, epicatechin gallate, epicatechin gallate, epicatechin gallate, epicatechin gallate, epicatechin na epicatechin.

Na usoro nhazi tii, polyphenol oxidase na peroxidase oxidize catechins iji nweta thearubin, theaflavin na theaflavin at? pigmenti tii. Nd? TP nd? a ? b?gh? nan? na-enye tii ?t? ?t? na agba ya d? mgbagwoju anya, kamakwa ? na-erite uru ah?ike mmad?.

Taa, ka ha na-ach?so mmepe ak? na ?ba d? elu, nd? mmad? na-at?lekwa mmepe akw?kw? nd? akw?kw? nd? na imeghar? ihe. Tii polyphenols nwere antioxidant, antibacterial, anticancer na mgbochi oke ibu, ya mere nd? nch?p?ta ejirila ha na nkà mm?ta ?gw? na nri.

Na nkà mm?ta ?gw?, nd? nch?p?ta na-eji usoro nnyefe iji kpuchido ?gw? nd? nwere ike imebi ngwa ngwa ma melite bioavailability ha; T?kwas? na nke ah?, a na-ejik?ta polyphenols tii na protein na polysaccharides na-emep?ta ngwaah?a na ?gw? ?h?r? sunscreen, nke a na-eji maka nlek?ta an? ah?, mgbochi allergies, mgbochi ?r?a, ?n?gide na-enwe ah?ike ?n? na ?ch?kwa metabolism lipid.

N'ihe banyere nyocha ihe oriri, a na-ejik?ta polyphenols tii na polysaccharides, proteins, wdg, site na mmek?r?ta nke ?m? irighiri ihe iji meziwanye ?d?d? an? ah? nke nri, na-agbat? oge nchekwa nri, na-eme ihe oriri. Dabere na nke a, any? t?lere nyocha ngwa nke polyphenols tii na ngalaba nri na ?gw?, iji nye nt?le maka nyocha miri emi nke polyphenols tii na nri na ?gw?.

1.Physical na chemical Njirimara nke tii polyphenols

A na-enweta tii polyphenols site na akw?kw? tii ma b?r? ngwak?ta nke ogige polyhydroxyl organic, g?nyere catechins, anthocyanins, flavonols na phenolic acid, wdg. Isi ihe antioxidant b? catechins. N'ime ha, epigallocatechin gallate ruru 50% ruo 60%, epicatechin gallate ruru 15% ruo 20%, epigallocatechin ruru 10% ruo 15%, gallatechin ruru 6% ruo 8% na epicatechin ruru 4% ruo 6%. Na ?l? okpom?k?, tii polyphenols b? ìhè odo ma ? b? ìhè akw?kw? nd? akw?kw? nd? nt? nt?, astringent uto, siri ike acid na-eguzogide, kw?siri ike na pH 2 ~ 7; Tii polyphenols nwere ?f?d? hygroscopicity ma d? mfe ?gbanwe agba na mpaghara alkaline.

2.Biological ?r? nke tii polyphenols

Tii polyphenols nwere ?r? d? iche iche nke ndu d? ka antioxidant, antibacterial na mgbochi mm?ghar?, EGCG b? nke kachas? na catechins ma na-ar? ?r? antioxidant b? isi. ?r? ndu sitere na otu phenolic hydroxyl na tii polyphenols, nke na-ar? ?r? d? iche iche nke ndu na ?d? nri d? iche iche. ?r? nd? a p?r? iche na-eme polyphenols tii n'?t?t? ebe na nri.

Ngwa tii polyphenols na nri

1.Nri nchekwa na nchekwa

Enwere ike iji polyphenols tii mee ihe n'?t?t? ebe na nchekwa nri na nchekwa, mmet?ta ya na-ad?gh? egbu egbu na njirimara nchekwa oriri na-eme ka ? b?r? nh?r? d? mma. ? nwere ike igbochi ihe oriri oxidation discoloration, melite nkw?si ike nke cellulose, na-echebekwa nri na nri.

2. Dochie antioxidants s?ntetik

Site na nlebara anya na nchekwa nri, tii polyphenols na-eji nway?? nway?? dochie antioxidants artificial d? ka antioxidants eke. ? b?gh? naan? na a ga-eji ya na mman? an?man? na akw?kw? nri, ngwaah?a an?, ngwaah?a mmiri, mkp?r? osisi na ihe oriri, wdg, kamakwa enwere ike iji ya na pastry, swiiti na ihe nd? ?z?. ? d? mma ?mara na ?r? antioxidant nke tii polyphenols bu ?z? jiri ab?ba na nri mmanu mee ihe. N'ihi ?r? phenol hydroxyl na mgbanaka benzene nke catechins na-enye hydrogen, ? nwere ikike ibelata siri ike wee b?r? ezigbo antioxidant eke maka ab?ba.

Usoro antioxidative nke tii polyphenols b? na otu phenol hydroxyl na-ar? ?r?, d? ka onye na-enye hydrogen, na-ejik?ta ya na otu fatty acids n'efu, na-egbochi mmeghachi omume nke ab?ba acid oxidation, ma si otú a na-egbochi nhazi nke hydroperoxide. N'otu oge ah?, ab?ba-soluble tii polyphenols nwere ike chelate na Ch?p?ta agbanwe metal ?cha na mman?, nke mere na ? t?furu catalytic ?r? na chupu free radical yinye mmeghachi omume site na isi iyi. T?kwas? na nke ah?, ìgwè phenol hydroxyl n'onwe ya na-ad? mfe oxidized, nke na-ebelata ikuku oxygen na mman? ma na-egbu oge oxidation nke mman?.

3.Functional nri mmepe

Tii polyphenols na-egosi ikike d? ukwuu na mmepe nke nri na-ar? ?r?, na usoro kem?kal ya p?r? iche na-ekpebi na ? nwere ikike siri ike iwep? free radicals. Tii polyphenols nwere ikike REDOX d? ala, nd? otu polyo-phenol hydroxyl nwere ike inye hydrogen ka ? kw?s?t? ma ? b? kw?s? mmeghachi omume nke radical free, na usoro kem?kal? ya p?r? iche na-ekpebi na ? nwere ikike siri ike iwepu radicals n'efu. Tii polyphenols nwere ike mee ka usoro ihe nh?chas? nke free radicals r?? ?r?, ma gbochie mmep?ta nke free radicals site na igbochi ion metal oxidation nke na-eme ka ?kp?kp? gbanwee nke usoro oxidase. D? ka ihe na-eme ka ? b?r? onye na-eme ihe n'efu, polyphenols tii bara uru maka ?n?gide na-enwe ah?ike mmad?. ? b? ezie na China ka na-amalite na ngalaba a, o nwere at?manya buru ibu maka mmepe n'?d?nihu.

4.Ngwa na nchekwa nke ngwaah?a an? na ngwaah?a mmiri

Nje bacteria na-ebutekar? ?r?a an? b? pseudomonas, Enterobacter, staphylococcus na salmonella, na nje bacteria na-akpata mbibi nke ngwaah?a mmiri b? pseudomonas. Tii polyphenols nwere ike igbochi mmeputakwa nke nje bacteria d? iche iche, na-ebelata oxidation nke ab?ba, na-egbu oge mmebi ah?, si otú a na-agbat? ?d? ?h?r? nke ngwaah?a an? na ngwaah?a mmiri.

N'ime af? nd? na-ad?begh? anya, tii polyphenols na an? ezi, beef, mutton na ngwaah?a an? nd? ?z? na ?d? az? d? iche iche, surimi, b??l? az? na oporo na ngwaah?a mmiri nd? ?z? ka ak?p?tala n'otu n'otu, b? ezigbo onye na-edebe ihe ?h?r?. ?n? ?g?g? d? ukwuu nke ?m?m? egosiwo na elu ?ta nke tii polyphenol ngw?ta ngw?ta, mma inhibition mmet?ta na microorganisms nke an? ngwaah?a na aquatic ngwaah?a, ma tii polyphenols ga-enwe oghom mmet?ta na sensory ngh?ta nke an?, n'ihi na agba nke an?. Tii polyphenols nwere ike igbochi uto nke ?t?t? ?d? nje bacteria, mana usoro ya edogh? anya.

5.Ngwa na nchekwa mkp?r? osisi na akw?kw? nri

Mma akara nke pathological mmiri ?nw? mere site na-emer? microorganisms na mkp?r? mmebi; Tii polyphenols nwere mmet?ta antioxidant d? elu, nke nwere ike belata mmebi oxidative nke mkp?r? osisi na akw?kw? nri, na-ahazi ?r? polyphenol oxidase, ma mee ka usoro nchekwa mkp?r? osisi na akw?kw? nri r?? ?r?. N'otu oge ah?, tii polyphenol molecules nwere ?t?t? nd? na-ar? ?r? phenolic hydroxyl d? iche iche, nke nwere ike inye hydrogen n'ime ?m? irighiri vitamin C na mkp?r? osisi na akw?kw? nri, ka o wee nwee ike ?n?gide na-ebelata ma belata vitamin C.

Obere ntanye nke tii polyphenols fesa ma ? b? kpuchie n'elu mkp?r? osisi na akw?kw? nri ?h?r? nwere ike igbochi mmeputakwa nje ma gbasaa nd? ?h?r? nke mkp?r? osisi na akw?kw? nri. Usoro nke idebe ?h?r? d? mgbagwoju anya, na ihe nd? b? isi d? iche na ?d? mkp?r? osisi na akw?kw? nri d? iche iche. Na mgbakwunye, tii polyphenols nwekwara ike gbuo oge post-ripening nke mkp?r? osisi na akw?kw? nri, n'ihi na ? na-ebelata mmet?ta na biochemical ?r? nke mkp?r? osisi na akw?kw? nri. Otú ? d?, usoro nchekwa nke tii polyphenols maka mkp?r? osisi na akw?kw? nri d? iche iche ab?gh? otu, na usoro a ch?r? na iji ?n?d? ihe d? iche iche d? iche iche, nke ch?kwara nyocha ?z?.

Ngwa tii polyphenols na nkà mm?ta ?gw?

1, mgbochi oxidation na mgbochi radieshon

N'ihi usoro kem?kal? ya p?r? iche, tii polyphenols nwere ikike antioxidant siri ike, nke kar?r? kar?a antioxidants nk?t? d? ka VC, VE na antioxidants artificial BHT, BHA na nd? ?z?. T?kwas? na nke ah?, tii polyphenols nwekwara ike wep? ihe nd? na-emer? ah? na-emer? ah?, na-eme ka ah? d? ike, na ihe nd? na-emep?ta catechin nwekwara ike ibelata ns? nke ?la d? ar? na ah? mmad? na mmet?ta mgbochi radiation, ya mere a na-akp?kwa ya "radiation busters".

2.Hemostatic ?r?

Tii polyphenols nwere ?r? antioxidant na antibacterial, n'ihi ya, ha nwere ike igbochi nr?gide oxidative na mmep?ta nje na sa?t? ?nya, na-akwalite nhazi nke ar?a ?bara na vitro na ntinye nke collagen, na-eme ka mkp?r? nd? ?bara uhie na neutrophils r?? ?r?, ma kw?s? ngwa ngwa ?bara ?gb?gba. Protein, ihe na-akpata coagulation, platelet na fibrin n? n'ebe ?nya na-ejik?ta ya na tii polyphenols iji mep?ta ihe nd? na-emep?ta coagulation na ime ngwa ngwa ?gw?gw? ?nya.

3.Antitumor ?gw?gw?

Tii polyphenols, kar?s?a ihe nd? na-emep?ta catechin, nwere mmet?ta mgbochi-mgbanwe na mgbochi ?r?a cancer, nke nwere ike igbochi ma gbochie usoro peroxidation lipid, na-echekwa ma melite ?r? enzyme n'ime ah? mmad?, ma gosip?ta mmet?ta d? mma na mgbochi na ?gw?gw? adjuvant nke ?r?a cancer af?, ?r?a cancer eriri af? na ?r?a nd? ?z?.

4, belata lipids ?bara, na-egbochi atherosclerosis

Tii polyphenols nwere ike igbochi mm?ba nke ?d?naya cholesterol na plasma na imeju, na-enwe mmet?ta nke ?kwalite mkpochap? nke ogige lipid site na ns?, ? b?gh? naan? na ? nwere ike igbochi atherosclerosis, kamakwa ? nwere mmet?ta nke mbelata ibu. N'ime ha, EGCG na catechins nd? ?z? na-ach?kwa metabolism lipid site na igbochi nnabata nke nri na tract gastrointestinal, na-ach?kwa nhazi nke mkp?r? nd? ab?ba na lipids, na-ach?kwa ah?h?a eriri af?, na imeziwanye nguzogide insulin.

5.Mgbochi ?r?a obi

Tii polyphenols nwere mmet?ta mgbochi na ?gw?gw? d? mma na ?r?a obi, ?kachas? na mgbochi nke atherosclerosis nke cholesterol d? elu na ?d?naya triglyceride kpatara. Na mgbakwunye, tii polyphenols nwekwara ike inye aka ?n?gide na-enwe ma belata ?bara mgbali ma na-ach?kwa metabolism shuga iji belata ?kwa shuga d? n'?bara.

6.Anti-oxidation na mgbochi ?ka nká

Tii polyphenols nwere ike wepu radicals n'efu n'ime ah? mmad? wee belata ?ka nká nke ah? mmad?. ?r? antioxidant nke tii polyphenols siri ike kar?a VE, ? d?kwa mma mgbe ejik?tara ya na VC na VE.

7.Caries mgbochi

E gosiputara na tii polyphenols nwere ike igbochi nje bacteria nke cariogenic nke ukwuu ma na-ebelata akara ngosi na periodontal index.

8.Antibacterial na antiviral

Polyphenols nwere ike ?kpalite protein cell, denaturate na deactivate protein cell. N'iji ?kp?r? nke antibacterial na antiviral tii polyphenols, a na-eji catechins eme ihe na ikuku ikuku na mba ?z?. EGCG na TPs nwere ike jik?ta na akp?kp? an? lipid nke nje bacteria ma na-emet?ta folate metabolism nke nje bacteria site na igbochi cytoplasmic enzyme dihydrofolate reductase, si otú a na-enweta nzube nke antibacterial.