Abantu abaninzi bayazazi izibonelelo ezinokusizisela izityalo kunye namayeza endalo. Nangona amayeza emveli engaze atshintshwe ngokupheleleyo, sinokuwanceda kunye neziqu zethu. Teas, umzekelo, ziqulathe izinto ezininzi eziluncedo zemixube yezityalo emzimbeni wethu. Iti eluhlaza ibalasele ngaphezu kwako konke ngenxa yeziphumo zayo zonyango ngenxa yekatekini.
Awazi ukuba zintoni iikatekini? Ezi zii-antioxidants eziveliswa zizityalo ezibonelela ngezibonelelo ezininzi emzimbeni wethu. Ukuba ufuna ukwazi ngakumbi ngezi zinto zendalo, ndincoma ukuba uqhubeke ufunda. Siza kuthetha malunga nokuba ziyintoni, izibonelelo zabo ngeti eluhlaza kunye nefuthe labo kumhlaza.
Zintoni iikatekini?
I-polyphenolic antioxidant ivela kwizityalo, oko kukuthi, uhlobo lwe-antioxidant olwenziwe endaweni yalo yipolyphenols, ebizwa ngokuba yicatechin. Ngaphakathi kwemifuno, iikatekini zivela njengemetabolite yesibini. Zonke ezi zinto ziveliswa zizityalo, ifungi okanye ibacteria ebandakanyeka ngqo kuphuhliso lwazo, ukuvelisa kwakhona okanye ukukhula zii-metabolites eziphambili, ngelixa ezizisekondari zingathathi nxaxheba ngqo kwezi nkqubo.
Igama elithi "katekin" lisetyenziswa ukubhekisa kwiqela elincinci le-falvan-3-ols okanye i-flavanols kunye nosapho lwe-flavonoids, zonke ezizezimbini zeemetabolites zezityalo. Ngokumalunga negama, livela kwijusi ekhishwe kwifayile ye- IMimosa catechua, eyeyosapho ikatechu.
Iikatekini zikwiti eluhlaza
Zininzi izinto zezityalo ezisetyenziswa rhoqo kwiitayi ngenxa yezibonelelo zazo ezininzi kunye nezixa ezikhulu zezondlo. Ngokukodwa, iti eluhlaza ineepolyphenols ezininzi ezineziphumo ezahlukileyo ezahlukeneyo. Olu hlobo lokungeniswa luhlala lune-30% yezi khompawundi ngokobunzima, phakathi kwayo inani eliphezulu lekati elibizwa i-EGCG okanye i-epigallocatechin gallate.
Kwiti eluhlaza, le yenye yezona zinto zibalulekileyo nezifundwayo ukuze kunyangwe izifo ezahlukeneyo. Ngesi sizathu, olu hlobo lokumiliselwa luthathwa ngokuba lunamayeza. Ukongeza, iti eluhlaza inexabiso elincinci lezimbiwa ezibaluleke ngokulinganayo empilweni. Nangona abanye abantu bekhetha ukusela iti yabo exutywe nobisi, oku akunakuba ngumbono olungileyo. Kukho izifundo ezibonisa ukuba ubisi lunokunciphisa iziphumo ze-antioxidants ezinje ngeekatekini.
Izinzuzo
Iikatekini zibonelela ngezibonelelo ezahlukeneyo zomzimba kunye nempilo yethu. Ngesi sizathu, kuyacetyiswa ukuba usele iti eluhlaza rhoqo. Phakathi kwezibonelelo ezininzi ezibonelelwa zezi antioxidants zendalo, kukunciphisa ukwenziwa kweeradicals zasimahla emzimbeni, ngaloo ndlela kukhuselwa iimolekyuli kunye neeseli. Iiradicals zasimahla zibandakanyeka kuzo zonke iintlobo zezifo nakwiminyaka. Ziyanceda ukulwa nomhlaza kunye nokunciphisa ukudumba.
ICatechins vs. Umhlaza
Xa kukho ukukhula okungaphaya kokungalawulekiyo kweeseli, isifo esoyikekayo siyavela: umhlaza. Namhlanje sesinye sezizathu eziphambili zokufa kwabantu kwihlabathi liphela. Emva kweminyaka eliqela yophando kunye nophando, kuyaziwa ukuba umonakalo we-oxidative unceda ukukhula kwesi sifo. Ke ngoko, ii-antioxidants ezinje ngeekatekini zinokuba nefuthe lokhuselo. Umthombo olunge kakhulu wokusebenzisa ezi zinto yiti eluhlaza.
Kukho izifundo ezininzi zokujonga nabantu abasele iti eluhlaza kunye nabanye abangakhange bayenze. Ezi zibonise ukuba abo bakudlayo oku kufakwa rhoqo kunqabile ukuba baphuhlise iintlobo ezithile zomhlaza ezinokuba zibi kakhulu. Nangona kunjalo, kufuneka kwenziwe uphando kunye nophando olungakumbi ukumisela oku ngokuchanekileyo. Phakathi kweziphumo ezifunyenweyo zezi zilandelayo:
- Umhlaza webele: Kwaqhutywa uhlalutyo lweemeta lwezifundo eziqwalaselweyo ezifumanise ukuba abasetyhini ababedla ngokusela iti eluhlaza banciphisa umngcipheko wokuba nomhlaza wamabele phakathi kwama-20% nama-30%. Kufuneka kuqatshelwe ukuba olu hlobo lomhlaza lolona luqhelekileyo kubantu basetyhini.
- I-Prostate: Emadodeni iziphumo zaziphezulu kakhulu. Uphononongo lufumanise ukuba abo basela iti eluhlaza rhoqo bebengaphantsi ngama-48% amathuba okuba yokufumana umhlaza wedlala lobudoda. Njengokuba umhlaza webele uxhaphakile kwabasetyhini, le yeyona ixhaphakileyo emadodeni.
- Umhlaza womzimba: Kukho uhlalutyo olugubungela inani lezifundo ezingama-29 ezinxulumene neti eluhlaza kunye nesifo somhlaza. Oku kubonisa ukuba abantu abasele oku kungeniswa Ukunciphisa umngcipheko womhlaza obomvu nge-42%.
Nangona izibonelelo zekatechins zininzi, Akufanele siyeke ukutyelela ugqirha kunye nokufumana ukuhlolwa rhoqo. Ukuthatha ezi antioxidants ngeti eluhlaza, umzekelo, kungasinceda ukuthintela iingxaki, kodwa azizukusinyanga okanye zisigonyole.