Peb lub cev raug txhua hnub pub dawb radicals - atoms lossis molecules, uas nws ua rau tuaj yeem ua rau tshwj xeeb yog qhov loj. Cov yam ntxwv ua rau lawv cov tsos yog ntau hom: raug rau tshav ntuj los yog X-rays, huab cua qias neeg vim luam yeeb los yog tsheb cov pa tsheb, thiab tsis yog tsawg kawg - kev tsis zoo. Tab sis kom nkag siab txog kev tiv thaiv koj lub cev los ntawm tag nrho cov no thiab tswj kom nws cov txiaj ntsim zoo, koj yuav tsum to taub lub ntsiab lus ntawm lub ntsiab lus ntawm cov tshuaj tiv thaiv antioxidants.
Cov radicals dawb yog feem ntau nyob rau hauv peb lub cev, thiab txawm tias lawv txhua tus tsuas yog ib feem me me ntawm qhov teeb meem, nrog rau cov neeg txuam loj heev lawv tuaj yeem ua rau raug mob, qhov tshwm sim uas yog kev tsis taus. Cov khoom no ua rau kev puas tsuaj rau ntawm lub cev ntawm DNA DNA, ua ib qho ntawm cov ua rau lub cev muaj hnub nyoog laus zuj zus. Lub xub ntiag ntawm cov dawb radicals ua rau kev loj hlob ntawm pulmonary, plawv thiab oncological kab mob. Nws yog assumed tias txhua lub xovtooj ntawm cov khoom tawm 10,000 dawb radicals ib hnub. Thiab cov antioxidants raug hu los nrog lawv sib ntaus. Cov neeg uas mob siab rau lub tswv yim ntawm antioxidants, nws cov ntawv qhia zaub mov muaj cov khoom nplua nuj hauv cov tshuaj no, muaj kev tiv thaiv zoo, xws li noj cov zaub mov zoo thiab cov khoom noj muaj txiaj ntsig zoo tshaj plaws yog qhov kev tiv thaiv zoo tshaj plaws tiv thaiv kev cuam tshuam ntawm kev phom sij phem.
Antioxidants - nws yog dab tsi?
Lawv yog pawg ntawm cov ntsiab lus uas tiv thaiv tib neeg lub hlwb los ntawm qhov tsis zoo ntawm cov dawb radicals, uas tuaj yeem ua rau peb lub cev tiv thaiv kab mob. Los ntawm cov tshuaj pom kev, tshuaj antioxidant yog cov khoom uas tiv thaiv qhov oxidation thiab kev loj hlob ntawm cov dawb radicals, tiv thaiv lawv los ntawm kev sib. Hauv kev paub ntau, antioxidants yog cov tshuaj uas yuav ncua lossis tiv thaiv oxidative puas rau cov kab mob lom.
Peb lub cev tau nws tus kheej cov txheej txheem antioxidants coenzyme Q10 thiab glutathione, uas tawm tsam qhov teebmeem ntawm cov dawb radicals. Hmoov tsis, nrog rau hnub nyoog, kev saws cov khoom noj tsis zoo thiab cov khoom noj tsis tshua pom tau tias yuav ua rau muaj qhov tsis zoo (haus luam yeeb, chad, tshuaj lom neeg cov khoom noj thiab dej), qhov ntau thiab cov txiaj ntsig ntawm cov tshuaj tiv thaiv antioxidants yuav tsis muaj feem cuam tshuam nrog kev ua haujlwm ntawm cov radicals.
Qhov no txhais tau hais tias tsuas yog ib yam nkaus xwb: nrog cov hnub nyoog noj, cov khoom noj uas muaj vitamin C thiab E, beta-carotene thiab selenium yog tsim nyog - cov no yog cov tshuaj tua kab mob zoo tshaj plaws uas tsis tas ua kom tsis muaj zog, tab sis kuj ua rau lub cev tsis muaj zog, ntxiv dag zog rau kev tiv thaiv kab mob virus, kab mob thiab tshuaj lom neeg.
Mechanism ntawm kev txiav txim ntawm antioxidants
Cov mechanisms tiv thaiv ntawm lub cev yuav muab faib ua peb theem:
- Thawj theem muaj tag nrho cov xwm txheej uas tiv thaiv kom tsis txhob tsim cov tshuaj dawb radicals. Lawv txhais cov suab nrov zoo li "tiv thaiv cov kab mob antioxidants" - hloov, ferritin, hemosiderin, lactoferin, albumin.
- Qhov thib ob thiab theem pib ntawm kev tiv thaiv nyob rau hauv lub cev kom paub qhov nrhiav thiab tshem tawm uas twb tau ua dawb radicals los yog radicals nrog tsawg reactivity. Qhov no yog ua los ntawm kev pab los ntawm cov tshuaj antioxidants - catalase, glutathione peroxidase thiab glutathione reductase.
- Qhov thib peb theem ntawm kev tiv thaiv yog cais los ntawm cov enzymes uas tau txais tau zoo los ntawm kev puas tsuaj los ntawm cov dawb radicals. Xws li kev ua tshwm sim hauv phospholipases A2, qee cov roj ntsha proteolytic, DNA txo enzymes, thiab lwm yam.
Daim ntawv teev cov tshuaj tua kab mob siab tshaj plaws:
1. Resveratrol
2. Lycopene
3. Pycnogenol
4. Akay Bury
5. Lactoferin
6. Alpha acid lipoic acid
7. Melatonin
8. Coenzyme Q10
9. Ginkgo Biloba
10. Spirulina
11. Blackberries
12. Cocoa
13. Raspberry
14. Blue-green algae
15. Cov txiv hmab txiv ntoo qhuav
16. Grapes
17. Pomegranate
18. Liab caw
Cov kev tshawb fawb tsis ntev los no tau qhia tias lawv cov kev ua tau zoo tuaj thaum ntau antioxidants siv ua ke. Nyob rau hauv qhov kev txuas no, lo lus nug tshwm sim: "Puas tsim nyog los tsim ib qho superantioxidant uas pab tiv thaiv txhua lub qe los ntawm degeneration?" Thiab cov lus teb yuav zoo. Qhov no yog vim hais tias tag nrho cov khoom xyaw no tuaj yeem ua ke kom tsim tau cov khoom uas yuav pab tau thaum:
- los sis tsis haus luam yeeb;
- txhua feem ntawm huab cua pa phem, tsheb cov pa tsheb, ua haujlwm hauv ib cheeb tsam nrog kev siab ceev ntawm cov tshuaj lom neeg, thiab lwm yam;
- ntau lub hnub ci;
- qhov tsis zoo ntawm lub congestion;
- kev pheej hmoo siab ntawm cov kab mob plawv, daim siab mob, cov kab mob sib kis thiab cov kab mob neoplastic;
- hauv thawj peb lub hlis cev xeeb tub kom txo tau txoj kev pheej hmoo ntawm qhov kev puas siab puas ntsws thiab kev tuag;
- kev tiv thaiv rau txhua tus uas xav kom qeeb txoj kev laus thiab ua kom lawv lub cev muaj kev noj qab nyob zoo txawm tias tom qab mus txog hnub nyoog 60 xyoo;
- tswj tus me nyuam, muaj zog, ywj siab thiab zoo dua saib daim tawv nqaij thiab txo cov wrinkles.
Txaus ntshai rau kev noj qab haus huv
Peb txhua tus paub hais tias noj cov khoom noj xws li blueberries, broccoli, pomegranates, citrus txiv hmab txiv ntoo, thiab noj cov kasfes thiab cov tshuaj yej ntsuab yog ib qho tseem ceeb heev thiab xav tau zoo rau kev noj zaub mov zoo. Tab sis tsis yog txhua yam ntawm peb xav tias qhov no tej zaum tsim ib qho kev txaus ntshai rau kev noj qab haus huv ntawm lub cev. Qhov no tsis yog tas li nrog tag nrho lub ntsiab lus ntawm lub tswvyim ntawm antioxidants, tab sis qhov no twb yog qhov tseeb qhov tseeb.
Txawm hais tias qhov ntxiv los ntawm cov tshuaj tua kab mob rau ntau yam khoom noj thiab dej haus tau pom zoo, kev tshawb fawb los ntawm cov kws tshawb fawb los ntawm University of Kansas qhia tias niaj hnub noj cov zaub mov uas muaj cov tshuaj antioxidants (xws li, vitamin C thiab E) tuaj yeem ua rau muaj kev piam sij thiab tsis hloov hauv cov hlwb pob txha ntawm tib neeg lub cev kuj ua tau kom mob qog thiab mob cancer.
Cov kws tshawb fawb tau pom hais tias yuav ua li cas nce ntawm cov pa oxygen rau lub hlwb cuam tshuam lawv txoj haujlwm. Nyob rau hauv lawv lub tswv yim, qhov kev tiv thaiv antioxidant yog qhov tsis tshua muaj siab thiab txawm tias txo qis me ntsis los yog nce rau hauv qhov tshuaj ntawm qhov khoom yuav muaj qhov tsis zoo thiab qhov tseem ceeb. Asmeskas cov kws txuj tshawb fawb hais tias ib qho kev tsis dhau cai ntawm antioxidants tuaj yeem ua rau mob xwb. Qhov no thaum pom thawj zaug yuav zoo li ruam, tab sis nws yog qhov tseeb. Ntev npaum li cas cov tshuaj muaj cov tshuaj antioxidant txo qhov lub cev muaj peev xwm xa cov pa oxygen rau cov hlwb thiab qhov no ua txhaum lub tswv yim tseem ceeb hauv tib neeg lub cev uas tsim nyog rau nws txoj haujlwm.
Tus sau phau ntawv ntawm kev sim ntseeg tias cov koob tshuaj antioxidants muaj feem xyuam rau cov kev ua ntawm qee cov enzymes koom hauv kev kho cov teeb meem nyob rau hauv DNA saw uas tshwm sim thaum lub caij faib. Txoj kev tshawb no tau pom zoo tias qhov pom tau tias cov koob tshuaj antioxidants loj tuaj yeem ua teeb meem hauv kev tshuaj ntsuam ntawm tes thiab tsim kev sib txawv. Rau nws qhov, cov teeb meem hauv cov khoom DNA tsis yog ib qho yuav tsum tau ua rau kev loj hlob ntawm cov qog, zoo li ntau cov qog nqaij hlav.
Yog li, ua ntej koj pib siv cov khoom noj uas muaj antioxidants, koj yuav tsum nco ntsoov tias lub cev yeej xav tau lawv. Thiab qhov no txhais tau hais tias nws yog yuav tsum tsis tsuas yog mus sab laj ib tus kws kho mob tshwj xeeb, tab sis kuj yuav tsum ua ib co kev soj ntsuam thiab kev tshawb fawb. Nyob rau lwm qhov, qhov tsis muaj cov antioxidants yog lub hauv paus tseem ceeb ntawm kev loj hlob ntawm cov kab mob kis thiab kis kab mob, ntxov ntxov, ntxiv zuj zus ntxiv ntawm kev loj hlob ntawm lub qhov muag ntawm lub qhov muag, xws li cataracts. Qhov no txhais tau hais tias nws yog ib qhov tsim nyog yuav tau nrhiav txoj cai seem kom yog qhov tseem ceeb tshaj plaws thiab zoo ib yam ntawm kev noj cov tshuaj antioxidants. Lawv ua ke nrog txoj kev noj qab nyob zoo yuav pab kom koj muaj peev xwm zoo txawm tias muaj hnub nyoog laus los.