Antioxidants tiv thaiv peb cov cell

Dawb radicals yog lub hauv paus ntawm ntau yam teeb meem kev noj qab haus huv. Lawv tawm tsam peb cov hlwb thiab tuaj yeem ua rau lawv tsis ua haujlwm. Nyeem tam sim no uas cov tshuaj antioxidants muab kev tiv thaiv tshwj xeeb thiab cov khoom noj twg muaj lawv!

Dawb radicals tua cov hlwb thiab antioxidants tiv thaiv lawv

Cov dawb radicals yog cov molecules uas muaj cov pa oxygen uas muaj kev phom sij tsis ruaj khov vim tias lawv tsis muaj hluav taws xob hauv lawv cov qauv tshuaj. Koj ua tsis tiav. Yog li ntawd lawv nrhiav ib qho piv txwv ntawm electron los ua tag nrho.

Hauv qhov kev tshawb nrhiav no rau tus khub tsim nyog, cov dawb radicals yog qhov tsis zoo thiab, qhov tseem ceeb tshaj, nrawm heev. Thaum muaj cov dawb radical tsim, nws yuav siv sij hawm cov ntaub ntawv tawg 10-11 vib nas this (0.00000000001 vib nas this) los tua cov neeg raug tsim txom.

Nws aggressively snatches lub electron nws xav tau los ntawm qhov zoo tshaj plaws molecule tom ntej no (xws li molecules ntawm cell membrane, proteins, los yog DNA). Qhov kev nyiag hluav taws xob no hu ua oxidation. Txij li thaum oxidation - sai li sai tau thaum nws dhau qhov kev zam txim - tso ib qho kev mob rau lub cev, nws raug xa mus rau oxidative kev nyuaj siab.

Dawb radicals thiab lawv lub txim rau lub cev

Lub molecule raug nyiag lawm tam sim no ploj lawm ib tug electron. Yog li tam sim no nws dhau los ua ib qho dawb radical nws tus kheej thiab mus nrhiav tus neeg raug tsim txom los ntawm leej twg nws tuaj yeem nyiag tau hluav taws xob.

Nyob rau hauv no txoj kev, ib tug txaus ntshai saw cov tshuaj tiv thaiv yog teem nyob rau hauv tsab ntawv tsa suab. Cov ntau ntau ntawm cov dawb radicals tuaj yeem ua rau suav tsis txheeb cov tshuaj tiv thaiv kab mob, uas tuaj yeem ua rau muaj kev ntxhov siab oxidative siab thiab yog li ua rau muaj kev puas tsuaj loj hauv lub cev hauv qab no:

• Txwv tsis pub ua haujlwm ntawm tes lossis cell tuag vim kev puas tsuaj ntawm daim nyias nyias
• DNA kev puas tsuaj uas ua rau tsis muaj kev tswj hwm ntawm tes faib (kev loj hlob ntawm qog noj ntshav)
• inactivation ntawm enzymes
• Txo qhov tsim ntawm endogenous proteins
• Kev puas tsuaj ntawm cov receptors ntawm lub xovtooj ntawm tes: Receptors yog cov proteins tshwj xeeb ntawm lub xovtooj ntawm tes, uas - raws li lub xauv thiab lub hauv paus ntsiab lus tseem ceeb - tsim cov tshuaj hormones, enzymes, lossis lwm yam khoom tuaj yeem ntsaws. Qhov no docking xa ib lub teeb liab tshwj xeeb rau ntawm tes. Piv txwv li, cov cell muaj receptors rau cov tshuaj hormone insulin. Thaum cov tshuaj insulin khi rau cov receptors no, lub xovtooj ntawm tes tau txais cov teeb liab coj cov piam thaj. Lub hauv paus ntsiab lus ntawm lub xauv-thiab-qhov tseem ceeb yog zoo li ib hom kev cai uas tau npaj los xyuas kom meej tias tsuas yog qee yam khoom tuaj yeem khi rau cov neeg txais kev sib raug zoo thiab tsuas yog "tso cai" cov khoom thauj mus rau hauv lub hlwb. Cov tshuaj (xws li co toxins) uas tsis muaj "tus yuam sij" raug txwv tsis pub nkag mus rau lub hlwb. Dawb radicals tuaj yeem rhuav tshem cov receptors thiab yog li tiv thaiv cov teeb liab sib kis. Yog hais tias, piv txwv li, cov receptors rau insulin raug rhuav tshem, lub xov tooj ntawm tes tsis tau txais cov piam thaj ntxiv lawm, piv txwv li tsis muaj roj ntxiv, thiab tuag.
  Antioxidants yog tsim nyog vim hais tias dawb radicals ua phem rau lub cev
  Dawb radicals ua rau peb lub cev puas tsuaj ntau. Yog tias koj paub koj tus kheej thiab koj cov teeb meem hauv cov npe hauv qab no, koj yuav tsum sim noj kom zoo dua.

Antioxidants tiv thaiv daim tawv nqaij

Tshwj xeeb, qhov kev puas tsuaj no tshwm sim los ntawm cov dawb radicals manifests nws tus kheej, piv txwv li, nyob rau hauv wrinkled thiab grey daim tawv nqaij uas tsis muaj elasticity, nyob rau hauv venous qaug zog, thiab varicose leeg, vim dawb radicals kuj ua rau cov hlab ntsha. Cov yav tas kuj tuaj yeem tshwm sim nws tus kheej hauv ntshav siab thiab lwm yam teeb meem plawv.

Antioxidants tiv thaiv qhov muag

Yog tias cov hlab ntsha zoo ntawm lub qhov muag raug cuam tshuam, cov tsos mob ntawm degeneration thiab txo qhov muag tshwm sim muaj.

Antioxidants tiv thaiv lub hlwb

Yog tias cov dawb radicals tawm tsam cov hlab ntsha hauv hlwb, sai lossis tom qab qhov no tuaj yeem ua rau mob stroke. Yog tias cov hlab ntsha hauv lub hlwb yog lub hom phiaj ntawm kev tawm tsam, qhov no cuam tshuam rau kev puas siab puas ntsws thiab tuaj yeem txhawb kev dementia.

Antioxidants tiv thaiv cov pob txha mos

Dawb radicals tuaj yeem tua cov collagen hauv pob txha mos thiab cuam tshuam rau nws cov qauv molecular, uas tuaj yeem ua rau muaj teeb meem sib koom ua ke xws li mob caj dab.

Antioxidants tuaj yeem tiv thaiv qog noj ntshav

Yog tias DNA ntawm cov hlwb puas los ntawm cov dawb radicals, qhov no tuaj yeem ua rau hu ua cell degeneration. Yog hais tias lub cev tus kheej mechanisms, uas yuav tsum tau kaw lub misguided cell, ua tsis tau tejyam, lub cell yuav multiply thiab qog nqaij hlav cancer. Kuj nyeem: Vitamins tiv thaiv mob qog noj ntshav. Antioxidants tau pom los tiv thaiv qog noj ntshav hauv txoj kev tshawb no (5Trusted Source ).

Qhov kev xaiv me me ntawm qhov ua kom puas tsuaj ntawm cov dawb radicals qhia tau hais tias yuav tsis muaj ib daim duab kho mob uas cov dawb radicals TSIS koom nrog hauv kev tsim.

Antioxidants yog cov pab hauv kev xav tau siab heev

Tsuas yog ib qho antioxidant (tseem hu ua dawb radical scavenger) tuaj yeem cuam tshuam cov kab mob ntawm cov dawb radicals thiab yog li tiv thaiv kev puas tsuaj ntawm tes.

Yog li ua ntej cov dawb radicals txeeb ib qho hluav taws xob los ntawm lub cell membrane los yog los ntawm ib qho tseem ceeb hauv lub cev proteins, cov antioxidants nkag mus rau hauv thiab yeem pub dawb ib qho ntawm lawv cov hluav taws xob rau cov dawb radical. Yog li antioxidants pub lawv cov electrons yooj yim dua li cov cell membrane lossis DNA ua.

Ua li no, lub cev hlwb tseem tiv thaiv thaum muaj cov antioxidants txaus.

Ib qho antioxidant ua kom lub cev lub hlwb tiv thaiv los ntawm kev tawm tsam dawb radical nyob rau hauv ob txoj kev:

Antioxidants pub dawb electrons yeem los tiv thaiv cov hlwb.

Antioxidants lawv tus kheej yeej tsis dhau los ua dawb radical los yog - tom qab lawv tau muab ib qho hluav taws xob - raug coj rov qab los rau hauv lawv daim ntawv antioxidant tam sim ntawd thiab yog li xyuas kom meej qhov kawg ntawm cov tshuaj tiv thaiv kab mob txaus ntshai. Piv txwv li, yog tias cov tshuaj tiv thaiv antioxidant vitamin E tau inactivated ib tug radical, nws yuav ib ntus los ua ib tug dawb radical nws tus kheej, lub thiaj li hu ua vitamin E radical. Txawm li cas los xij, qhov no tsis tuaj yeem muaj qhov tsis zoo, vim nws tam sim ntawd rov qab los rau nws daim ntawv qub los ntawm vitamin C kom nws tuaj yeem ua ib qho antioxidant. Qhov kev rov tsim dua tshiab ntawm cov vitamin E radical no yog ib txoj haujlwm tseem ceeb tshaj plaws ntawm vitamin C.
Dawb radicals thiab antioxidants nyob rau hauv prehistoric lub sij hawm
Dawb radicals tau txais qhov phem rap thiab zoo li tsis muaj dab tsi peb yuav tsum tsom mus rau ntau tshaj li tshem tawm lawv.

Qhov tseeb, txawm li cas los xij, cov dawb radicals tau muaj nyob ntev (lossis ntev dua) raws li tau muaj sia nyob hauv ntiaj teb. Tsiaj txhu thiab nroj tsuag tau ntev txij li thaum tsim ib tug xov tooj ntawm radical scavenger lub tswv yim thaum peb cov poj koob yawm txwv tseem swinging ntawm ceg mus rau ceg roaring. Thaum lub sij hawm ntawd tsis tas yuav tsum ua kom nquag plias thiab nco ntsoov saib xyuas cov dawb radicals.

• Ua ntej, tsis muaj ze li ntawm ntau qhov kev pheej hmoo rov qab los uas tuaj yeem ua rau cov tiam ntawm cov dawb radicals tsis muaj nuj nqis li niaj hnub no (saib hauv qab no rau cov xwm txheej pheej hmoo),
• Qhov thib ob, txoj kev ua neej muaj kev noj qab haus huv ntau dua (tsawg dua kev ntxhov siab, kev tawm dag zog, kev tshav ntuj ntau, thiab lwm yam) thiab
• Thib peb, kev noj haus tau muab cov tshuaj antioxidants ntau heev, kom muaj peev xwm ntau dhau ntawm cov dawb radicals raug cuam tshuam nrog tsis muaj sijhawm.

Dawb radicals thiab antioxidants nyob rau niaj hnub no

Niaj hnub no qhov xwm txheej txawv heev. Cov neeg haus luam yeeb, haus dej haus cawv, noj zaub mov tsis zoo, nyob hauv kev sib txuam nrog cov tsheb thauj mus los ntau thiab cov pa hluav taws xob zoo sib xws, yog - nws zoo li - cuam tshuam rau cov hluav taws xob hluav taws xob txhua txhua 25 xyoo, thiab noj tshuaj los tiv thaiv txawm tias qhov tsawg tshaj plaws tingle.

Raws li kev kwv yees kwv yees, txhua ib ntawm peb 100 trillion lub cev hlwb tam sim no raug tawm tsam los ntawm ntau txhiab dawb radicals txhua hnub. Yog li ntawd, ntau cov tshuaj tua kab mob antioxidant yog tsim nyog los muab cov tub rog "radical" rau hauv nws qhov chaw.

Hmoov tsis zoo, niaj hnub no peb tsis tsuas yog raug rau ntau thiab ntau dawb radicals, tab sis tib lub sij hawm indulge nyob rau hauv kev noj haus uas muaj tsawg thiab tsawg antioxidants thiab, vim lawv cov teeb meem, lub nra rau lub cev nrog ntxiv dawb radicals.

Antioxidants hauv kev noj haus

Txawm hais tias niaj hnub noj zaub mov raws li cov nplej, mis nyuj, thiab nqaij muab cov as-ham, protein, carbohydrates, thiab rog nyob rau hauv ntau, antioxidants muaj tsawg thiab deb ntawm. Yog li ntawd, tib neeg tau dhau los ua buxomer thiab buxomer, tab sis tib lub sijhawm muaj mob ntau dua. Nws twb tau pom ntawm no tias cov mis nyuj cuam tshuam cov tshuaj antioxidant ntawm cov txiv hmab txiv ntoo.

Dab tsi uas ploj lawm yog kev xaiv nplua nuj ntawm ntau yam zaub thiab qoob loo, txiv hmab txiv ntoo thiab cov nroj tsuag qus, cov roj ntsha thiab cov rog, nrog rau cov noob txiv roj thiab txiv ntoo. Tag nrho cov khoom noj no yog qhov zoo tshaj plaws thiab nplua nuj ntawm cov khoom muaj txiaj ntsig antioxidants. Kev noj zaub mov raws li cov zaub mov organic, yog li ntawd, tiv thaiv kab mob thiab kev laus ntxov ntxov.

Dawb radicals kuj yuav pab tau

Txawm li cas los xij, cov dawb radicals tsis yog ib txwm ua phem. Raws li feem ntau cov ntaub ntawv, qhov ntau ua rau qhov sib txawv ntawm qhov zoo thiab qhov tsis zoo.

Qhov no yog li cas peb lub cev tsim tawm ntau dawb radicals nws tus kheej thaum ua haujlwm txhua hnub:

Dawb radicals hauv cellular ua pa

Peb cov hlwb tas li xav tau oxygen los tsim lub zog. Dawb radicals kuj tsim los ntawm cov khoom lag luam - qhov ntau dua, lub zog ntau dua hauv lub cev.

Kev tsim hluav taws xob hloov pauv raws li qhov xav tau. Piv txwv li, nws nce hauv cov xwm txheej ntxhov siab, thaum kis las, lossis thaum koj mob. Yog li ntawd, ia peb yam no ua rau muaj cov dawb radicals ib txwm muaj.

Dawb radicals tuaj yeem rhuav tshem cov kab mob thiab kab mob

Tsis tas li ntawd, cov dawb radicals tsis tsuas yog tsim los ntawm cov khoom ntawm qee lub cev ua haujlwm. Lawv yog tsim los ntawm peb lub cev - ntau precisely los ntawm peb lub cev tiv thaiv kab mob - rau ib tug tshwj xeeb lub hom phiaj.

Cov dawb radicals tuaj yeem tsis tsuas yog tua cov kab mob hauv lub cev xwb tab sis kuj tseem tuaj yeem ua kom puas cov kab mob xws li cov kab mob hnyav lossis cov kab mob lossis tiv thaiv cov txheej txheem mob hnyav. Yog li qhov no yog qhov chaw dawb radicals xav tau thiab muaj txiaj ntsig.

Dab tsi yog antioxidants muaj?

Dab tsi yog thawj yam uas los rau hauv koj lub siab thaum koj hnov ​​lo lus "antioxidants"? Vitamin C? Vitamin C yog antioxidant. Qhov ntawd yog lawm. Txawm li cas los xij, nws cov teebmeem antioxidant tsis yog yuav luag dhau los vim nws lub koob npe nrov tuaj yeem ua rau koj ntseeg.

Piv txwv li, ib lub txiv apples muaj 10 milligrams ntawm vitamin C, tab sis nws cov nyhuv antioxidant ntau dua. Nws yog qhov loj heev uas yog tias cov nyhuv antioxidant tuaj ntawm cov vitamin C ib leeg, nws yuav tsum muaj 2,250 milligrams ntawm vitamin C, uas tsis yog li ntawd.

Thaj, txiv apples kuj muaj ib tug xov tooj ntawm lwm yam tshuaj uas muaj ntau zog antioxidant nyhuv tshaj vitamin C. Cov pab pawg neeg no zoo heev muaj xws li, piv txwv li, enzymes thiab polyphenols teej tug mus rau lwm yam nroj tsuag tshuaj (xws li flavonoids, anthocyanins, isoflavones, thiab lwm yam).

Tsib pawg loj ntawm cov tshuaj antioxidants zoo tshaj plaws yog

• vitamins
• minerals
• kab kawm
• enzymes
• Phytochemicals (tseem hu ua bioactive plant compounds los yog phytochemicals) yog tsim los ntawm cov nroj tsuag los yog txiv hmab txiv ntoo los tiv thaiv cov nroj tsuag los yog txiv hmab txiv ntoo los ntawm fungal attacks, kab, los yog UV hluav taws xob. Lwm cov phytochemicals nrog cov nyhuv antioxidant yog cov pigments hauv cov nroj tsuag, uas xim paj, nplooj, lossis txiv hmab txiv ntoo. Hauv tib neeg lub cev, cov nroj tsuag tshuaj antioxidants tuaj yeem pab ua kom noj qab haus huv thiab ceeb toom.