Dawb radicals yog tsis ruaj tsis khov haum molecules uas yuav ua rau lub hlwb nyob hauv koj lub cev puas. Lawv tsim thaum lub atoms lossis molecules nce lossis poob electrons. Lawv feem ntau tshwm sim los ntawm kev coj noj coj ua. Piv txwv, thaum koj lub cev siv cov pa oxygen, nws tsim cov dawb radicals ua ib yam khoom los ntawm cov khoom thiab kev puas tsuaj los ntawm cov dawb radicals yog hu ua 'oxidative kev nyuab siab.'
Tab sis koj cov metabolism tsis yog tib qhov ua txhaum. Koj tuaj yeem tuaj yeem raug dawb radicals uas yog los ntawm ntau qhov chaw xws li hluav taws xob, tshuaj tua kab, tshuaj tua kab, cov kuab tshuaj, luam yeeb thiab lwm yam pa.
Yog Vim Li Cas Tsis Muaj Dab Tsi?
Thaum koj yau thiab noj qab nyob zoo, koj lub cev ua haujlwm zoo txog kev ua haujlwm nrog cov dawb radicals no, thiab koj tsis tau pom txhua yam. Tab sis, yog tias koj tsis noj txoj cai, haus luam yeeb, los yog raug ntau qhov chaw ntawm cov dawb radicals, koj yuav muaj kev puas tsuaj rau cellular thiab organ damage. Huag, thiab kev laus yuav siv nws cov xov tooj ntawm koj dawb radical defence system dhau.
Dawb radicals hlwb lub sij hawm, yog li ntawd nws thiaj li txawm hloov hauv cov hlwb uas yog tsis mus ua haujlwm heev li nws yuav tsum. Piv txwv, cov ntaub so ntswg hu ua collagen tau qaug zog nrog dawb radical raug, thiab vim li ntawd, koj cov tawv nqaij tau ntau dua wrinkles. Tsis tas li ntawd, cov phab ntsa ntawm koj cov hlab ntsha tuaj yeem tuaj yeem raug puas tsuaj, thiab cov cholesterol plaques tsim, uas yuav txo cov ntshav txaus rau koj lub plawv, hlwb, thiab lwm yam hauv lub cev, lossis ua rau cov ntshav txhaws.
Vim tias muaj kev puas tsuaj, ntau cov radical dawb raug cuam tshuam nrog kev pheej hmoo siab ntawm ntau cov kab mob ntev, xws li kab mob hauv lub plawv thiab qee yam mob cancer. Obviously, nws yog ib lub tswv yim zoo heev kom tsis txhob muaj nyiaj ntau tshaj ntawm cov dawb radicals.
Ntawd Npog Chemistry thiab Kev Noj Qab Haus Huv, Vim Li Cas Khoom Noj Yuav Tau Ua Dab Tsi?
Noj cov zaub mov zoo noj, tshwj xeeb cov txiv hmab txiv ntoo uas muaj yeeb yuj, thiab veggies tuaj yeem pab tiv thaiv qee qhov dawb radical puas.
Cov khoom noj xws li vitamin C, beta-carotene, selenium thiab vitamin E yuav pab tiv thaiv los yog txo qhov kev puas tsuaj los ntawm cov dawb radicals, yog li ntawd lawv raug hu ua antioxidants. Cov kev pabcuam no muaj nyob rau hauv ntau yam khoom noj, tab sis lawv siab tshaj plaws nyob rau hauv cov nroj tsuag. Yog li ntawd tej zaum yuav yog ib qho laj thawj vim li cas noj zaub mov ntau tus txiv hmab txiv ntoo thiab zaub thiaj li tseem ceeb rau koj txoj kev noj qab haus huv.
Xwb, kev tshawb fawb qhia tias noj mov noj cov tshuaj antioxidants siab muaj kev noj qab haus huv dua. Tau kawg, muaj lwm yam txheej xwm seb vim li cas cov tib neeg uas muaj cov tshuaj antioxidants siab yuav zoo dua. Piv txwv, cov tib neeg uas noj zaub mov kuj zoo nkaus li ua rau lawv lub cev muaj zog thiab feem ntau yuav ua kom muaj caloric kom tsawg.
Ua Dietary Pab Tiv Thaiv Sib Sib Haum Dawb?
Muaj ntau ntau cov tshuaj noj uas thov tias yog antioxidants vim tias lawv nyob ntawm cov as-ham lossis cov nroj tsuag kua uas tau ua rau muaj cov tshuaj tua kab mob hauv kev sim. Tab sis, txawm hais tias noj zaub mov nplua nuj nyob rau hauv antioxidants zoo nkaus li zoo, noj tshuaj antioxidant tsis zoo li kev pab tib yam, tsuas yog thaum tsis tshua muaj tshwm sim. Zoo li ua ke ntawm lutein, zeaxanthin, thiab lwm yam kev pab cuam uas ua rau qeeb tau tus mob ntawm cov macular degeneration, uas yog qhov ua rau cov neeg dig muag ua rau cov neeg laus laus.
Txawm hais tias cov tshuaj antioxidant feem ntau pom tias muaj kev ruaj ntseg, qee qhov kev tshawb nrhiav tshawb pom hais tias kev noj cov tshuaj antioxidant tuaj yeem ua mob ntau dua qhov zoo, uas tsis yog yam koj xav tau yog tias koj tab tom sim los yog noj qab nyob zoo. Yog li, ntau dua li siv nyiaj ntawm kev noj haus cov tshuaj noj, koj yuav zoo dua yog tias yuav ntau dua cov txiv hmab txiv ntoo, zaub, thiab lwm cov zaub mov zoo noj.
> Qhov chaw:
> Broadhead GK, Grigg JR, Tseeb AA, McCluskey P. "Kev Kho Kho Daws Teeb thiab Kev Pab Ntxiv rau Kev Kho Mob Txog Cov Hnub Nyog Muaj Teeb Meem Kev Tsim Nyog." Nutr Rev. 2015 Jul; 73 (7): 448-62.
> Harvard TH Chan Lub Tsev Kawm Ntawv ntawm Kev Noj Qab Haus Huv, Cov Khoom Noj Khoom Haus. "Antioxidants: Tshaj Hype."
> Lobo, V. li al. "Dawb Radicals, Antioxidants thiab Functional Foods: Impact rau Human Health." Pharmacognosy xyuas 4.8 (2010): 118-126.
> Koom Haum Cancer National. "Antioxidants thiab Cancer Prevention."