Antioxidants yog cov tshuaj uas tiv thaiv ib tug neeg los ntawm cov ntaub ntawv ntawm cov pa, thiab cov dawb radicals. Lawv tau nkag rau hauv lub cev, feem ntau nrog zaub mov noj. Vim nws lub zog, nws yog ib qho ua tau mus nrhiav antioxidants hauv tshuaj pleev ib ce.
Qhov tseeb tias antioxidants muaj ib tug rejuvenating siv tsis tau pov thawj. Lawv theej tiv thaiv cov tshuaj pleev ib ce ntawm lawv tus kheej los ntawm cov pa oxidative hauv cov pa. Cov tshuaj antioxidants muaj cov kabmob loj thiab tsis tuaj yeem nkag hauv lub cev los ntawm daim tawv nqaij. Daim ntawv thov ncaj qha ntawm cov tshuaj ntawm cov tawv nqaij kuj tsis txwv txoj kev laus, vim lawv yuav tsum tau nkag rau hauv lub cev ntawm sab hauv.
Nws twb tau raug pov thawj tias antioxidants muaj ib tug zoo effect, txo qhov mob thiab tsim ib qho thaiv kom ultraviolet rays. Yog li, qhov zoo tshaj plaws uas txhais tau hais tias siv cov tshuaj no yog tom qab shave cream, tshav thaiv cov kab mob, cov khoom emollients uas siv rau daim tawv nqaij tom qab tev lawm.
Cov tshuaj tua kab mob siab tshaj plaws uas siv hauv tshuaj pleev ib ce yog: coenzyme Q10, selenium, vitamins xws li A, C, E, F, lipoic acid, carotenoids (lycopene thiab β-carotene), bioflavonoids.
Vitamin C (txwv tsis pub - ascorbic acid) - cov tshuaj antioxidant dissolves hauv dej. Nws muaj cov tshuaj pleev ib ce yog tsim los tiv thaiv cov tawv nqaij ntawm cov teebmeem ultraviolet lub teeb, ceev txog qhov kho txheej txheem ntawm lub qhov txhab, ua kom cov kua roj hmab ntau hauv cov tawv nqaij, ua rau cov laus qeeb qeeb.
Vitamin E (a-tocopherol) - yog yaj hauv cov nqaij. Lwm lub npe rau cov vitamin no yog vitamin rau cov hluas. Ib qho tseem ceeb tshaj plaws ntawm cov vitamin no yog cov nplej phom roj, uas feem ntau ntxiv rau cov tshuaj pleev ib ce. Muaj cov vitamin no hauv cov roj zaub, uas tau los ntawm txias zawm, nyob rau hauv cereal thiab sprouted nplej.
Carotenoids (lycopene, β-carotene, retinol, thiab lwm yam) kuj tawg rau cov rog. Cov tshuaj no ua kom zoo rau qhov kho ntawm qhov txhab, tiv thaiv daim tawv nqaij ntawm ultraviolet, tshem tawm lub plab thiab tawm ntawm daim tawv nqaij. Lawv muaj nyob hauv cov txiv kab ntxwv thiab liab pigments ntawm cov nroj tsuag. Lawv nplua nuj nyob rau hauv roj thiab roj rho tawm ntawm hiav txwv-buckthorn, carrots, dogrose, kuj muaj peev xwm pom nyob rau hauv xibtes roj.
Bioflavonoids (cog polyphenols), lawv lwm lub npe - phytoestrogens, vim lawv ua tau zoo ib yam li cov neeg estrogens, tsuas yog lawv cov noob qoob loo. Lawv muaj nyob rau hauv xiav, raws li tau zoo raws li ntsuab pigments ntawm nroj tsuag. Phytoestrogens ntawm ib hom qaub ncaug muaj peev xwm yuav luag pom muaj nyob rau hauv dej cia cov tshuaj ntsuab.
Superoxide dismutase (SOD)
Qhov no enzyme neutralizes active cov ntaub ntawv ntawm cov pa. Hauv kev pleev xim zoo nkauj, SODs ntawm cov nroj tsuag, tsiaj los yog keeb kwm microbial yog siv. Qhov no enzyme tuaj yeem pom muaj nyob rau hauv cov nroj tsuag nram qab no: ntsuab cov tshuaj yej, dab neeg tsis muaj zog, hiav txwv buckthorn, nees caj dab, ginkgo biloba, thiab lwm yam.
Coenzyme Q
Qhov no molecule pab tsim hluav taws xob hauv mitochondria (zog hlwb ntawm lub cell), muaj antioxidant zog, thiab tiv thaiv oxidative kev puas tsuaj rau lub mitochondria. Qhov no molecule yog ntxiv rau cov tshuaj pleev xim rau kev laus.
Vitamin F yog ib qho ua ke ntawm cov khoom uas tsis muaj roj (arachidonic, linoleic, linolenic), uas yog siv los ntawm cov khoom siv kom zoo nkauj uas yog npaj rau kev noj qab haus huv, tawv ntxuav, tshwj xeeb tshaj yog yog hais tias daim tawv nqaij khaus, qhuav, nrog rau kev pom tseeb. Ntawm cov concentration ntawm 3-7%, cov tshuaj vitamin no yuav pab ntxiv dag zog rau kev tiv thaiv kab mob ntawm cov epidermis, rov qab mus rau lub zog, thiab yog li ntawm daim tawv nqaij moistened, thiab nws cov elasticity nce.
Panthenol (vitamins B5) - muaj cov tshuaj tua tau cov nyhuv. Nws ntxiv rau cov nyiaj uas tsim los saib xyuas cov tawv nqaij thiab khaus khaus, nrog rau tom qab cov txheej txheem kho kom zoo nkauj. Nws tseem yog ib feem ntawm cov tshuaj zawv plaub hau thiab balms rau cov plaub hau, cov menyuam yaus thiab cov tshuaj pleev thaiv hnub, thiab lwm yam.
Selenium yog ib yam khoom tsim nyog rau kev ua hauj lwm ntawm glutathione peroxidase. Hauv cov tshuaj pleev ib ce feem ntau ntxiv cov dej thermal, uas muaj cov selenyum los yog complexes ntawm selenium nrog cysteine thiab methionine. Xws li cov kev kho kom zoo siab thiab moisturize ntawm daim tawv nqaij, tshem tawm irritation.