Zeaxanthin yog ib qho muaj zog antioxidant thiab ib qho ntawm cov carotenoids feem ntau pom nyob rau hauv qhov. Nws ua lub luag haujlwm tseem ceeb hauv kev tswj qhov muag kev noj qab haus huv los ntawm kev tiv thaiv lub qhov muag los ntawm teeb meem lub zog siab lub teeb tsis zoo li ultraviolet rays hauv tshav ntuj. Zeaxanthin yog ib txwm muaj nyob rau hauv ntau yam zaub thiab txiv hmab txiv ntoo, tshwj xeeb tshaj yog cov uas muaj xim ci zoo li pob kws, saffron, thiab peppers.
Zeaxanthin yog dab tsi?
Zeaxanthin yog cawv carotenoid uas ua lub luag haujlwm tseem ceeb hauv tib neeg kev noj qab haus huv, tshwj xeeb tshaj yog nyob rau hauv lub zeem muag. Carotenoids yog pigmented as-ham ua lub luag haujlwm rau xim liab, daj, thiab txiv kab ntxwv hauv ntau cov txiv hmab txiv ntoo thiab zaub. Zeaxanthin, nrog rau lutein, feem ntau pom nyob rau hauv retina ntawm lub qhov muag, tshwj xeeb tshaj yog nyob rau hauv lub macula. Qhov no ua rau nws tseem ceeb heev rau kev tiv thaiv lub qhov muag los ntawm kev puas tsuaj ntawm lub teeb xiav thiab oxidative kev nyuaj siab.
Zeaxanthin Cov txiaj ntsig
Cov txiaj ntsig ntawm zeaxanthin txuas ntxiv tshaj qhov muag kev noj qab haus huv:
Zeaxanthin pab lim teeb xiav teeb pom kev zoo thiab muab kev tiv thaiv antioxidant rau lub qhov muag, txo qhov kev pheej hmoo ntawm macular degeneration thiab lwm yam teeb meem ntawm retinal.
Raws li ib tug muaj zog antioxidant, zeaxanthin neutralizes dawb radicals nyob rau hauv lub cev, uas yuav txo tau txoj kev pheej hmoo ntawm mob o thiab oxidative kev nyuaj siab kab mob.
Cov kev tshawb fawb tshiab qhia tias zeaxanthin tuaj yeem txhawb kev paub txog kev noj qab haus huv thiab txo qis kev pheej hmoo ntawm cov kab mob neurodegenerative.
Zeaxanthin cov tshuaj tiv thaiv kab mob tuaj yeem ua rau muaj kev noj qab haus huv ntawm cov hlab plawv zoo dua los ntawm kev txo qis kev pheej hmoo ntawm kev mob ntev thiab mob plawv.
Zeaxanthin Side Effects
Zeaxanthin feem ntau suav hais tias muaj kev nyab xeeb rau cov neeg feem coob thaum noj cov khoom noj uas muaj nyob hauv cov zaub mov lossis ua cov khoom noj ntxiv. Txawm li cas los xij, tsawg zaus, qee tus neeg yuav muaj kev phiv me me xws li:
- Mob plab
- Ntshai
- Daim tawv nqaij discoloration (nyob rau hauv cov koob tshuaj ntau heev)
Nws yog ib qho tseem ceeb uas yuav tsum tau ua raws li cov lus pom zoo thiab sab laj nrog tus kws kho mob ua ntej pib cov txheej txheem ntxiv tshiab.
Zeaxanthin thiab Lutein yog dab tsi?
Zeaxanthin thiab lutein feem ntau hais ua ke vim lawv lub luag haujlwm zoo sib xws hauv qhov muag kev noj qab haus huv. Ob leeg yog carotenoids uas nyob rau hauv lub retina thiab tseem ceeb heev rau kev tiv thaiv lub qhov muag tiv thaiv teeb meem teeb meem thiab oxidative kev nyuaj siab. Thaum lawv muaj cov qauv zoo sib xws, lawv muaj cov haujlwm sib txawv hauv lub cev:
- Zeaxanthin: Feem ntau pom nyob rau hauv nruab nrab macula, zeaxanthin muaj txiaj ntsig zoo ntawm kev lim dej xiav thiab tiv thaiv macula los ntawm kev puas tsuaj los ntawm lub teeb.
- Lutein: Pom ntau nyob rau hauv lub peripheral retina, lutein ntxiv zeaxanthin los ntawm kev tiv thaiv lub qhov muag los ntawm oxidative kev nyuaj siab thiab txhawb tag nrho cov pom kev ua tau zoo.
Zeaxanthin yog dab tsi?
Zeaxanthin yog synthesized lawm nyob rau hauv cov nroj tsuag, algae, thiab tej yam kab mob. Nws yog muab los ntawm beta-carotene, lwm carotenoid, los ntawm cov txheej txheem ntawm cov tshuaj tiv thaiv enzymatic. Kev lag luam, zeaxanthin tuaj yeem muab rho tawm los ntawm cov khoom siv ntuj xws li paj marigold los yog tsim cov khoom siv hauv chav kuaj.
Zeaxanthin pom nyob rau hauv dab tsi?
Zeaxanthin muaj ntau nyob rau hauv ntau yam txiv hmab txiv ntoo thiab zaub, tshwj xeeb tshaj yog cov xim ci. Qee qhov chaw noj zaub mov zoo ntawm zeaxanthin suav nrog:
- Pob kws
- Saffron
- Txiv kab ntxwv thiab daj peppers
- Kale
- spinach
- Broccoli
- Qe yolks
Nrog rau cov zaub mov no hauv koj cov zaub mov tuaj yeem pab xyuas kom muaj cov zeaxanthin txaus rau kev tswj qhov muag thiab kev noj qab haus huv tag nrho.
Zeaxanthin tau txais los ntawm dab tsi?
Kev lag luam, zeaxanthin feem ntau muab tau los ntawm cov paj marigold (Tagetes erecta), uas yog nplua nuj nyob rau hauv carotenoid no. Cov paj tau txais cov txheej txheem ntawm kev rho tawm thiab ua kom huv kom tau txais cov khoom zoo zeaxanthin. Synthetic zeaxanthin kuj muaj, uas yog tsim los ntawm cov tshuaj synthesis nyob rau hauv lub chaw soj nstuam tswj.
Zeaxanthin Isomers yog dab tsi?
Isomers yog cov tebchaw nrog tib cov qauv molecular tab sis cov qauv sib txawv. Zeaxanthin muaj ntau yam isomers, suav nrog:
- All-trans-zeaxanthin: Daim ntawv ntau tshaj plaws pom nyob rau hauv qhov.
- Cis-zeaxanthin: Tsis tshua muaj tab sis kuj tshwm sim, nrog me ntsis txawv zog thiab bioavailability.
Ob leeg isomers ua lub luag haujlwm hauv kev tswj qhov muag kev noj qab haus huv thiab tuaj yeem pom hauv ntau qhov chaw noj zaub mov thiab tshuaj ntxiv.
Zeaxanthin Dipalmitate siv rau dab tsi?
Zeaxanthin dipalmitate yog ib daim ntawv tshwj xeeb esterified ntawm zeaxanthin, uas ruaj khov dua thiab muaj bioavailability zoo dua piv rau nws daim ntawv dawb. Cov tshuaj no yog siv rau hauv cov khoom noj khoom haus los txhim kho qhov nqus thiab ua tau zoo ntawm zeaxanthin. Nws yog qhov tshwj xeeb tshaj yog rau cov neeg uas tab tom nrhiav txhim kho lawv qhov muag kev noj qab haus huv thiab tiv thaiv cov kab mob macular degeneration.
Zeaxanthin Lutein Supplement yog dab tsi?
Ib qho zeaxanthin lutein ntxiv ua ke ob qho tib si carotenoids los muab kev txhawb nqa rau qhov muag kev noj qab haus huv. Cov tshuaj no yog tsim los muab cov txiaj ntsig ntawm ob qho tib si zeaxanthin thiab lutein, txhim kho kev tiv thaiv lub teeb xiav, txhim kho qhov muag pom kev, thiab txo qis kev pheej hmoo ntawm hnub nyoog txog kab mob qhov muag. Tiv tauj peb kom kuaj dawb los sim peb cov tshuaj zeaxanthin lutein zoo.
Puas yog Zeaxanthin muaj vitamin A?
Zeaxanthin nws tus kheej tsis muaj vitamin A, tab sis nws belongs rau tsev neeg carotenoid, uas suav nrog cov tebchaw uas tuaj yeem hloov mus ua vitamin A hauv lub cev, xws li beta-carotene. Txawm hais tias zeaxanthin thiab lutein tsis yog precursors rau vitamin A, lawv ua hauj lwm synergistically nrog rau lwm cov carotenoids los txhawb tag nrho lub qhov muag noj qab haus huv.
FAQ
Qhov pom zoo noj txhua hnub ntawm zeaxanthin txawv nyob ntawm tus neeg xav tau kev pab thiab kev noj qab haus huv. Feem ntau, koob tshuaj ntawm 2-10 mg ib hnub yog suav tias muaj kev nyab xeeb thiab siv tau rau tib neeg feem coob.
Thaum nws tuaj yeem tau txais zeaxanthin los ntawm kev noj zaub mov uas muaj txiv hmab txiv ntoo thiab zaub, ntau tus neeg tuaj yeem tau txais txiaj ntsig los ntawm cov tshuaj ntxiv kom ntseeg tau tias lawv tau txais cov nyiaj txaus rau kev noj qab haus huv qhov muag.
Zeaxanthin feem ntau muaj kev nyab xeeb thiab tsis paub txog kev cuam tshuam nrog cov tshuaj. Txawm li cas los xij, nws yog qhov zoo tshaj plaws los sab laj nrog ib tus kws kho mob ua ntej pib cov tshuaj ntxiv.
Zeaxanthin pab tiv thaiv lub qhov muag los ntawm kev puas tsuaj thiab txhawb kev noj qab haus huv tag nrho. Txawm hais tias nws tsis tuaj yeem txhim kho qhov muag ncaj qha, nws tuaj yeem tiv thaiv lossis ua kom qeeb ntawm qhov pom kev cuam tshuam txog kev pom.
Yog lawm, zeaxanthin muab tau los ntawm cov nroj tsuag xws li paj marigold yog tsim rau cov neeg tsis noj nqaij thiab vegans.
Zeaxanthin yog ib qho tseem ceeb ntawm kev noj qab haus huv ntawm qhov muag thiab tiv thaiv ntau yam kab mob. Nws cov txiaj ntsig txuas ntxiv dhau qhov pom, muab kev tiv thaiv oxidative kev nyuaj siab, txhawb lub hlwb ua haujlwm, thiab txhawb lub plawv noj qab haus huv. Xws li cov zaub mov nplua nuj zeaxanthin hauv koj cov zaub mov lossis kev noj tshuaj tuaj yeem pab koj ua tiav kev noj qab haus huv. Tiv tauj peb kom kuaj dawb kom paub txog cov txiaj ntsig ntawm peb cov khoom zoo zeaxanthin.
Cov ntaub ntawv
- Smith, W., Asselbergs, FW, & de Jong, PTVM (2001). Macular Pigment Density thiab Age-Related Maculopathy hauv Cov Neeg Laus European. Archives ntawm Ophthalmology, 119(9), 1371-1376.
- Landrum, JT, Bone, RA, Joa, H., Kilburn, MD, Moore, LL, & Sprague, KE (1997). Kev tshawb fawb ib xyoos ntawm cov xim macular: Cov nyhuv ntawm 140 hnub ntawm kev ntxiv lutein. Experimental Eye Research, 65(1), 57-62.
- Mares-Perlman, JA, Fisher, AI, Klein, R., Palta, M., Block, G., Millen, AE, & Wright, JD (2001). Lutein thiab Zeaxanthin hauv Kev Noj Qab Haus Huv thiab Ntshav Qab Zib thiab Lawv Kev Sib Raug Zoo rau Hnub Nyoog Txog Maculopathy hauv Peb Lub Tebchaws Kev Noj Qab Haus Huv thiab Kev Noj Qab Haus Huv Kev Tshawb Fawb. American Journal of Epidemiology, 153(5), 424-432.
- Bovier, ER, & Hammond, BR (2015). Cov teebmeem ntawm kev cuam tshuam ntawm lutein thiab zeaxanthin ntawm kev paub txog kev ua haujlwm: Ib qho randomized, ob npaug-masked, placebo-tswj sim ntawm cov neeg laus noj qab haus huv. Nutritional Neuroscience, 18(9), 383-392.
- Richer, S., Stiles, W., Statkute, L., Pulido, J., Frankowski, J., Rudy, D., ... & Nyland, J. (2004). Muab ob npaug rau-masked, placebo-tswj, randomized sim ntawm lutein thiab antioxidant supplementation nyob rau hauv kev cuam tshuam ntawm atrophic hnub nyoog-txog macular degeneration: cov qub tub rog txoj kev tshawb no (Lutein Antioxidant Supplementation Trial). Optometry-Journal of the American Optometric Association, 75(4), 216-229.
