Cov kws tshaj lij hais tias nws yog qhov tseem ceeb tshwj xeeb rau txhua tus neeg niaj hnub ua kom lawv lub cev muaj zog nrog cov khoom xws li beta-carotene. Nws yog dab tsi? Nyeem rau.
YBeta-carotene - yog dab tsi?
"Elixir ntawm cov hluas", "qhov chaw ntawm lub neej ntev", "natural tiv thaiv riam phom" - cov npe no yog ib yam khoom tshwj xeeb. Nws hu ua beta-carotene. Nws yog dab tsi? Wb sim saib seb.
Cov kws tshawb fawb sau tseg: provitamin A lossis, hauv lwm lo lus, beta-carotene, E160a yog cov nroj tsuag xim xim daj-txiv kab ntxwv, belongs rau pawg carotenoids. Cov tshuaj no yog tsim thaum lub sij hawm photosynthesis. Mushrooms, algae thiab kab mob kuj tsim beta-carotene. Cov xim no hauv lub cev tuaj yeem hloov mus ua retinol (vitamin A).
YBeta-carotene: khoom
Txhawm rau txo cov txheej txheem kev laus hauv lub cev, txo qhov kev pheej hmoo ntawm kev tsim kab mob sib kis, ntxiv dag zog rau lub cev tiv thaiv kab mob, cov kws tshaj lij pom zoo kom noj zaub mov uas muaj beta-carotene. Dab tsi yog nws thiab nws txoj haujlwm yog dab tsi?
- Ua ntej, provitamin A yog qhov tseem ceeb rau kev loj hlob ntawm tes.
- Thib ob: beta-carotenerov pom kev pom.
- Thib peb: E160a tswj cov ntsia hlau zoo, plaub hau thiab tawv nqaij.
- Plaub: beta-carotene xav tau rau kev ua haujlwm tag nrho ntawm cov qog hws.
- Thib tsib: provitamin A cuam tshuam kev loj hlob ntawm embryo thaum cev xeeb tub.
- Rau: E160a ntxiv dag zog rau cov hniav enamel thiab pob txha.
Cov txiaj ntsig ntawm beta-carotene piv rau vitamin A
E160a muaj kev noj qab haus huv ntau dua li retinol li niaj zaus. Nws hloov tawm tias nrog kev noj ntau dhau ntawm cov vitamin A, cov tsos mob hauv qab no tau pom: xeev siab, ntuav, mob pob qij txha, khaus, mob plab, plab zom mov.
Beta-carotene tsis ua rau cov kev mob tshwm sim no. Qhov txiaj ntsig tseem ceeb ntawm E160a yog tias nws tsis muaj tshuaj lom thiab tsis ua rau muaj kev hem thawj rau tib neeg kev noj qab haus huv hauv ntau qhov ntau.
Provitamin A muaj peev xwm muab tso rau hauv lub depot (subcutaneous rog). Beta-carotene hloov mus rau hauv vitamin A nyob rau hauv cov nyiaj uas tsim nyog rau tib neeg lub cev ntawm ib theem ntawm nws ua hauj lwm.
YYuav ua li cas beta-carotene absorbed hauv lub cev
Cov vitamin saum toj no tau nqus hauv cov hnyuv. Lub assimilation ntawm beta-carotene nyob ntawm qhov zoo li qhov ua tiav ntawm kev tawg ntawm cell membranes. Cov kws tshawb fawb hais tias nws yog vim li no tias tag nrho cov carrots tau absorbed ntau dua, piv txwv li, zaub ntug hauv paus puree.
Ntxiv rau, cov kws tshaj lij tau sau tseg tias kev kho cua sov ntawm cov khoom ua rau kev puas tsuaj ntawm 30% ntawm cov vitamin no.
Beta-carotene, zoo li txhua yam carotenoids,hais txog fat-soluble vitamins. Qhov no txhais tau hais tias cov rog xav tau rau nws nqus. Yog li ntawd, cov kws kho mob pom zoo kom noj carrots nrog qaub cream los yog zaub roj.
Nws yuav tsum tau muab sau tseg tias provitamin A yog nrog los ntawm cov antioxidants tseem ceeb heev, xws li vitamin E thiab C. Lawv txhim kho ib leeg kev ua. Vitamin E kuj pab txhawb kom nqus tau zoo ntawm cov khoom saum toj no.
Provitamin A deficiency hauv tib neeg lub cev
Yog tias qhov tsis txaus ntawm E160a nkag mus rau hauv lub cev, cov teeb meem hauv qab no yuav tshwm sim:
- "kev tsis pom kev hmo ntuj" (thaum pom qhov tsis pom kev pom nyob rau hauv qhov kaj);
- liab ntawm daim tawv muag, dryness ntawm mucous daim nyias nyias ntawm lub qhov muag, dej hauv lub cev ntawm qhov muag pom thaum txias;
- tawv nqaij;
- Kevdandruff thiab faib xaus;
- cov nails brittle;
- nquag kis kab mob;
- Nyob rhiab ntawm cov hniav enamel.
Qhov laj thawj uas ua rau cov tsos mob saum toj no txawv. Qhov no feem ntau yog kev noj zaub mov tsis zoo. Qhov ntawd yog, cov khoom noj uas muaj cov roj tsawg thiab cov protein ntau yog siv hauv cov khoom noj.
Thib ob, yog vim li cas rau qhov tsis txaus ntawm cov vitamin no kuj yog ib qho teeb meem metabolic nrog kev siv ntau dhau ntawm E160a.
Ntxiv rau, ntau yam kab mob ntawm daim siab, txiav txiav thiab kab mob biliary tuaj yeem ua rau tsis muaj cov khoom siv saum toj no.
Txoj kev xav tau txhua hnub rau provitamin A
Nws paub tias lub cev ntawm txhua tus neeg txhua hnubKoj yuav tsum tau txais beta-carotene. Vitamin E160a yog qhov tseem ceeb thiab nws qhov xav tau txhua hnub yog li 5 mg.
Muaj qee pab pawg neeg uas nws yog thawj qhov tseem ceeb los muab lawv lub cev nrog cov khoom siv saum toj no:
- yog tias lawv nyob hauv thaj chaw tsis zoo;
- raug x-rays;
- cev xeeb tub thiab lub sijhawm lactation;
- yog tias koj noj tshuaj uas cuam tshuam nrog kev nqus cov rog.
Nws kuj tseem nthuav tias cov neeg nyob hauv huab cua txias xav tau beta-carotene tsawg dua li cov neeg nyob hauv cov huab cua kub.
Cov zaub mov twg muaj cov tshuaj provitamin A saum toj no
Nco ntsoov, cov nroj tsuag daj muaj cov ntsiab lus E160a qis tshaj, cov paj txiv kab ntxwv xim muaj qhov nruab nrab, thiab cov khoom ci liab muaj qhov siab tshaj plaws.
Beta-carotene hauv cov khoom muaj cov hauv qab no:
- hauv zaub (carrots, taub dag, spinach, zaub qhwv, zucchini, broccoli, qos yaj ywm, ntsuab peas);
- Yhauv txiv hmab txiv ntoo (melon, apricots, cherries, mangoes, plums, nectarines).
Carrot yog tus thawj coj ntawm tag nrho cov khoom saum toj no. Nws muaj txog 6.6 mg ntawm provitamin A.
Kuj muaj beta-carotene hauv cov khoom noj xws li:
- mustard;
- dandelion officinalis;
- ntsuab beet nplooj.
Qhov concentration ntawm cov tshuaj no hauv zaub thiab txiv hmab txiv ntoo yog nyob ntawm qib ntawm kev loj hlob thiab lub caij.
Reviews txogProvitamin A
Muaj ntau lub tswv yim hauv Is Taws Nem ntawm cov neeg uas tau noj beta-carotene. Lawv cov kev txheeb xyuas yog 100% zoo. Tsis muaj kev phiv tshwm sim.
Cov neeg mob hais tias nws yog beta-carotene uas pab lawv ntxiv dag zog rau cov plaub hau thiab rau tes, thiab tshem tawm dandruff. Lawv cov kev tshuaj xyuas kuj qhia tau hais tias nrog kev siv cov tshuaj saum toj no, cov tsos mob ntawm daim tawv nqaij txhim kho, thiab tej yam tshwm sim tsis kaj siab xws li liab ntawm daim tawv muag thiab dryness ntawm mucous daim nyias nyias ntawm lub qhov muag raug tshem tawm.
Tsis tas li ntawd, ib pawg lus teb sib cais yog cov kev xav ntawm cov neeg uas, raws li kev noj tshuaj, muaj kev poob qis hauv kev qaug zog thiab muaj zog tshiab. Lawv txoj kev xav tau zoo dua qub thiab txawm tias qee zaum lawv txoj kev nyuaj siab ploj mus.
YContraindications
Beta-carotene (E160a hauv lwm lo lus) tsis txaus ntshai rau tib neeg lub cev. Nws yog non-toxic thiab non-carcinogenic. Nws kuj tsis pab txhawb kev loj hlob ntawm kev hloov pauv, uas tseem ceeb tshwj xeeb tshaj yog rau embryos.
Provitamin A tsis muaj qhov tshwj xeeb contraindications. Tab sis qee zaum (piv txwv li, noj ntau dhau ntawm beta-carotene), carotenemia tuaj yeem tshwm sim. Qhov no yog ib qho mob zoo thiab ua rau cov tawv nqaij daj me ntsis xwb.
Yog tias cov tawv nqaij tsis hloov txawm tias tom qab beta-carotene tau txiav lawm, nrhiav kev kho mob tam sim.
Ntawm qhov tsawg heev, tus neeg intolerance rau cov khoom saum toj no tau raug kaw.
Nws yuav tsum tau muab sau tseg tias E160a yog sib xws nrog lwm yamtshuaj thiab txawm haus cawv. Qhov tsuas yog kev zam yog cov tshuaj "Xenical". Yog tias koj siv cov tshuaj no, ces qhov nqus ntawm beta-carotene txo qis los ntawm yuav luag 30%.
Vitamin E160a yog ib yam khoom tseem ceeb heev rau lub cev. Nws cuam tshuam rau ntawm daim tawv nqaij, plaub hau, rau tes thiab lwm yam. Yog li ntawd, nrog rau qhov tsis txaus ntawm beta-carotene, nws yog ib qho tsim nyog yuav tsum muaj cov khoom noj uas muaj nyob hauv cov zaub mov. Tsis tas li ntawd, cov tshuaj no tuaj yeem raug coj los ua ib feem ntawm multivitamin complexes.
