2024 Tus sau: Jasmine Walkman | [email protected]. Kawg hloov kho: 2023-12-16 08:31
Vitamin A yog lub teeb daj sib xyaw nrog lub ntsej muag crystalline, tseem hu ua retinol - lub npe muab nrog txuas nrog kev koom tes ntawm cov sib txuas hauv cov haujlwm ntawm cov retina ntawm lub qhov muag. Vitamin A kuj tseem hu ua "vitamin los tiv thaiv kis" vim nws lub luag haujlwm hauv kev txhawb nqa kev ua haujlwm ntawm lub cev tiv thaiv kab mob. Vitamin A yog tshuaj tiv thaiv immunostimulant heev. Nws tau khwv tau lub npe menyuam yaus elixir ntawm cov hluas vim nws qhov kev ntxim nyiam ntawm daim tawv nqaij.
Thaum retinol tsuas pom hauv cov khoom noj ntawm cov tsiaj keeb kwm, txiv hmab txiv ntoo thiab zaub uas muaj cov carotenoids kuj tseem muaj Vitamin A kev ua si. Lub cev muaj peev xwm hloov qee yam carotenoids, suav nrog beta carotene, alpha-carotene, thiab gamma-carotene mus rau hauv vitamin A. Cov carotenoids no hu ua provitamin A sib txuas.
Kev khiav dej num ntawm Vitamin A
- Txhawb lub zeem muag - tib neeg qhov retina muaj plaub hom haujlwm thaij duab uas khaws cov vitamins A sib txuas. Ib qho ntawm cov xim no, hu ua rhodopsin, yog pom nyob hauv cov keeb hlwb retinal. Rhodopsin tso cai rau cov hlwb no los tshawb nrhiav txawm tias muaj qee lub teeb me me, yog li ua lub luag haujlwm tseem ceeb hauv kev hloov kho lub qhov muag rau cov xwm txheej thiab lub zeem muag hmo ntuj.
- Txij nkawm ntawm lub cev tiv thaiv kab mob - Vitamin A. txhawb lub nruab zog tiv thaiv kab mob los ntawm kev txhawb nqa kev loj hlob nrog rau kev tiv thaiv kev ntxhov siab los cuam tshuam ntawm lub qog thymus. Vitamin A kuj tseem txhim kho kev ua haujlwm ntawm cov qe ntshav dawb nrog cov haujlwm kis.
- Txhawb txoj kev loj hlob ntawm tes - Vitamin A kuj tseem ceeb rau kev loj hlob ntawm tes thiab kev loj hlob.
Vitamin A kuj tseem ceeb rau kev ua me nyuam hauv cov txiv neej thiab poj niam thiab ua lub luag haujlwm hauv cov metabolism hauv cov pob txha li qub. Tsis tas li ntawd, cov vitamin A (nyob rau hauv daim ntawv ntawm retinoic acid) tau xav tias yog lub luag haujlwm tseem ceeb hauv kev tswj hwm cov xwm txheej.
Vitamin A Tsis Txaus
Kev noj haus txaus ntawm Vitamin A muaj ntau heev nyob rau cov teb chaws vam meej thiab muaj feem ua rau tus neeg dig muag pom, kis tau tus kab mob, thiab muaj me nyuam tuag. Vitamin A tsis txaus ntseeg feem ntau cuam tshuam rau kev noj qab haus huv ntawm daim tawv nqaij, plaub hau, ob lub qhov muag thiab lub cev tsis muaj zog, txawm hais tias poob ntawm lub qab los noj mov, pob txha tsis zoo, thiab kev loj hlob qeeb kuj tseem cuam tshuam nrog kev noj zaub mov tsis txaus ntawm cov vitamin no.
Vitamin A overdose
Vitamin A tuaj yeem ua rau muaj kev mob tshwm sim thaum noj ntau dhau. Kev noj tshuaj Vitamin A yog vim muaj kev siv tshuaj ntau dua li 200 mg retinol sib npaug thiab 100 mg retinol sib npaug los ntawm cov neeg laus thiab cov menyuam, ntsig txog. Cov kev mob tshwm sim los ntawm nws cov tshuaj lom feem ntau yog ib ntus thiab suav nrog poob qab los noj mov, txob taus, nkees, qaug zog thiab ntuav.
Tsoom Fwv Tebchaws Meskas Txoj Kev Tshawb Fawb Txog Kev Tshawb Fawb tau teeb tsa ib qhov txwv rau kev rov qab noj tshuaj raws li hauv qab no:
- Cov menyuam muaj 3 xyoos lossis tsawg dua, 600 micrograms ib hnub;
- Cov menyuam yaus 4-8 xyoos, 900 micrograms;
- Cov menyuam yaus 9-14 xyoos, 1700 micrograms;
- Cov Hluas Hnub Nyoog 14-18 xyoo, 2800 micrograms;
- Cov neeg laus hnub nyoog 19 xyoos thiab laus dua, 3000 micrograms;
- Cov pojniam cev xeeb tub lossis lactating, 18 xyoo lossis qis dua, 2800 micrograms;
- Cov pojniam cev xeeb tub lossis lactating, 19 xyoos lossis laus dua, 3000 micrograms.
Raws li Vitamin A yog cov rog-soluble, nws qhov tsis txaus ntseeg tuaj yeem tshwm sim los ntawm kev noj zaub mov uas muaj roj tsawg kawg lossis los ntawm qhov muaj mob kho mob uas ua rau muaj peev xwm txo qis lub peev xwm nqus cov zaub mov kom rog.
Cov tshuaj uas cuam tshuam rau kev nqus, kev siv lossis kev nthuav tawm ntawm Vitamin A yog: tshuaj uas txo cov roj cholesterol, cais tawm cov kua tsib kua qaub, tshuaj tiv thaiv Medroxyprogesterone, Neomycin thiab lwm yam.
Cov txiaj ntsig ntawm Vitamin A
Vitamin A tej zaum yuav ua lub luag haujlwm hauv kev tiv thaiv thiab kho cov kab mob hauv qab no: mob ntxau, AIDS, cawv, mob doog tawv nqaij, mob caj dab, mob ncauj plab, mob ntshav qab zib, mob ntshav qab zib, Kaposi sarcoma, mob txha caj qaum, mob pob ntseg, tsis pom kev zoo, psoriasis, mob qog ntshav, mob rwj, khaub thuas sib kis, thiab lwm yam.
Nws yog qhov tsim nyog rau cov ntsia hlau zoo thiab plaub hau zoo nkauj, rau tawv nqaij zoo nkauj thiab zoo nkauj. Vitamin A muaj cov tshuaj antioxidant, uas yog oxidation yog ib yam ua rau kev laus. Nws txhawb cov kev tsim dua tshiab ntawm cov ntaub so ntswg sab hauv thiab tiv thaiv cov leeg ntawm lub qhov ncauj thiab caj pas, nrog rau lub ntsws los ntawm kev puas tsuaj los ntawm cov pa luam yeeb thiab pa taws.
Los ntawm cov vitamins A
Veal mob siab yog qhov ua tau zoo ntawm Vitamin A., thiab mis thiab qe yog txhais tias yog cov khoom siv tau zoo. Cog cov zaub mov uas muaj cov carotenoids kuj yog qhov chaw ntawm vitamin A. Vitamin A tuaj yeem tau txais los ntawm mis nyuj, roj ntses, txiv duaj, txiv apples, sawv duav, plums, dub currants, txiv lws suav, kua txob, feem ntau cov txiv ntoo ua kua txiv, taub dag.
Raws li kev noj zaub mov ntxiv, Vitamin A muaj raws li retinyl-retinol palmitate. Retinoic acid yog ib hom tshuaj vitamin A uas tau pom hauv cov tshuaj los kho cov tawv nqaij.
Pom zoo:
Vitamin B-complex
Cov organic hom ntawm txhua hom vitamins ua rau lawv tsis muaj kev tiv thaiv tsis txaus rau lub neej tag nrho. Cov vitamins tsis tsim thiab sib tov hauv tib neeg lub cev, uas yog qhov tseem ceeb thiab yuav tsum tsom rau lawv cov khoom. Vitamin B-complex muaj tag nrho cov vitamins tseem ceeb ntawm pab pawg no hauv qhov ntsuas kom zoo.
Los Ntawm Cov Khoom Noj Twg Kom Tau Txais Vitamin C
Vitamin C pab lub cev kom nqus tau hlau, tswj cov nqaij zoo thiab muaj zog tiv thaiv kab mob. Nws yog tus muaj zog khov kho hauv peb qhov kev sim ua kom tsis txhob sib kis khaub thuas. Qhov pom zoo koob tshuaj txhua hnub ntawm cov vitamin C rau txiv neej yog 90 g, rau cov poj niam yog 75 g thiab rau cov menyuam yaus yog 50 mg.
Vitamin C
Vim tias nws siv thoob plaws li kev noj haus ntxiv, Vitamin C tau paub zoo rau cov pej xeem sawv daws, piv rau lwm yam khoom noj muaj txiaj ntsig. Nws kuj tseem yog thawj qhov ua peb tau txais los kho mob khaub thuas thiab mob npaws. Vitamin C , kuj tseem hu ua ascorbic acid, ua kom yaj hauv cov khoom noj kom muaj dej yooj yim thaum tsis xav tau.
Vitamin B1 - Thiamine
Vitamin B1 , tseem hu ua thiamine, yog tus tswv cuab ntawm tsev neeg vitamin B thiab yog qhov zoo tshaj plaws rau nws lub luag haujlwm hauv kev tiv thaiv kev noj zaub mov tsis zoo beriberi. Tus kab mob Beri-beri txhais tau tias txhais tau tias "
Noj Cov Sprats Tshiab Rau Cov Vitamin A Thiab Tus Nees Mackerel Rau Vitamin D
Ntau zaus, thaum peb mus ua noj ntses, peb mus rau qhov chaw ze ze peb thiab yuav cov ntses khov. Tau, nws yog qhov ntau dua thiab yooj yim dua! Tab sis zoo li feem ntau cov khoom khov / txiv hmab txiv ntoo, zaub /, ntses yog ntau yam tshiab muaj txiaj ntsig dua hauv cov khov khov.
