Selenium{0}} cov dej ntxhia muaj txiaj ntsig tuaj yeem noj txhua hnub, tab sis kev noj haus yuav tsum tau ua tib zoo tswj. Selenium yog ib qho tseem ceeb ntawm cov kab mob rau tib neeg lub cev; Kev noj ntau dhau (ntau tshaj 400 micrograms / hnub nyob rau lub sijhawm ntev) tuaj yeem ua rau muaj tshuaj lom, thaum pom zoo noj txhua hnub rau cov neeg laus hauv kuv lub tebchaws yog 60-250 micrograms. Yog tias qhov kev xav tau niaj hnub tuaj yeem ua tau raws li kev noj zaub mov tsis tu ncua (xws li qe, nqaij, thiab nqaij nruab deg), tsis tas yuav ntxiv nws los ntawm dej ntxhia.
Lub luag haujlwm thiab tsim nyog tau txais txiaj ntsig ntawm Selenium
Physiological Functions ntawm Selenium
1. Selenium koom nrog hauv cov txheej txheem physiological tseem ceeb xws li tshuaj tiv thaiv oxidation, tswj cov thyroid hormone metabolism, thiab txhim kho kev tiv thaiv. Selenium deficiency tuaj yeem ua rau txo qis kev tiv thaiv kab mob thiab cov thyroid tsis ua haujlwm, tab sis kev noj ntau dhau tuaj yeem ua rau cov plaub hau poob, ntsia thawv deformities, thiab txawm tias puas tsuaj rau lub paj hlwb.
Pom zoo noj txhua hnub
2. Suav Nutrition Society pom zoo:
Cov neeg laus yuav tsum haus 60-250 micrograms ib hnub. Cov poj niam cev xeeb tub thiab lactating xav tau ntxiv 5-20 micrograms. Qhov siab tshaj plaws tau txais txiaj ntsig yog 400 micrograms / hnub. Cov ntsiab lus ntawm selenium ntawm selenium-enriched ntxhia dej sib txawv heev; xyuas cov ntawv ntim khoom (feem ntau yog 0.01-0.05 mg / L). Nws raug nquahu kom suav koj cov khoom noj txhua hnub ua ntej haus.
Cov txheej txheem rau kev txiav txim siab ntev - Lub Sij Hawm Zoo
Kev Ntsuam Xyuas Kev Noj Qab Haus Huv 1. Yog tias koj twb haus selenium ntau ntau- cov zaub mov nplua nuj (xws li Brazil txiv ntoo, uas muaj txog 1917 micrograms / 100g ntawm selenium), haus selenium- cov dej ntxhia ntxiv tuaj yeem ua rau kom noj ntau dhau. Hloov pauv, yog tias koj cov zaub mov muaj selenium tsawg, kev noj nruab nrab tuaj yeem ntxiv qhov tsis txaus.
Kev txhawj xeeb txog Dej Qhov Chaw Tshwj Xeeb 2. Ntuj selenium- cov dej ntxhia muaj txiaj ntsig feem ntau yog tsim nyob rau hauv geologically selenium- thaj chaw nplua nuj (xws li Enshi hauv Hubei thiab Ziyang hauv Shaanxi). Nws cov selenium muaj nyob rau hauv daim ntawv organic, uas ua rau muaj qhov nqus tau siab. Txawm li cas los xij, qee cov khoom siv ntxiv selenium tuaj yeem muaj qhov sib txawv ntawm qhov nqus; Nws yog ib qho tsim nyog kom paub qhov txawv ntawm hom khoom.
Cov neeg tshwj xeeb yuav tsum tau ceev faj: 3. Cov tib neeg muaj kab mob thyroid, lub raum tsis txaus, thiab cov menyuam yaus muaj peev xwm metabolism hauv selenium tsis muaj zog. Nws raug pom zoo tias lawv muaj lawv cov ntshav selenium tau lees paub los ntawm kev kuaj lub cev thiab haus cov khoom raws li kev qhia ntawm tus kws kho mob.
Cov lus pom zoo haus dej haus
Tswj Kev Noj Qab Haus Huv Txhua Hnub: 1. Xav tias muaj selenium- cov dej ntxhia nplua nuj muaj 0.03 mg/L (30 micrograms/L), haus 1-2 litres ib hnub yuav ua rau kom tau txais 30-60 micrograms. Ua ke nrog cov khoom noj khoom haus, qhov no feem ntau yuav tsis pub ntau tshaj qhov pom zoo. Yog tias cov khoom siv concentration siab dhau lawm, kev noj haus yuav tsum tau txo.
Tsis txhob sib xyaw nrog lwm cov khoom siv selenium: 2. Yog tias tib lub sijhawm noj selenium- muaj cov tshuaj noj qab haus huv (xws li selenium poov xab, selenium ntsiav tshuaj) lossis cov tshuaj (xws li selenoester polysaccharides), tag nrho cov khoom noj yuav tsum tau suav ua ke los tiv thaiv kev noj ntau dhau.
Dynamically Saib Xyuas Lub Cev Cov Teeb Meem: 3. Ntev- cov neeg siv sijhawm ntev yuav tsum saib xyuas lawv cov ntshav selenium ib ntus (ib txwm muaj li 1.3-2.4 μmol / L). Yog tias muaj cov tsos mob xws li qaug zog lossis tsis xis nyob hauv plab, txiav siv tam sim ntawd thiab nrhiav kev kho mob.
Alternative Selenium Supplementation Options
Yog tias koj txhawj xeeb txog qhov tsis ruaj tsis khov ntawm selenium- noj cov dej ntxhia ntxiv, koj tuaj yeem kho koj cov zaub mov:
Noj 3-4 qe hauv ib lub lis piam (muaj kwv yees li 30 micrograms ntawm selenium).
Noj cov nqaij nruab nrab ({0}} micrograms / 100g) thiab nqaij npuas (12 micrograms / 100g).
Qee zaus ntxiv nrog cov txiv ntoo Brazil (1-2 txiv ntoo / hnub yog txaus kom tau raws li koj xav tau).
Hauv cov ntsiab lus: Selenium- cov dej ntxhia ntxiv yog qhov tsawg - txoj kev pheej hmoo ntawm selenium supplementation thiab tuaj yeem noj tau ntev - lub sij hawm ntev npaum li tag nrho cov nyiaj raug tswj. Txawm li cas los xij, kev noj zaub mov zoo nrog ntau yam khoom noj yog pom zoo. Rau cov neeg tshwj xeeb lossis cov neeg uas haus dej ntau tshaj 3 litres ib hnub, nws raug nquahu kom sab laj nrog kws kho mob noj zaub mov kom tsim kho tus kheej txoj kev npaj.
