Cov chaw muab kev qhia ntawm tej Vitamin E
Vitamin E yog ntau vertebrates yuav tsum ua li cas ntawm cov vitamins zaub mov. Nws yog cov metabolism hauv tej nqaij, lub paj hlwb thiab vascular uas kom muaj kev ntseeg siab, thiab raws li muaj coob physiological zog qhov tseem ceeb.
Thaum nws tsis yog, nws yog nws lub tsev me nyuam atrophy thiab kev puas tsuaj, thiaj hu ua "tocopherol." Vitamin E deficiency rau tej tsiaj txhu thawj kuj mob, vim cov tsiaj kuj sib txawv thiab qhov txawv loj heev, tab sis tag nrho, cov luag hauj lwm yog varied, tab sis yog tsev me nyuam cov kev kawm ntau cuab kev.
Vitamin E yog ib qho uas yuav tsum tau sij txog li 15-25 mg. cog noob roj, tshwj xeeb tshaj nplej, taum pauv, taum mog, pob kws, thiab cottonseed roj uas muaj tocopherols los richest (0.5-3 mg/g), yuav tau siv rau extracting vitamin E mloog zoo tshuaj. Qab rog ntau nyob rau hauv cov vitamin E, thiab tej khoom uas yog mas kuj kawm, colostrum uas muaj vitamin E dua txog lub neej yav tom ntej ntawm cov ntsiab lus mis tsis hais pej xeem thiab bovine yog 10 zaug, uas tseem ceeb heev rau cov tshiab-yug me nyuam, ces tus colostrum yuav tsis muab pov tseg. Zaub xas lav, zaub kav thiab qos nroj tsuag muaj tocopherol, tiam sis tsis ntau lub ntsiab lus.
Lub cev haum vitamin E yog 10 mg rau cov tseem ruaj ntseg, thaum tus nqi haum li 90%, thaum uas lub koom haum saib xyuas txog tug kab 1 (1000 mg), tus haum muaj li 40%, 10 mg los yog ntau tshaj, tswj tus ntxiv tus nqi, qhov ntau feem, haum tus nqi tsis.
Vitamin E ntsiab lus ntawm pej xeem cov ntaub so ntswg rau lub paj hlwb, lub plawv, siab, qog adrenal thiab rog tis feem ntau, tab sis muaj cov ntsiab lus ntau tshaj plaws nyob rau hauv lub caj pas adrenal. Feem ntau, cov ntsiab lus hais txog cov vitamin E nyob rau hauv cov nqaij lawm ib nyuag ntau dua li cov ntshav, xws li cov ntsiab lus uas muaj roj yog feem ntau 4 - 8 zaug dua li ntshav ntau ntau.
Yuav kom qhia ntxiv rau tus qauv ntawm cov vitamin E, thawj zaug cais los ntawm cov zaub roj uas cov plaub tebchaw muaj vitamin E yam hauj lwm, tshuaj cov qauv tshuaj yog, raws li tau hais los ntawm ib tug txawv cov nab npawb thiab txoj hauj lwm ntawm cov pab pawg methyl rau hauv α, β, γ, δ tocopherols plaub. Ntsiab nuclear α-tocopherol thib ob cov atom yog ib asymmetric pa roj carbon, yog li yuav ua tau ib tug kho qhov muag ob isomers, α-tocopherol yog ib yam xis yam, vitamin hluavtaws E yog sib xyaw kom haum handedness txog isomers, nws hu ua tus racemic α-tocopherol, tej zaum yuav raug peb, lawv kev ua physiological tshaj yog cov me α-tocopherol, tocopherol [beta]-tocopherol nws cov hauj lwm zoo yog xwb qhov thib peb hom α , hos tsuas ib-twelfth γ-α-tocopherol yam, δ-tocopherol no xwb ib feem pua ntawm hom α.
Α - tocopherol oxidative puas tau yooj yim, nws yog stabilized, feem ntau acetic kua qaub, succinic acid, phosphoric acid thiab lwm esterification nws, tocopheryl miv nyuas siv zug ntawm α-tocopherol zoo yuav luag tib yam, tiam sis tej zaum vim nce li lawv stability, tawm hauv qhov txheeb xyuas tau ntsuas seb mas feem ntau ntau dua cov cov dawb tocopherol.
Ntxiv rau cov plaub tocopherol saum toj no, tom qab ntawd lawv nrhiav tau plaub tocopherols zoo li zoo xws li yam khoom uas hu ua kev loj hlob aminophenol, tseem muab faib ua α, β, γ, δ 4. Vitamin E feem ntau yog siv racemic - α-tocopherol ester cawv, daj los yog golden daj pob tshab khov oily kua, raug yuav tsum oxidized teeb xim ces maj mam yuav ntxaum, insoluble hauv dej, soluble ethanol, acetone, chloroform, ether ethanol thiab roj av.
Tocopherol ua ib cov antioxidant; bearers hauv thiol oxidation yuav txo tau muaj feem xyuam rau cov metabolism hauv intermediary ntawm acetyl coenzyme A; thiab tseem muaj qhov endocrine system enzyme muaj feem xyuam rau lub permeability ntawm cell week; ntau theem metabolism hauv nucleic acid thiab ua molecular ib qhov tob. Cov tshawb pom, vitamin E qho tseem ceeb heev rau cov neeg lub cev.
Ua tsaug rau koj menyuam, thov cuag tau hu mus nrog peb. Peb tseem tos koj teb!
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