Sib Txawv Ntawm Ib nrab thiab Siab Hydrogenated Sibhawm
Koj twb tau hnov cov lus hype txog hydrogenated yam. Dab tsi yog nws txhais tau hais tias yog muaj roj yog tag nrho hydrogenated los yog ib nrab hydrogenated? Qhov no puas yog tib yam nkaus li uas muaj roj thiab cov roj ntsha polyunsaturated? Qhov twg trans nqaijrog nyob hauv?
Dab tsi koj yuav tsum paub txog roj, qhov zoo thiab qhov phem, es thiaj li xaiv kev xaiv kev noj haus rau koj tus kheej thiab koj tsev neeg?
To taub Rog Hydrogenation
Hydrogenation yog tus txheej txheem uas cov khoom siv ua dej ua rau cov roj ua kom sov yog siv cov roj nplaum (nickel). Yuam kev hydrogen rau hauv cov roj hloov cov tshuaj ntawm cov kua ua kua ntau dua. Cov roj yuav ua tau rau cov tshuaj hydrogenated los sis cov hydrogenated tag nrho. Ob qho thiab tag nrho cov roj hydrogenated yog suav tias yog cov roj saturated.
Koj tuaj yeem nug seb vim li cas cov khw muag khoom noj khoom haus xav hloov cov roj ua li no. Qhov no yuav ua kom meej meej raws li peb txheeb xyuas cov ntsiab lus hauv qab no, tab sis ib qho ntawm thawj qhov tseem ceeb yog hloov qhov sib xws ntawm cov khoom. Lwm qhov laj thawj yog ua kom lub neej txuag ntxiv.
Ib nrab Hydrogenation
Cov roj ntsha muaj cov roj ntsha nrog cov roj ntsha uas muab lawv lub cev sib luag. Cov zaub mov ua lag luam yuav siv cov roj cov dej ua qoob hauv cov zaub mov, cov khoom noj ci thiab lo margarine vim nws ntev dua roj tsis tu ncua thiab muab cov khoom noj lawv ua kom zoo nkauj.
Ib feem roj hydrogenated roj tau poob ntawm kev haum vim cov roj ntsha uas tsim los ntawm txheej txheem hydrogenation. Qhov kev tu siab yog qhov uas cov roj ntsha roj ua rau cov roj ntsha tuaj yeem xav kom muaj kev noj qab haus huv lwm cov roj saturated, qee yam uas muaj feem xyuam nrog kev mob plawv.
Tab sis nws hloov tawm tias cov nqaijrog tshaj yog qhov tseem phem dua li cov rog uas muaj roj.
Cov nqaijrog pom hauv cov roj ntsha hydrogenated tau nce koj qib LDL roj (qib siab phem) thiab txo koj cov qib HDL roj (qib zoo) tib lub sijhawm. Yog li noj zaub mov trans ces nce tau koj txoj kev pheej hmoo ntawm kev mob plawv thiab mob hlab ntsha tawg. Nws kuj yog txuas rau hom 2 mob ntshav qab zib.
Cua sov thiab rov qab siv cov roj hydrogenated rog kuj yog ib qho teeb meem, nrog rau cov kev tshawb fawb pom tias cov nqi ntawm cov roj ntsha nce ntxiv thaum cov roj ntsha hydrogenated cov cua sov mus rau 180 mus rau 220 F. Nws tsis txawv ntawm kev siv cua sov twg.
Trans nqaijrog yog suav tias tsis zoo txaus tias lawv yuav tsum tau muaj npe hauv Daim Ntawv Qhia Txog Kev Noj Zaub Mov , thiab lawv siv tau raug txwv hauv qee qhov chaw. Yog tias koj nyob hauv cheeb tsam uas tsis khoom noj yuav tsum tau sau nrog cov roj ntsha ntawm trans, nrhiav lo lus "hydrogenated" lossis "part hydrogenated" ntawm daim ntawv.
Daim ntawv qhia txog Hydrogenation
Siab hydrogenating cov roj ua rau lawv muaj zog, zoo ib yam li cov rog uas muaj roj nyob hauv cov nqaij. Cov roj ntsha tuaj yeem yog qhov zoo dua rau koj tshaj li cov roj uas muaj roj, tiam sis peb tsis tau hais tias lawv zoo rau koj txoj kev noj qab haus huv-tej zaum tsis muaj kev phom sij yog ib txoj hauv kev zoo rau nws-vim lawv tsis muaj cov roj ntsha.
Cov roj ntsha tuaj yeem muaj ntau yam zoo li stearic acid, uas yog ib daim ntawv muaj roj tsawg. Stearic acid tsis tsa LDL roj ntau ntau, thiab nws tseem nyob ruaj khov, yog li nws yog qhov zoo rau chav ua noj.
Qhov teeb meem yog tias cov roj hydrogenated tag nrho yog cov khoom thiab waxy, ces lawv yuav tsis yooj yim siv. Lawv tuaj yeem siv cov roj polyunsaturated xws li kua thiab sunflower roj los ntawm tus txheej txheem hu ua interesterification los txhim kho kev ntxhib los mos thiab muag muag me ntsis. Qhov teeb meem yog tias kev tshawb fawb tsis meej txog seb cov interesterified cov rog no yuav ua rau muaj roj ntau ntau thiab kab mob hauv lub plawv.
Ib txoj kev tshawb fawb xyoo 2017 tau muaj kev txhawj xeeb ntxiv txog cov kev sib yeem sib sib koom ua ke. Txawm hais tias txoj kev tshawb fawb no tau ua rau nas thiab tsis yog tib neeg, nws pom tau hais tias leej niam tau txais kev sib koom tes nrog cov roj ntsha hauv nruab nrab ntawm cov roj ntsha hauv nws lub cev. Tsuas tsis tau txais kev sib tw ntawm interessified rog nyob rau hauv utero cuam tshuam cov nas hauv metabolically, tab sis cov laus tsuj cov noob tuaj muaj ntshav qab zib theem uas khiav ntawm kwv yees li 20 feem pua siab tshaj cov nas uas nws niam cov roj ntsha kua zaub xwb.
Calories nyob rau Hydrogenated Sibhawm
Nws tseem ceeb heev uas yuav tsum nco ntsoov tias cov roj ntsha ntawm ob qho tib si thiab tag nrho cov roj (muaj tag nrho cov muaj roj calorie ntau ntau rau ib tus gram), thiab yog tias koj pom ob leeg hauv khw muag khoom noj, nws yuav tau mus ua cov zaub mov ua hnyav uas tsis muaj zoo heev rau koj lawm.
Saturated thiab Unsaturated Sibhawm
Yog tias koj tab tom nyeem cov ntawv cim khoom noj nws yuav ua rau nws ruam. Piv txwv, cov hydrogenated cov roj thiab cov roj roj polyunsaturated roj tau yooj yim tov. Cov roj ntsha muaj zog , hauv qhov sib txawv ntawm cov roj ntsha uas yog cov "saturated Fats," yuav ua tau zoo rau koj (tsis pub dhau txwv.) Kawm ntxiv txog qhov sib txawv ntawm cov roj saturated thiab unsaturated.
Cov kab hauv qab ntawm Hydrogenated Fats
Li ntawd, cov hydrogenated rog rog rau koj? Qee hydrogenated nqaijrog yog vim hais txog ntawm kev tsim ntawm cov rog, thiab trans nqaijrog yog tsis zoo rau kev noj haus zoo. Yog tias koj pom cov roj ntsha ib nrab los sis tag nrho cov khoom hauv khw hauv khw muag khoom, nws tseem yuav pom tias lawv yuav muaj nyob rau hauv cov zaub mov ua hnyav heev-cov khoom noj uas feem ntau tsis tsim nyog lawm. Txhawm rau ua qhov no, xyuas seb cov khoom noj uas muaj cov roj saturated uas zoo tshaj plaws zam.
Muaj ntau cov kws paub txog khoom noj khoom haus zoo tam sim no pom zoo kom khw muag khoom noj hauv lub khw muag khoom noj. Cov zaub mov uas tsis muaj ntawv, xws li cov txiv hmab txiv ntoo thiab zaub, ntxiv rau cov khoom noj uas tsis ua tiav xws li cov nqaij nyuj tshiab thiab cov khoom siv mis nyuj muaj feem ntau nyob hauv cov cheeb tsam ntawm lub khw. Yuav ua kom lom zem ntxiv, sim mus yuav khoom noj yog tias tsis taug kev los ntawm txoj kev mus, tsuas yog khaws qee cov roj mono lossis polyunsaturated roj xws li cov txiv roj roj lossis cov roj txiv ntoo.
> Qhov chaw:
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