Cov Lus Tseeb Txog Cov Monosodium Glutamate: Puas MSG Safe?
Li ntawd, muaj coob tus neeg qhia tias lawv tsis zoo siab tom qab noj zaub mov ntau dhau suav tias lub sij hawm tau ua rau qhov kev xav tau: Cov Tsev Noj Mov Syndrome.
Yog qhov qaug zog thiab mob taub hau tom qab indulging ntawm tus suav buffet los ntawm MSG, los yog nws tsuas yog ib qho teeb meem ntawm noj ntau cov khoom noj - feem ntau kib hauv roj hnyav - hauv ib qhov?
Dab Tsi Yog Dab Tsi?
Lub sijhawm thawj zaug nyob rau xyoo 1968 hauv New England Journal of Medicine los piav txog qhov kev xav tsis zoo ntawm cov neeg uas xav tias tom qab noj cov zaub mov Esxias.
Suav noj mov tsis yog tib qhov ua txhaum.
Monosodium glutamate, feem ntau hu ua MSG, feem ntau yog blamed raws li qhov ua rau suav tsev noj mov Syndrome txawm ntau cov kev tshawb fawb dhau xyoo tau ploj mus kom paub meej tias "qub" nyiaj ntawm MSG ua rau cov teebmeem tau thov.
Txawm hais tias zoo nkauj zoo txhua leej txhua tus paub txog qhov no pom tias feem ntau peb hu "Suav cov zaub mov" ntawm cov khoom pheej yig nyob rau sab hnub poob tsis tshua zoo li cov zaub mov suav , ob qho tibsi thiab cov Americanized khoom feem ntau muaj ntau npaum li cas ntawm MSG.
Muaj coob tus Westerners tau nres noj cov zaub mov suav vim lawv txoj kev xav tom qab. Tau, feem ntau muaj MSG nyob rau hauv cov zaub mov suav, tab sis koj yuav xav tsis thoob kom paub tias MSG ntxiv rau ntau cov khoom noj khoom noj tsis tu ncua hauv qab West.
Cov tsos mob ntawm cov khw noj mov Syndrome
Qee zaum cov tib neeg tau qhia cov tsos mob nram qab no tom qab ua ib qho kev mus ncig ua si ntau ntxiv rau cov lus suav tau:
- Lethargy (nkees nkees)
- Mob taub hau (tag nrho lub taub hau)
- Hlais
- Kev nqhis dej heev
- Mob hauv siab thiab ceev ceev
- Flushed ntsej muag
Puas yog Cov Zaub Mov Suav Tseeb Tiag?
Thaum ntau tus ntiv tes taw ntawm MSG, cov neeg tawm tswv yim ntawm cov zaub mov additive MSG hais tias qhov kev xav ntawm kev tsis zoo yog vim cov neeg dhau ntawm cov khauj khaum suav, feem ntau cov khoom pheej yig thiab nyuaj-rau-zom zaub kib hauv roj hnyav.
Qhov tseeb tiag, hu ua Chinese Restaurant Syndrome tuaj yeem yog los ntawm noj ntau lub ntsev (MSG yog ntsev) thaum noj zaub mov ntau dua uas pheej yig tshaj.
Cov neeg uas ntseeg hais tias lawv ua xua rau MSG yuav luag tsis tau thov kom mob taub hau tib yam tom qab noj su nqaij me me los yog nrov hom kua zaub uas feem ntau muaj MSG. Cov neeg thov kev tshuam rau MSG tsis tshua pom muaj teeb meem thaum siv lwm yam glutamates. Glutamate yeej tshwm sim nyob hauv cov hlwb thiab pabcuam tshwjxeeb rau qe, txiv lws suav, thiab ntse cheese.
Txog rau Western khiav thiab tsis pom zoo ntawm MSG ntau dua, feem ntau ntawm cov khoom noj khoom haus ntawm American tau ntsiag to ntxiv MSG rau txhua yam ntawm cov kua zaub mus rau cov khoom qab zib. Tam sim no tus neeg tau txais kev pab ntau dua rau cov ntawv sau, MSG tseem siv tab sis feem ntau muab zais hauv ntau lub npe xws li "autolyzed poov xab extract" thiab "hydrolyzed protein."
Kev kawm Australian ntawm 71 tus neeg tuaj yeem ntseeg tias lawv tau nkag siab txog MSG raug muab sib xyaw nrog tiag tiag MSG ntsiav tshuaj thiab cov placebos. Cov ntsiab lus uas tau muab tiag MSG qhia tsis muaj teebmeem kev mob tshwm sim, thaum cov neeg uas tau txais tshuaj placebo ntsiav tshuaj qhia tib cov syndromes uas lawv xav tias tom qab noj cov zaub mov suav.
MSG tau pom tias yuav ua rau kev noj qab haus huv los ntawm kev ua zaub mov zoo dua qhov tsis txaus siab thiab cuam tshuam rau lub cev txoj kev qab plab-qhov ncauj, li ntawm cov tsos mob ntawm cov tsev noj mov Syndrome tej zaum yuav yog ntawm cov khoom noj khoom haus hnyav!
Koj tsis paub hais tias koj overeating kom txog thaum tom qab tawm hauv lub tsev noj mov.
MSG yog dab tsi?
Glutamate yog ib qho amino acid uas tshwm sim ntawm txhua yam khoom noj, ntawm zaub thiab nqaij rau cov kua mis. Monosodium glutamate yog sodium ntsev muab tau los ntawm fermenting glutamic acid. Sushi seaweed (nori), Parmesan cheese, nceb, thiab txiv lws suav txawm tag nrho los ntawm lawv cov tastes tshwj xeeb los ntawm ntau theem ntawm ntuj glutamate.
MSG yog feem ntau tsis meej pem li qub, tab sis, nws yog ib qho ntsev uas sib npaug thiab sib npaug cov khoom noj uas twb muaj nyob hauv cov khoom noj. Thaum glutamate tsis yog kuaj-tsim thiab tshwm sim tag nrho txhua qhov, qhov noj ntau thaum siv los ua zaub mov noj rau hauv daim ntawv ntawm MSG tsis yog ntuj. MSG yog qhov tseem ceeb ntawm lub tsev tsim, cov ntsiab lus tseem ceeb ntawm yam ua rau qee yam zaub mov saj zoo nyob rau hauv thawj qhov chaw, ntxiv rov qab cov khoom noj qub.
Cov tswv yim ntawm MSG hais tias lub cev tsis tuaj yeem qhia qhov txawv ntawm monosodium glutamate thiab ib txwm tshwm sim glutamate. Lwm tus neeg muaj kev txhawj xeeb txog qhov ntau tshaj qhov "natural" compound ua rau peb lub cev.
Tej zaum tsis ncaj ncees, monosodium glutamate feem ntau txuam nrog cov zaub mov suav. Tab sis MSG tau pom los ntawm ib tug Japanese xibfwb nyob rau hauv University of Tokyo hauv 1907. Nws lub npe hu ua tus savory flavour tias MSG tsim umami . Xyoo 2002, cov kws tshawb fawb pom tias peb yeej muaj cov neeg txais kev pabcuam rau peb tus nplaig rau qhov kev xav ntawm lub glutamate tsim thiab ua haujlwm ntxiv rau umami (savory) ua tus thib tsib saj nrog rau qab zib, qab ntsev, qaub, thiab ntsim.
Niaj hnub no, MSG muaj kev tshaj lij ntxiv rau cov khoom noj thiab khoom noj txom ncauj hauv Nyij Pooj, Tuam Tshoj, Kauslim Teb, Is Nrias teb, thiab Asmiskas sab hnub tuaj . MSG tsis tsuas yog qhib rau hauv cov khoom noj los ntawm cov teb chaws Es Xias coob 7-kaum ib minimarts ; cov khoom noj khoom haus zoo tsis tu ncua yog nyob ntawm nws. Txawm tias feem coob ntawm cov neeg nyiam siv cov Western cov neeg siv cov khoom ua rau cov nqaij, kua ntses, thiab cov zaub mov tiav.
Puas yog MSG Safe?
Kev sib cav tswv yim ntawm MSG qhov kev nyab xeeb tau raging rau xyoo lawm, uas ua rau nws yog ib qho ntawm cov khoom noj uas tau kawm ntau tshaj plaws hauv keeb kwm. Txawm tias tsawg kawg yog 60 feem pua ntawm neeg ntiaj teb cov neeg nyob rau hauv Asia xav siv MSG txhua hnub , lub acronym tau suab ua suab lo lus peb lo lus-lus nyob rau sab hnub poob. Thaum cov neeg tawg rog txaus siab them ntau dua rau cov khoom noj uas muaj tus tsiaj uas tau hais tias yog MSG dawb, Asians yuav siv cov khoom uas muaj hmoov pleev rau hauv tsib phaus lub hnab thiab nchuav rau ntau lub tais raws li qhov ua tau!
Kev tshawb fawb ntau ntawm cov teeb meem ntawm MSG tau raug ua txij li xyoo 1959, nws thiaj li ua rau FDA, European Union, United Nations, thiab World Health Organization txhua qhov teev MSG ua zaub mov zoo. Lwm txoj kev tshawb nrhiav los ntawm European Union tshaj tawm tias MSG tau pov thawj muaj kev nyab xeeb rau cov me nyuam mos thiab cov poj niam cev xeeb tub.
Raws li feem ntau yog qhov teeb meem, ntau qhov kev tshawb fawb tau kev txhawb nqa - txawm ncaj qha los yog mus lobbying - los ntawm cov zaub mov loj loj uas siv cov MSG raws li txoj kev pheej yig kom tau txais ib qho ntug hauv kev saj cov neeg sib tw.
Hauv xyoo 2008, kev sib koom tes ntawm Suav thiab Amelikas cov neeg tshawb nrhiav tau txuas MSG nrog kev rog, txawm li cas los xij, txoj kev tshawb suav Suav hauv xyoo 2010 debunked nrhiav. Tom qab ntawd tau pom tias cov khoom noj khoom haus zoo tshaj hauv cov zaub mov ntxig rau cov neeg noj tshuaj, thiab kev nqhis dej uas MSG ua rau yog feem ntau quenched nrog npias los sis dej qab zib, ua rau koj qhov hnyav nce. Tom qab tag nrho, MSG yog ntsev.
Nyob rau sab nraud ntawm qhov kev sib cav, Nyij Pooj - ua rau ib tus neeg siv ntawm MSG - boasts lub ntiaj teb ntev tshaj plaws ntawm kev cia siab raws li lub ntiaj teb qhov qis tshaj kev rog!
Txawm hais tias sodium chloride (lub rooj ntsev) tsis yog ib txwm muaj kev sourced, nws tseem nyob dav txais. Ntsev kuj yog ib qho loj contributor rau ntshav siab uas ua rau mob plawv - ua rau ua rau tuag hauv ntiaj teb no. MSG yeej muaj peb zaug tsawg dua qhov muaj ntsev tsis muaj ntsev ntau dua li lub rooj ntsev, thiab tsawg dua MSG yuav tsum tshaj ntsev rau lub caij noj mov.
Tsis txhob MSG hauv Asia
Thaum kuv nug ib tug neeg muag khoom hauv Chiang Maiv, Thaib teb , vim li cas nws siv MSG hauv nws cov zaub mov, nws tsuas teb tias, "vim kuv tau ua." Nyob rau hauv lwm yam lus, nrog tag nrho nws competitors siv MSG los txhim kho lub savory saj nyob rau hauv cov zaub mov, nws raug yuam ua tib yam los lwv. MSG hloov mus rau hauv cov khoom noj khoom haus ntau hauv Asia , tab sis koj tuaj yeem nug cov zaub mov tsis txhob ntxiv nws.
Qee cov chaw ua noj tshais thiab cov tswv lag luam tau ntes tau mus rau txoj kev tiv thaiv MSG hauv sab hnub poob thiab tam sim no tshaj tawm "Tsis muaj MSG" nrog cov cim qhia kom muaj kev nyab xeeb ntawm cov neeg taug kev rov qab . Qhov no yuav yog lossis tsis txhais hais tias lawv cov zaub mov tsis pub dawb ntawm MSG. Txawm hais tias lawv tsis txhob txwm ntxiv MSG rau cov tais diav, ntau cov khoom xyaw thiab seasonings (xws li soy sauce, oyster sauce, thiab tofu) lawv siv los npaj cov khoom noj twb muaj cov tshuaj.
MSG feem ntau hloov rau ntsev hauv Esxias zaub mov. Txawm tias ntsev shakers saum cov rooj hauv khw noj mov, thiab feem ntau mas cov kua ntses, muaj MSG. Saib: 10 cov neeg nug cov lus nug txog cov zaub mov hauv Asia .
Txawm hais tias MSG qee zaum tau raug liam rau cov neeg mob plab los ntawm ntau tus neeg mus ncig tebchaws , TD yog feem ntau tshwm sim los ntawm cov zaub mov tsis zoo thiab cov kab mob.
MSG hauv Western Khoom Noj
Tsis txhob xav tias qhov thib ob tias MSG tsuas yog siv hauv Esxias zaub mov. Muaj ntau cov khoom noj txom ncauj, cov zaub mov hauv cov kaus poom, cov kua nplaum, cov nqaij me, thiab cov kua qab ntsev muaj MSG li cov khoom ua kom zoo nkauj. Yog tias koj puas tau noj Campbell's kua zaub, koj tau noj MSG.
Nyob rau hauv cov European Union, Australia, thiab New Zealand, cov ntsiab lus ntawm cov khoom noj khoom haus monosodium glutamate qhia txog cov ntawv lo "E621." Cov ntawv cim "MSG" tsis pub rau cov ntawv cim khoom noj hauv Tebchaws Meskas; cov neeg ua zaubmov yuavtsum sau npe lo lus "addos monosodium glutamate" thiab sau nws ua ib qho ntxiv uas tsis suav nrog cov "seasonings and spices."
Cov neeg uas ntseeg tiag tiag tias lawv muaj kev fab tshuaj rau MSG feem ntau kuj yuav nkag mus rau glutamic acid thiab nws cov ntsev. Glutamic acid tuaj yeem nyob rau hauv cov khoom noj uas muaj npe xws li:
- hydrolyzed zaub protein
- autolyzed poov
- hydrolyzed poov
- poov xab extract
- soy Extract
- protein cais tawm
- hydrolyzed protein.
Hydrolyzed proteins yog cov proteins uas tau tawg tu sib xyaw rau lawv cov amino acids uas tau tsim tawm dawb glutamate. Dawb glutamate tuaj yeem nrog cov tshuaj ntses uas tau tsim los tsim cov MSG hauv cov khoom noj; thaum qhov no tshwm sim, cov khoom noj tsis raug tseev kom ua los ntawm txoj cai lij choj yuav tsum sau tias muaj MSG.
Technically, cov neeg ua zaub mov tuaj yeem tau ntxiv ib qho ntawm cov khoom xyaw saum toj no kom cia MSG ua daim ntawv tsis tas yuav sau nws raws li ib qho ntxiv! Txawm tias "ntuj" cov hom phiaj rau cov neeg siv khoom noj khoom haus-cov neeg mob lub siab niaj hnub siv cov phooj ywg ntawm MSG.
Interestingly, MSG noj tib leeg kheej tsis kaj siab thaum tsis muaj zaub mov los txhim kho!