Cov kws tshaj lij tau tshuaj xyuas xya qhov piv txwv ntawm cov khoom qab zib nrov. Tsis yog txhua tus tau qhia kom yuav.
Ib lub thawv khoom qab zib yog ib qho khoom plig tshaj plaws rau lub Peb Hlis 8. Lawv nqa cov qhob noom xim kasfes nrog lawv thaum lawv mus ntsib, lawv nthuav qhia rau tus kws qhia ntawv, lawv txawm muab rau cov menyuam yaus. Tab sis cov khoom qab zib tuaj yeem tsim kev puas tsuaj, raws li nws muab tawm, tsis yog tsuas yog cov hniav thiab daim duab. Cov kws tshaj lij Roskontrol tau tshawb pom tias kev phom sij tuaj yeem yog thoob ntiaj teb ntau dua.
Cov thawv nrog khoom qab zib ntawm xya lub npe nrov tau raug xa mus rau kev tshuaj xyuas: Belochka, Krasny Oktyabr, Korkunov, Lub Neej Zoo, Kev tshoov siab, Babaevsky thiab Ferrero Rocher. Thiab nws muab tawm tias koj tuaj yeem tsis ntshai yuav tsuas yog plaub ntawm lawv.
Cov khoom qab zib "Lub Kaum Hli Liab" tau suav nrog hauv cov npe dub ntawm lub chaw kws tshaj lij. Qhov ua txhaum loj heev: tus nqi ntawm isomers trans hauv cov khoom qab zib yog 22,2 feem pua ntawm tag nrho cov rog. Qhov kev tso cai tsis pub ntau tshaj 2 feem pua. Qhov no vim tias cov tshuaj sib xyaw no txaus ntshai heev rau kev noj qab haus huv.
"Trans isomers ntawm cov rog rog tau suav nrog hauv cov lipid ib feem ntawm cov xovtooj ntawm tes hloov pauv ntawm 'ib txwm' fatty acids, yog li cuam tshuam kev ua haujlwm ib txwm ntawm cov cell. Qhov no ua rau kev txhim kho ntawm ntau yam kab mob, suav nrog cov kab mob ntawm cov hlab plawv, atherosclerosis, ntshav qab zib, "piav qhia Irina Arkatova, tus kws tshaj lij tshwj xeeb ntawm cov kws tshaj lij tshwj xeeb ntawm Roskontrol Consumer Union.
Trans isomers ntawm fatty acids yog tau los ntawm kev hloov pauv cov pa roj zaub - lawv thiaj li ua tau zoo, thiab tuaj yeem siv rau hauv kev tsim khoom qab zib, ncuav qab zib, ncuav qab zib thiab lwm yam khoom qab zib. Lawv raug hloov rau butter lossis cocoa butter kom txuag tau nyiaj.
Nws yog qhov zoo dua tsis txhob siv cov thawv tawg thiab puas los ntawm lub txee txawm tias yog qhov tshwj xeeb
Ob lub tuam txhab ntxiv - "Korkunov" thiab "Belochka" - qhia cov ntaub ntawv tsis raug ntawm cov khoom ntawm daim ntawv lo. Thawj hom muaj cov roj zaub nrog cov ntsiab lus siab lauric acid, uas cov neeg siv khoom yuav tsis paub yog tias nws tsis yog rau … Hauv “Belochka” icing, txaus siab hu ua qhob noom xim kasfes, ua rau muaj qhov sib txawv: nws muaj cov cocoa butter tsawg dhau, peb zaug tsawg dua li nws yuav tsum tau ua. Ib qho ntxiv, cov khoom qab zib ntawm hom no tau npog nrog txheej dawb.
Yog li ntawd, plaub lub npe khoom qab zib tseem tsis tau teb: "Lub Neej Zoo", "Kev tshoov siab", "Babaevsky" thiab "Ferrero Rocher". Lawv tuaj yeem yuav thiab noj yam tsis ntshai.
Los ntawm txoj kev
Raws li cov kws tshaj lij piav qhia , leej twg tseem cuam tshuam nrog "cov lus nug qab zib", tawg paj dawb ntawm cov qhob noom xim kasfes qhia tias muaj peev xwm khaws cia tsis raug ntawm cov khoom. Tab sis koj twv yuav raug hu tsis tas yuav ntshai nws - nws tsis muaj kev phom sij kiag li! Ntxiv mus, qhob noom xim kasfes, uas muaj cov cocoa butter hloov pauv, tsis tau npog nrog txheej dawb. Yog li ntawd, "plaub hau txho" yog lub cim qhia tseeb tias nws yeej yog ntuj tiag. Txawm li cas los xij, nws saj los ntawm kev sim nrog cov xwm txheej cia tuaj yeem raug kev txom nyem.
Cov Kws Tshaj Tawm Tawm Tswv Yim
Pastry Chef thiab Pastry School Teacher Olga Patrakova: XNUMX Lab tus kiv cua tos koj rau Webtalk!
"Qhov zoo tshaj plaws chocolate yuav tsum muaj peb yam khoom: cocoa butter, cocoa cawv thiab qab zib. Tsis tas li ntawd, muaj pes tsawg leeg yuav muaj xws li lecithin, vanillin thiab mis nyuj hmoov. Tab sis txoj cai yog ib qho: cov khoom xyaw tsawg dua, qhov zoo dua. “