Txheej txheem cej luam ntawm cov cai thiab cov qauv rau kev siv cov khob ntawv hauv Suav teb

Lub Rau Hli 1, 2012 kev siv cov qauv kev lag luam tshiab, cov khob ntawv pov tseg (xws li ob lub phab ntsa ntawv kas fes khob, ob phab ntsa ntawv kub khob, ib phab ntsa kub khob), ntawv tais, ntawv noj su thawv lub teb chaws cov qauv siv niaj hnub no. Lub teb chaws tus txheej txheem teev tseg: lub qhov ncauj ntawm lub khob nyob rau hauv 15 hli los ntawm lub khob lub cev thiab hauv qab ntawm lub khob nyob rau hauv 10 hli los ntawm lub khob lub cev tsis tuaj yeem luam tawm cov qauv siv cov khob ntawv pov tseg yuav tsum ua raws li cov qauv hauv qab no:

1, lub qhov ncauj ntawm lub khob tsis pub dhau 15 hli tsis tuaj yeem luam tawm cov qauv

Yav dhau los cov khob ntawv pov tseg tsuas yog cov qauv kev lag luam xwb, tsis muaj cov qauv hauv tebchaws. Lub teb chaws tus qauv (GB/T 27590-2011) rau daim ntawv khob ntawm raw cov ntaub ntawv, additives, ntim, luam ntawv thiab lwm yam yuav tsum tau siab dua los tiv thaiv cov neeg siv kev ruaj ntseg. Qhov kev txhawj xeeb tshaj plaws yog thawj zaug muab cov kev cai ntawm txoj haujlwm luam ntawv, cov kev cai ntawm lub khob ntawv sab nraum cov qauv luam ntawv yuav tsum yog cov qauv qhia meej, xim thiab luster uniformity, tsis muaj qhov pom tseeb xim me ntsis, tab sis 'lub qhov ncauj ntawm lub khob los ntawm. lub khob tsis pub dhau 15 hli, hauv qab ntawm lub khob ntawm lub khob yuav tsum tsis txhob muab luam tawm hauv 10 hli '. 'Tsis muaj luam ntawv ntawm lub qhov ncauj ntawm lub khob yog kev tiv thaiv neeg siv khoom.' Dong Jinshi, tus lwm thawj tswj hwm thiab tus tuav ntaub ntawv ntawm International Food Packaging Association, tau hais tias tsis muaj lub tswv yim ntawm cov zaub mov qib ink hauv lub tebchaws, thiab tsis muaj tus cwj mem luam ntawv uas tuaj yeem siv los tiv tauj cov zaub mov. Haus dej thaum daim di ncauj kov lub qhov ncauj ntawm lub khob, tus number case nyob rau hauv cov qauv luam ntawv yuav noj tau, tshwj xeeb tshaj yog muaj benzene number case yog tsis zoo rau kev noj qab haus huv. Nyob rau tib lub sij hawm nyob rau hauv lub khob khob, hauv qab ntawm lub khob muaj cov qauv luam ntawv, nws kuj yog ib qho yooj yim los txhuam cov xim rau sab hauv phab ntsa ntawm lwm lub khob, yog li hauv qab kuj xav kom tsis muaj luam ntawv.

2, fluorescent whitening tus neeg sawv cev tsis tuaj yeem ntxiv dag zog

Hauv kev tsim cov ntawv khob ntawm cov khoom siv raw, txhawm rau kom tsis txhob muaj cov kuab tshuaj lom, lub teb chaws tus qauv, cov khob ntawv yuav tsum tsis txhob muaj ntxhiab tsw, yuav tsum tsis txhob siv cov khoom siv rov ua dua, cov khoom siv raw siv hauv cov khoom siv ntxiv yuav tsum ua raws li kev siv. ntawm tus qauv, fluorescent whiteners, muaj paraffin, muaj talc thiab lwm yam additives tsis nyob rau hauv lub Scope ntawm GB 9685 yuav siv tsis tau rau zus tau tej cov ntaub ntawv khob. Tsis tas li ntawd, tus qauv rau daim ntawv khob khov thiab kev ua haujlwm permeability kuj tau teev tseg, hauv qab thiab sab ntawm lub khob ntawv yuav tsum tsis txhob xau, seepage, yog tias lub khob ntawv yog mos heev, kuj tsis ua raws li tus qauv. Daim ntawv khob ntawm tag nrho cov khoom ntim kom muaj kev sib khi txaus thiab ruaj khov, lub khob ntim ntawv yuav tsum muaj plua plav-pov thawj, noo-pov thawj thiab pwm-pov thawj.

3, cov ntawv khob ntawm cov khoom siv raw yog: cov zaub mov-qib ntoo pulp ntawv + zaub mov-qib PE zaj duab xis.

Cov khob ntawv tau muab faib ua khob dej txias, khob haus dej kub thiab yogurt cheese khob raws li lawv siv. Cov dej txias txias muaj tus yam ntxwv, yuav tsum tau txias los yog khov, nyab xeeb siv qhov kub ntawm 0 degree -5 degree . Nws tau txiav txim siab tias tag nrho cov ntawv khob tuaj yeem ua dej tsis zoo. Yog li ntawd, lub khob haus dej txias yog ua los ntawm cov khoom noj-qib ntoo pulp ntawv + pe zaj duab xis rau sab hauv thiab sab nrauv. Qhov no tuaj yeem tiv thaiv cov ntawv ntoo ntoo vim tias kev sib cuag nrog dej thiab poob qhov qub tawv thiab tawv.