Yav dhau los, cov khob ntawv pov tseg tsuas yog raug rau cov qauv kev lag luam thiab tsis muaj lub teb chaws tus qauv. Lub teb chaws tus qauv tshiab (GB / T 27590-2011) tsim kom muaj kev nruj dua txog cov khoom siv raw, cov khoom siv ntxiv, ntim, thiab luam ntawv rau cov khob ntawv, yog li tiv thaiv cov neeg siv khoom nyab xeeb.
Cov lus ceeb toom tshwj xeeb yog kev taw qhia - thawj zaug - ntawm cov kev cai tshwj xeeb hais txog kev tso chaw luam ntawv. Tus txheej txheem tau teev tseg tias cov qauv luam tawm ntawm sab nrauv ntawm lub khob yuav tsum muaj cov qauv meej meej, cov xim tsis sib xws, thiab tsis muaj qhov pom tseeb xim blemishes; Txawm li cas los xij, nws tau hais meej meej tias "tsis muaj luam ntawv yuav tsum tshwm sim hauv 15 hli ntawm lub khob ntug lossis hauv 10 hli ntawm lub khob hauv qab."
"Kev txwv tsis pub luam tawm ze ntawm lub khob ntug yog qhov kev tiv thaiv rau cov neeg siv khoom," said Dong Jinshi, Tus Lwm Thawj Coj thiab Tus Tuav Ntaub Ntawv -General ntawm International Food Packaging Association. Nws tau sau tseg tias, tam sim no, Tuam Tshoj tsis muaj lub tswv yim zoo ntawm "khoom noj- qib number case," thiab tsis muaj cov ntawv luam tawm hauv tsev uas tau lees paub rau kev sib cuag nrog zaub mov. Thaum ib tug neeg haus dej, lawv daim di ncauj los rau hauv kev sib cuag nrog lub khob ntug; Yog li ntawd, tus cwj mem los ntawm cov qauv luam tawm hauv cheeb tsam no tuaj yeem muaj peev xwm noj tau -ib qho kev pheej hmoo tshwj xeeb rau kev noj qab haus huv nyob rau hauv rooj plaub ntawm benzene- raws li inks. Tsis tas li ntawd, thaum lub khob ntim ua ke, cov qauv luam tawm hauv qab ntawm lub khob tuaj yeem yooj yim rub tawm mus rau sab hauv phab ntsa ntawm lub khob hauv qab nws; vim li no, kev luam ntawv kuj tseem txwv tsis pub nyob hauv qab ntawm lub khob.
