Kev txhim kho ntawm kev lag luam zaub mov tau ua rau muaj kev txhim kho cov khoom noj khoom haus ntxiv.Sodium benzoate qib zaub movyog cov tshuaj preservative uas siv ntev tshaj plaws thiab siv ntau tshaj plaws hauv cov khoom noj. Tab sis nws muaj cov tshuaj lom, yog li Vim li cas sodium benzoate tseem nyob hauv cov khoom noj?
Sodium benzoateyog ib qho tshuaj tua kab mob organic thiab nws cov nyhuv inhibitory zoo tshaj plaws yog nyob rau hauv pH ntau ntawm 2.5 - 4. Thaum pH > 5.5, nws tsis tshua muaj txiaj ntsig tawm tsam ntau pwm thiab yeasts. Qhov tsawg kawg nkaus concentration ntawm benzoic acid yog 0.05% - 0.1%. Qhov lom ntawm nws yog yaj hauv lub siab thaum nws nkag mus rau hauv lub cev. Muaj cov ntawv ceeb toom thoob ntiaj teb ntawm kev lom superimposed los ntawm kev siv ntawmsodium benzoate ua preservativeTxawm hais tias tseem tsis tau muaj kev nkag siab sib koom ua ke, qee lub tebchaws thiab thaj chaw tau txwv tsis pub siv cov khoom noj hauv qab, xws li Tebchaws Meskas, Nyiv Pooj, thiab Hong Kong. Potassium sorbate, uas tsis muaj tshuaj lom, yog siv dav. Vim tias nws cov dej tsis yaj, feem ntau nws ua rau cov dej tsis yaj zoo ntawm sodium benzoate. Nws feem ntau yog siv rau kev khaws cia thiab tiv thaiv pwm hauv cov khoom xws li kua ntses, kua txiv qaub, pickles, thiab dej haus carbonated.
Vim muaj kev txhawj xeeb txog kev nyab xeeb, txawm hais tias ntau lub tebchaws tseem tso cai rau sodium benzoate ua cov tshuaj tiv thaiv ntxiv rau hauv cov khoom noj, qhov kev siv tau dhau los ua qhov nqaim zuj zus thiab qhov ntau ntawm cov khoom ntxiv tau raug saib xyuas nruj me ntsis. Hauv Tebchaws Meskas, qhov siab tshaj plaws uas tso cai siv nws yog 0.1 wt%. Tus qauv kev nyab xeeb zaub mov hauv tebchaws Suav tam sim no GB2760-2016 "Tus qauv rau kev siv cov khoom ntxiv rau zaub mov" teev tseg qhov txwv rau kev siv "benzoic acid thiab nws cov ntsev sodium", nrog rau qhov txwv siab tshaj plaws ntawm 0.2g / kg rau cov dej haus carbonated, 1.0g / kg rau cov dej haus cog thiab 1.0g / kg rau cov dej haus txiv hmab txiv ntoo thiab kua zaub (pulp). Lub hom phiaj ntawm kev ntxiv cov tshuaj tiv thaiv zaub mov yog los txhim kho cov khoom noj kom zoo, ntev lub sijhawm khaws cia, pab txhawb kev ua thiab khaws cov khoom noj muaj txiaj ntsig. Kev ntxiv sodium benzoate raug tso cai thiab muaj kev nyab xeeb tsuav yog nws tau ua raws li ntau hom thiab qhov ntau ntawm kev siv uas lub xeev tau teev tseg.
Lub sijhawm tshaj tawm: Lub Kaum Ob Hlis-05-2022