Preservatives - dab tsi yog qhov no?

Nyob rau hauv niaj hnub khw yuav nrhiav tau ib tug loj tus naj npawb ntawm cov khoom uas muaj ib tug zoo nkauj saib thiab qab ntxiag aroma. Nco ntsoov hais tias muaj ntau yam ntawm lawv muaj preservatives. Cov no yog cov tshuaj uas ua rau kom lub txee lub neej ntawm cov khoom.

notion

Txhua yam khoom yuav raug kev puas tsuaj. Nyob rau hauv txhua protein, xws dab tshwm sim uas ua lub uselessness ntawm cov khoom. Cov kev hloov nyob rau hauv lub tshuaj nyob tus yeees thiab cov qauv ntawm ib tug protein yog hu ua autolysis. Cov theem kawg yog nws putrefaction, decomposition thiab ntxiv txaus nyob rau hauv lub voj voog ntawm teeb meem nyob rau hauv cov xwm.

Qhov no yuav tsis tau raws li ceev ceev, yog hais tias tus khoom muab tso rau hauv lub freezer. Tab sis txij thaum nws tsis ib txwm ua hauj lwm, ces siv preservatives. Cov no yog cov Cheebtsam tsim nyog mus cuag tus lub txee lub neej ntawm cov khoom. Cov txheej txheem yog tiav ntawm hluav microflora. Cov zaub mov txawv nyob rau hauv saj.

Muaj ntau cov khoom muaj ib tug preservative. Lus Txhais ntawm no lub tswvyim yog ib txwm ib tug, txawm tus yeeb tshuaj tej zaum yuav nyob rau hauv nws muaj pes tsawg leeg. Yav tas los tsuas yog siv tej yam ntuj tso additives, xws li ntsev, vinegar, qab zib. Vim txoj kev loj hlob ntawm lub lag luam muaj ib tug xav ntawm khaws cia zaub mov uas tsis hloov nws saj. Yog li ntawd tam sim no thov kev pab thiab hluavtaws preservatives. Cov no yog cov dag cov ntaub ntawv uas txhim kho lub zog ntawm cov khoom no.

hom ntawm additives

Lub additives yog faib nyob rau hauv lub EU codification system nyob qhov twg txhua yam khoom muaj ib tug Performance index (E200-E297). Cheebtsam muaj sib txawv los rau cov khoom siv. Ib txhia yog siv nyob rau hauv lawv cov muaj pes tsawg leeg, thiab lwm tus neeg tsuas ua lub txheej ib feem.

Kev txiav txim ntawm cov zaub mov preservatives tso cai rau koj mus faib rau lawv mus rau:

• Khoom cua.
• Ntuj.

Qhov thib ob kuj yog tsis tag txawm rau tib neeg. Piv txwv li, ntsev nyob rau hauv loj qhov ntau tseem muaj feem xyuam rau cov tib neeg mob. Yog li ntawd txawm additives yog cov neeg uas yog siv nyob rau hauv ntsis ntau. Qhov no kuj siv rau hluavtaws cheebtsam. Ib txhia cawv thaum lawv tau muaj kev ruaj ntseg.

teeb meem additives

Tab sis ntawm cov additives yog cov tshuaj uas ua rau zoo kawg raug mob rau tib neeg. Nyob rau hauv tej lub teb chaws, lawv yog categorically txwv tsis pub. Cov muaj xws li:

• Benzoate (E211, E216, E217). Lawv yog cov nyob rau hauv cov khoom muag nyob rau hauv hnab yas ntim. Tshuaj yuav ua rau mob hawb pob thiab ua xua.
• Sodium nitrite (dyes) yog heev tshuaj lom Cheebtsam. Lawv yuav siv los tiv thaiv txoj kev loj hlob ntawm botulism spores, uas yog xam tau tias yog yus preservatives.
• Antioxidants (ntaub thaiv npog cov khoom los ntawm oxidation). No kev siv lecithin, tocopherol, citric, ascorbic acid. Tab sis muaj hluavtaws antioxidants uas yog ib feem ntawm smoked hnyuv ntxwm, zaub, butter, qhuav txiv hmab txiv ntoo.

Yuav ua li cas los tsim?

Tag nrho preservatives - nws yog acid, vim hais tias nrog lawv cov kab mob yuav tsis ciaj sia. Tsuas yog lawv yuav tsum tau tso cai rau siv nyob rau hauv khoom noj khoom haus kev lag luam. Cov no muaj xws acetic acid ntsev thiab benzoic acid. Additives tsim los ntawm tshuaj synthesis. Qhov no ua hauj lwm yog ua heev dua lwm yam nyob rau hauv muaj menyuam tsis taus tej yam kev mob.

Heev tsis tshua manufacturers siv tsuas yog ib preservative. Mixtures kheev siv tsw enhancers thiab preservatives Cheebtsam. Tej yam muaj nyob rau hauv ntau cov khoom uas muaj muag nyob rau cov khw muag niaj hnub no.

Los ntawm tej yam ntuj tso additives li no, ntsev, zib ntab, qab zib, vinegar. Lawv yog siv nyob rau hauv lub tsev thaum ua noj ua haus. Tab sis qhov qhuav unprofitable, vim hais tias nrog lawv tsis yog yooj yim mus nrhiav tau ib tug nruab nrab saj thiab cuag txee lub neej. Uas yog vim li cas cov zaub mov nrog preservatives muaj muag nyob rau cov khw muag rau ib ntev lub sij hawm thiab nws tsis lwj. Buyers yuav tsum tau xaiv tsuas yog cov khoom nyob rau hauv uas yog ib tug muaj kev ruaj ntseg ntxiv.