IQF Frozen Ntev Ntsuab taum

Cov txheej txheem tsim khoom ntawm IQF Frozen Long Green Bean yog qib siab thiab nyuaj, txhawm rau tswj kom muaj txiaj ntsig zoo thiab noj zaub mov zoo ntawm taum mus rau qhov loj tshaj plaws.

Kev xaiv ntawm cov khoom siv raw yog qhov tseem ceeb. Tshiab, sib tw, tsis muaj fiber ntau, ci ntsa iab hauv eco-phooj ywg, tsis muaj kab tsuag, tsis muaj chaw, thiab taum ntev ntev tau hu rau. Qhov ntev zoo meej yog 15-20 cm, uas tso lub hauv paus rau kev ua haujlwm zoo hauv kev tuav tom qab.

Nyob rau hauv cov txheej txheem ntxuav, cov taum yog tsis tu ncua rinsed nrog ib tug loj npaum li cas ntawm cov dej khiav kom tshem tawm thaj tsam thaj tsam ntawm plua plav, plua plav, thiab tej zaum yuav residual chemical contaminations. Yog tias xav tau, lawv tuaj yeem tsau rau ib lub sijhawm luv luv los pab tshem tawm cov tawv nqaij tawv, thiab tom qab ntawd ntws tawm tag nrho los lav qhov huv si ntawm cov khoom siv raw.

Cov txheej txheem txiav yog ua raws li cov khoom xav tau. Feem ntau ntawm lawv khaws tag nrho daim ntawv keeb kwm. Yog tias muaj qhov tshwj xeeb tshwj xeeb, lawv tuaj yeem txiav rau hauv 5-10 cm sectors. Thaum txo qis, xyuas kom meej tias qhov kev txiav kom huv si thiab qhov loj me yog qhov tseeb, uas yog qhov tsim nyog rau cov cua sov hauv tsev thaum lub caij txias ceev.

Cov txheej txheem blanching yog xaiv tau tab sis tseem ceeb heev. Cov taum yog muab tso rau hauv dej kub npau npau ntawm 95-100 degree rau 1-2 feeb kom nrawm nrawm tsis ua haujlwm enzyme, tiv thaiv oxidation thiab discoloration ntawm cov taum, thiab tshem tawm qee qhov kev nyiam nyoos. Tom qab ntawd lawv muab tso rau hauv dej txias kom txias thiab ua kom lub nkig thiab kev sib tw.

Nkag mus rau hauv lub caij txias sai, lub tshuab nqus dej ua kom ceev ceev yog siv los ua kom qhov kub thiab txias ntawm -30 degree rau -40 degree, kom ntseeg tau tias cov dej hauv cov taum tau khov sai sai rau hauv cov dej khov zoo. los tiv thaiv lub cell moj khaum. Tag nrho cov taum yuav siv sij hawm ib ncig ntawm 10-15 feeb kom khov, thiab ntu txiav yuav siv sij hawm 8-12 feeb. Thaum kawg, nws yog cov khoom ntim thiab khaws cia.

Tom qab txias ceev, nws tau ntim tam sim nrog cov ntaub ntawv pov thawj noo noo thiab oxygen-pov thawj yas zaj duab xis. Lub tshuab nqus tsev ntim ntim tau zoo dua. Nws muab tso rau hauv qhov chaw txias txias hauv qab no -18 degree . Qhov kub thiab av noo raug tshuaj xyuas ib ntus kom ntseeg tau tias qhov zoo tshaj plaws nyob rau hauv kev pab cuam lub neej ntawm 12-24 hli.