Frozen tsuav Celery

Cov khoom siv yooj yim xaiv thiab pretreatment
Cov kev xaiv xaiv xaiv tshiab, nkig, tsis muaj kab mob thiab kab mob, thiab tsis muaj nplooj daj thiab rotten. Muaj ntau ntau yam kev xaiv ntawm celery, xws li western celery thiab celery, uas yuav siv tau los tsim ice diced celery. Western celery muaj loj thiab tuab stems thiab nkig qauv, thaum celery muaj ib tug khoom tsw. Xaiv qhov kev xaiv zoo tshaj plaws raws li cov khoom muag thiab kev lag luam xav tau. Feem ntau, qhov loj ntawm celery yog hu ua rau hais txog 30-50 centimeters, thiab qhov loj ntawm qia yog nyob nruab nrab ntawm 1-3 centimeters. Ntxuav Cov celery nrog cov dej ntws loj heev kom tshem tawm cov plua plav, cov pa phem, tshuaj lom neeg, thiab lwm yam sab nraud. Koj tuaj yeem siv kev sib xyaw ua ke ntawm saturating thiab txau.

Ua ntej, saturate lub celery nyob rau hauv dej huv si rau {{0}} feeb kom tag nrho saturate thiab loosen cov impurities xws li plua plav, thiab ces ntxuav nws ntau nrog ib tug high-pressure spray gadget. Them tshwj xeeb tsom rau kev ntxuav cov creases ntawm celery stems thiab qhov chaw nruab nrab ntawm nplooj kom paub tseeb tias lawv huv. Txiav thiab tshem tawm nplooj (yeem). Txiav txim siab seb puas yuav khaws cov nplooj celery raws li cov khoom xav tau. Yog hais tias tsuas yog celery stems yuav tsum tau, cov nplooj poob tuaj yeem raug tshem tawm. Tom qab tshem tawm cov nplooj, txo cov celery stalks rau hauv qhov ntev, ib txwm li ntawm 20-30 centimeters, rau tom ntej dicing. Cov dices feem ntau yog cubes nrog ib sab ntev ntawm 0.5-1 centimeters, uas yooj yim rau siv hauv kev npaj zaub mov thiab lwm yam xwm txheej. Dicing tuaj yeem ua los ntawm cov tshuab dicer lossis los ntawm tes. Mechanical dicer muaj txiaj ntsig zoo thiab tuaj yeem ua rau qee qhov sib xws, uas tsim nyog rau kev tsim khoom loj;

hands-on dicer tuaj yeem tswj cov duab zoo thiab sab saum toj zoo, tab sis tsis tshua muaj txiaj ntsig. Blanching (yeem) Lub hom phiaj tseem ceeb ntawm paling celery yog tshem tawm cov enzymes uas tuaj yeem tsim cov kev hloov pauv tsis xav tau hauv qhov ntxoov ntxoo, tsw, thiab cov khoom noj khoom haus hauv web thaum lub caij txias thiab khaws cia. Tsis tas li ntawd, paling pab kom mellow tawm cov nqaij nyoos ntawm celery, uas ua rau cov khoom qab zib thiab sib tw. Cov txheej txheem txheej txheem. Muab cov celery diced rau hauv dej npau npau rau 1-2 feeb. Lub sij hawm ntev dhau lawm yuav ua rau cov celery muag muag heev thiab poob ntau cov as-ham; kuj luv luv ib lub sij hawm yuav yeej tsis ua kom tiav qhov kev cia siab enzyme passivation cuam tshuam. Tom qab blanching, sai sai tshem tawm cov celery cubes thiab txias lawv nyob rau hauv dej txias. Qhov no tuaj yeem tiv thaiv qhov sov sov kom tsis txhob ncav cuag cov celery dices, ua kom lawv nkig thiab sib tw thiab muaj xim zoo nkauj. ceev khov. Precooling (yeem).

Ua ntej kom khov sai, cov celery cubes tuaj yeem ua kom sov hauv ib puag ncig {{0}} degree. Precooling tuaj yeem txo qhov kub ntawm cov celery cubes, txo qis kev siv hluav taws xob thaum lub sij hawm txias ceev, thiab pab khaws cia qhov zoo ntawm cov celery cubes thiab ua kom cov dej khov ua kom sib npaug. Cov txheej txheem khov ceev ceev. Tshaj tawm cov pob kws celery ua ntej sib npaug ntawm txoj siv conveyor ntawm cov khoom siv khov kho sai, xws li lub txaj ceev ceev lub freezer los yog kauv ceev fridge freezer. Qhov kub ceev ceev yog feem ntau tswj ntawm ib ncig ntawm -30 degree rau -40 degree . Nyob rau hauv xws li ib tug kub cua kub, cov dej nyob rau hauv lub celery dices yuav sai sai tsim zoo ice crystals, txo kev puas tsuaj rau lub cell qauv. Lub sij hawm khov ceev nws txawv nyob ntawm seb cov duab thiab qhov loj ntawm cov celery cubes thiab qhov ua tau zoo ntawm cov cuab yeej txias ceev. Feem ntau, lub sij hawm txias ceev rau ib lub voos xwmfab ntawm celery nrog ib sab ntev ntawm 0.5-1 cm yuav nyob ib ncig ntawm 10-15 mins. Ntim thiab chaw cia khoom. Ntim. Tom qab ceev ceev khov, ntim yuav tsum tau ua kom sai li sai tau kom tsis txhob muaj cov dej khov nab kuab ntawm cov celery cubes los ntawm sublimating, uas yuav muaj feem cuam tshuam rau cov khoom zoo. Cov khoom ntim tuaj yeem yog cov yeeb yaj kiab yas, cov hnab ntawv aluminium lossis cov thawv ntawv. Cov txheej txheem ntim khoom ib txwm muaj xws li lub tshuab nqus tsev ntim khoom thiab ntim cov khoom kaw tsis tu ncua. Lub tshuab nqus tsev ntim khoom ntim tuaj yeem khaws cov xim zoo, nyiam thiab cov khoom noj ntawm cov celery cubes thiab nthuav cov kev pab cuam lub neej; Cov khoom ntim khoom ntim tsis tu ncua yog qhov yooj yim rau kev khiav, tab sis lub neej ncua yuav luv me ntsis. Qhov chaw cia. Yuav cov ntim dej khov diced celery nyob rau hauv qhov kub thiab txias cia hauv qab no -18 degree . Ntawm qhov ntsuas kub no, celery cubes tuaj yeem khaws cia rau lub sijhawm ntev, thiab lub txee dav dav tuaj yeem mus txog 12-24 hli. Thoob plaws hauv kev cia khoom, niaj hnub tshuaj xyuas qhov kub thiab av noo ntawm lub khw txias kom paub tseeb tias cov teeb meem ecological ua tau raws li qhov xav tau thiab tiv thaiv cov khoom zoo tshaj plaws kev puas tsuaj.