Lub tshuab ziab khaub ncaws rau matsutake nceb yog siv los tshem tawm cov dej noo ntawm cov nceb thaum khaws cia lawv cov tsw, kev ntxhib los mos, thiab khoom noj muaj txiaj ntsig. Lub tshuab no siv cov tshuab ua kom khov thiab lub tshuab nqus tsev vacuum kom evaporate noo noo los ntawm cov nceb ntawm qhov kub thiab txias, ua rau cov khoom kawg uas yog lub teeb yuag thiab muaj lub neej txee ntev.
Cov txheej txheem khov-drying rau cov nceb matsutake muaj ob peb kauj ruam:
1. Kev Tu: Matsutake nceb yog ntxuav thiab txiav kom tshem tawm cov av, khib nyiab lossis qhov tsis xav tau.
2. Pre-freezing: Cov nceb tau muab tso rau hauv ib lub tais thiab muab tso rau hauv lub freezer kom khov ua ntej cov nceb.
3. Kev ziab thawj zaug: Cov nceb ua ntej khov yog tom qab ntawd thauj mus rau hauv lub freeze-drying chamber, qhov twg qhov kub thiab txias yog nyob ib ncig ntawm -50 degree . Tom qab ntawd lub tshuab nqus tsev twj tso kua mis yog qhib, uas tsim ib qho chaw uas tsis tshua muaj siab uas tso cai rau cov dej khov rau sublimate, los yog evaporate ncaj qha los ntawm cov khoom hauv lub xeev mus rau hauv cov pa roj.
4. Secondary drying: Tom qab thawj qhov ziab, yuav tsum tau ua kom qhuav theem thib ob, qhov kub thiab txias tau nce me ntsis, thiab lub siab txo qis ntxiv kom tshem tawm cov dej seem seem.
5. Ntim: Thaum qhuav tag, cov nceb matsutake tau ntim rau hauv cov thawv airtight kom lawv cov freshness thiab tsw.
Freeze-drying matsutake nceb yog ib txoj hauv kev zoo rau kev khaws cia lawv cov tsw thiab aroma, nrog rau kev ua kom lub neej ntev. Cov khoom tsim tau yog lub teeb yuag, ua rau nws yooj yim rau khaws thiab thauj. Hom tshuab no feem ntau siv rau hauv kev lag luam ua zaub mov kom khaws tau ntau yam khoom noj, suav nrog txiv hmab txiv ntoo, zaub, nqaij, thiab nqaij nruab deg.
