Nkag siab txog Cov Khoom Noj Dawb-Dried Raw
Freeze-drying yog txheej txheem uas tshem tawm yuav luag tag nrho cov dej noo los ntawm cov khoom noj nyoos, khaws cia lawv cov as-ham, kev ntxhib los mos, thiab tsw. Cov txheej txheem cuam tshuam nrog kev khov cov zaub mov thiab tom qab ntawd txo qhov siab nyob ib puag ncig kom cia cov dej khov hauv cov zaub mov kom sublimate ncaj qha los ntawm cov theem khoom mus rau theem roj. Qhov tshwm sim yog lub teeb yuag, khoom noj khoom haus ruaj khov nrog lub neej txee ntev, ua rau nws zoo tagnrho rau kev npaj thaum muaj xwm txheej ceev, mus pw hav zoov, lossis kev yooj yim txhua hnub.
Txawm li cas los xij, vimcov khoom noj khov-qhuavmuaj cov ntsiab lus tsis tshua muaj dej noo, lawv yog cov hygroscopic heev, txhais tau tias lawv yooj yim nqus dej los ntawm huab cua. Qhov no ua rau kev cia khoom tsim nyog los tiv thaiv kev lwj thiab tswj kom zoo.
Xaiv Cov Thawv Zoo Zoo
Thawj kauj ruam hauv kev khaws cia cov khoom noj khov-qhuav qhuav yog xaiv cov thawv kom raug. Nov yog qee qhov kev xaiv:
- Nqus-Sealed Bags: Nqus-sealed hnab yog zoo heev rau kev cia mus ntev. Los ntawm kev tshem tawm cov huab cua los ntawm lub hnab, koj txo qhov raug oxygen thiab noo noo, uas tuaj yeem ua rau cov zaub mov tsis zoo. Siv lub tshuab nqus tsev vacuum kom tau txais txiaj ntsig zoo tshaj plaws, thiab xav txog kev ntxiv cov pa oxygen absorbers rau kev tiv thaiv ntxiv.
- Mylar Bags nrog Oxygen Absorbers: Mylar hnab paub txog lawv cov khoom ua haujlwm ntev thiab cov khoom thaiv zoo heev, ua rau lawv muaj kev xaiv nrov rau khaws cia cov khoom noj khov. Cov pa oxygen absorbers hauv lub hnab pab tshem tawm cov pa oxygen seem, txuas ntxiv lub neej txee. Muab cov hnab ntim nruj nreem siv lub tshav kub sealer.
- Airtight Containers: Rau lub sij hawm luv luv los yog siv txhua hnub, cov thawv airtight ua los ntawm iav los yog BPA-dawb yas yog ib qho kev xaiv zoo. Lawv muab kev nkag tau yooj yim rau cov zaub mov thaum tseem tiv thaiv nws los ntawm ya raws thiab huab cua. Xyuas kom lub hau kaw kom nruj kom tsis txhob muaj cua nkag.
Qhov zoo tshaj plaws kev cia khoom
Txhawm rau kom ua tiav lub neej txee thiab qhov zoo ntawm koj cov khoom noj khov-qhuav qhuav, khaws cia rau hauv cov xwm txheej zoo:
- Txias, Tsaus Qhov Chaw: Khaws cov khoom noj khov-qhuav hauv qhov chaw txias, tsaus, kom deb ntawm tshav ntuj ncaj qha, qhov chaw tshav kub, thiab cov av noo siab. Qhov zoo tshaj plaws cia kub yog qis dua 70 degree F (21 degree). Kev kub siab tuaj yeem ua rau cov zaub mov degrade sai dua.
- Ib puag ncig ruaj khov: Tsis txhob khaws cia cov khoom noj khov-qhuav hauv cov cheeb tsam uas muaj qhov kub thiab txias, vim qhov no tuaj yeem ua rau cov khoom ntim hauv cov thawv, ua rau cov zaub mov lwj. Ib puag ncig zoo sib xws pab tswj cov khoom noj kom zoo.
- Tsawg Humidity: Cov av noo yog tus yeeb ncuab loj tshaj ntawmcov khoom noj khov-qhuav. Txawm tias me me ntawm cov dej noo tuaj yeem ua rau cov zaub mov poob nws qhov nkig thiab ua rau muaj kev lwj. Hauv thaj chaw uas muaj cov av noo siab, xav txog kev siv lub dehumidifier lossis silica gel pob ntawv hauv koj qhov chaw cia.
Saib xyuas thiab tuav koj cov Tshuag
Kev cia kom zoo kuj tseem muaj kev saib xyuas tsis tu ncua kom ntseeg tau tias koj cov khoom noj khov-qhuav nyob rau hauv qhov zoo:
- Tshawb xyuas cov cim qhia ntawm noo noo: Tshawb xyuas koj lub thawv ntim khoom ib ntus kom paub meej tias muaj cov cim qhia ntawm noo noo, xws li condensation lossis hloov pauv hauv kev ntxhib los mos. Yog tias koj pom ib qho twg, siv cov khoom noj uas cuam tshuam tam sim ntawd lossis muab pov tseg yog tias nws pom tias muaj kev puas tsuaj.
- Label thiab Rotate: Sau koj cov thawv nrog hnub tim ntawm kev cia thiab cov khoom. Qhov no pab koj taug qab lub hnub nyoog ntawm koj cov zaub mov thiab xyuas kom koj siv cov khoom qub ua ntej. Tsis tu ncua tig koj cov khoom lag luam kom tswj tau qhov tshiab.
- Smell and Sess Test: Thaum qhib lub thawv, muab cov zaub mov kom hnov thiab saj ib daim me me. Yog tias nws tsw qab los yog saj tsis zoo, nws yuav yog lub sijhawm los hloov nws.
Rehydrating Freeze-Dried Raw Foods
Thaum koj npaj siv koj cov khoom noj khov-qhuav qhuav, rehydration yog txheej txheem yooj yim. Rau cov txiv hmab txiv ntoo thiab zaub, tsau lawv hauv dej rau ob peb feeb kom txog thaum lawv ncav cuag qhov xav tau kev ntxhib los mos. Rau cov nqaij, ua raws li cov lus qhia tshwj xeeb rau kev rov ua dej, vim cov no yuav txawv nyob ntawm seb hom nqaij thiab qhov xav tau siv. Nco ntsoov tias cov khoom noj rehydrated tej zaum yuav tsis muaj qhov zoo ib yam li tshiab tab sis yuav khaws lawv cov khoom noj muaj txiaj ntsig thiab tsw.
