Cov khoom ntim khoom noj:
(1) cov txiaj ntsig ntawm kev khaws cov khoom muaj nqis: zaub mov los ntawm lub teeb, oxygen hauv cov txheej txheem ntawm kev khaws cia, kev txiav txim ntawm enzyme, qhov kub thiab txias yuav ua rau muaj roj oxidation thiab Browning, vitamin thiab protein denaturation, pigment decomposition, noo noo nqus thiab microbial pollution thiab lwm yam teeb meem, yog li cov khoom ntim tuaj yeem tswj tau plaub yam saum toj no ua ntej kom ntev lub neej txee ntawm cov zaub mov, kom cov khoom noj khoom haus zoo thiab zoo. Qhov no kuj yog qhov tseem ceeb tshaj plaws thiab tseem ceeb ntawm kev ntim khoom noj.
(2) Kev khaws cia thiab kev thauj mus los yooj yim: Vim muaj qhov sib txawv ntawm cov khoom siv raw, txhua yam khoom noj khoom haus tau yooj yim raug nyem rau hauv cov txheej txheem ntawm kev thauj mus los, kev sib tsoo thiab lwm yam cuam tshuam ua rau cov zaub mov tsis zoo. Yog li kev ntim khoom sib txawv rau cov zaub mov hauv txoj kev thauj mus los los muab qee yam kev tiv thaiv tsis zoo, xws li cov khoom siv hluav taws xob tsis zoo ntawm cov kaus poom, yog cov zaub nrog corrugated box tsis ua haujlwm, thiab zoo li peb cov thermal shrinkage film ntim, vim nws cov ntim compact, piv nrog lwm cov ntim ntau qhov chaw txuag thiab siv dav.
(3) Txhawb kev muag khoom: Thaum peb pom ntau yam khoom noj hauv khw muag khoom, peb tsis tsuas yog tsom mus rau qhov zoo ntawm cov khoom, tab sis kuj yog cov ntim khoom noj yuav nyiam cov neeg siv khoom rau qee yam. Peb nyiam yuav cov khoom noj uas ntim zoo nkauj dua li cov ntim tsis zoo. Ua piv txwv, vim li cas cov txiv maj phaub txiv maj phaub kua txiv hmab txiv ntoo tuaj yeem muaj txiaj ntsig zoo hauv kev sib tw ntawm cov khoom zoo sib xws, ntxiv rau nws cov khoom zoo, tab sis kuj muaj ntau lub tswv yim ntawm kev ntim khoom (nws lub ntim cov txiv maj phaub mis nyuj yog me ntsis zoo li peb cov ntawv tshaj tawm me me los ntawm txoj kev, lub hom phiaj yog los qhia ib qho tseem ceeb: cov txiv maj phaub mis nyuj ntshiab)
(4) Kev txhawb nqa tus nqi ntawm cov khoom: Nws yog qhov pom tseeb tias cov khoom ntim khoom muaj nqi siab dua, cov khoom noj tib yam, ntim khoom yuav muab tus nqi ntxiv rau cov khoom. Los ntawm lwm qhov kev xav, nyob rau hauv xyoo tas los no, kuj tseem tau muab tso rau hauv kev ntim ntau dhau, thiab hauv cov txheej txheem tsim khoom noj tau them nyiaj ntau dhau rau kev ntim khoom noj (cov ncuav qab zib hli thiab lwm yam khoom plig ua koob tsheej), uas tseem tsim nyog peb xav txog qhov teeb meem.
