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Hauv kev ntim khoom siv nitrogen, cov huab cua hauv lub thawv raug kho, feem ntau yog los ntawm kev txhaj nitrogen rau hauv lub thawv kom hloov lossis txo qhov concentration ntawm oxygen. Lub hom phiaj ntawm qhov no yog kom qeeb cov tshuaj tiv thaiv oxidation thiab kev loj hlob ntawm cov kab mob me me, yog li ua kom lub sijhawm khaws cia ntawm cov khoom noj ntev dua.
Lub hauv paus ntsiab lus ntawm kev ntim khoom siv nitrogen yog kom txo qhov concentration ntawm cov pa oxygen hauv cov khoom noj los ntawm kev tshem tawm lossis txo qhov muaj oxygen, yog li ua rau cov txheej txheem lwj ntawm cov khoom noj qeeb. Nitrogen yog cov pa roj inert uas tsis cuam tshuam nrog cov khoom noj thiab tsis cuam tshuam rau qhov saj thiab kev ntxhib ntawm cov khoom noj.
Nrog rau kev ntim khoom siv nitrogen, cov khoom noj tuaj yeem khaws cia kom tshiab thiab saj zoo, thiab txo qhov tsis zoo ntawm cov khoom noj. Cov thev naus laus zis ntim khoom no siv dav hauv ntau yam khoom noj xws li nqaij, txiv hmab txiv ntoo, zaub, khoom noj qab zib, khoom noj mis nyuj thiab ncuav mog qab zib.
Yuav tsum nco ntsoov tias cov ntim nitrogen tsis rhuav tshem cov kab mob lossis cov kab mob me me uas twb muaj nyob hauv cov zaub mov, nws tsuas yog ncua nws txoj kev loj hlob thiab kev puas tsuaj los ntawm kev kho qhov chaw ib puag ncig. Yog li ntawd, thaum siv cov ntim nitrogen, nws tseem tsim nyog yuav tsum tau them sai sai rau kev tuav cov zaub mov huv thiab cov xwm txheej khaws cia kom zoo kom ntseeg tau tias muaj kev nyab xeeb thiab zoo ntawm cov zaub mov.

Qhov cuam tshuam tshwj xeeb ntawm cov ntim nitrogen rau lub txee ntawm cov khoom noj yog dab tsi?

1. Tiv thaiv cov tshuaj tiv thaiv oxidation: cov ntim nitrogen ua rau cov tshuaj tiv thaiv oxidation qeeb los ntawm kev txo cov pa oxygen hauv pob thiab txo cov pa oxygen sib cuag hauv cov zaub mov. Cov tshuaj tiv thaiv oxidation yog ib qho ntawm cov ua rau cov zaub mov puas tsuaj thiab puas tsuaj zoo, xws li cov rog oxidation thiab cov xim hloov pauv hauv cov zaub mov. Los ntawm kev tiv thaiv cov tshuaj tiv thaiv oxidation, cov ntim nitrogen tuaj yeem ua rau cov zaub mov ntev dua.

2. Tswj kev loj hlob ntawm cov kab mob me me: Cov ntim khoom siv nitrogen tuaj yeem txo cov pa oxygen hauv pob khoom, yog li ntawd txwv tsis pub cov kab mob me me loj hlob xws li cov kab mob me me, pwm thiab poov xab loj hlob. Cov kab mob me me no yog ib qho ntawm cov yam tseem ceeb uas ua rau cov zaub mov puas tsuaj thiab lwj. Los ntawm kev tswj kev loj hlob ntawm cov kab mob me me, cov ntim khoom siv nitrogen pab ua kom cov zaub mov ntev dua.

3. Tswj cov qauv thiab cov qauv ntawm cov khoom noj: Cov ntim khoom uas muaj nitrogen tuaj yeem tswj cov qauv thiab cov qauv ntawm cov khoom noj, tiv thaiv cov khoom noj kom tsis txhob raug nias, deformed lossis mos thaum lub sijhawm ntim khoom. Qhov no ua lub luag haujlwm tseem ceeb hauv kev tswj cov tsos, cov qauv thiab qhov zoo ntawm qee yam khoom noj xws li cov khoom noj crispy, ncuav mog qab zib, thiab lwm yam.

4. Tiv thaiv kom tsis txhob muaj kev puas tsuaj ntawm cov khoom uas ua rau cov pa oxygen tsis zoo: Qee cov khoom noj muaj cov khoom uas ua rau cov pa oxygen tsis zoo, xws li cov vitamins, anthocyanins, thiab lwm yam. Kev ntim khoom uas muaj nitrogen tuaj yeem txo qhov concentration ntawm cov pa oxygen hauv cov khoom noj thiab txo qhov oxidation ntawm cov khoom no, yog li ntawd thiaj li tswj tau cov as-ham thiab xim hauv cov khoom noj.

Kev ntim khoom siv nitrogen tsis tshem tawm cov kab mob me me uas twb muaj lawm lossis ncua lub sijhawm khaws cia ntawm cov khoom noj mus tas li. Lwm yam tseem ceeb, xws li qhov tshiab ntawm cov khoom noj, kev tuav pov hwm huv, qhov kub thiab txias cia, thiab lwm yam, tseem muaj feem cuam tshuam tseem ceeb rau lub sijhawm khaws cia. Yog li ntawd, thaum siv cov ntim khoom siv nitrogen, nws tseem tsim nyog los ua ke cov txheej txheem tuav khoom noj thiab khaws cia kom raug kom ntseeg tau tias muaj kev nyab xeeb thiab zoo ntawm cov khoom noj.

Cov khoom noj twg yog cov khoom ntim nitrogen tsim nyog rau?

1. Nqaij tshiab thiab nqaij qaib: Cov ntim nitrogen ua rau lub txee ntev ntawm cov nqaij tshiab thiab nqaij qaib, xws li nqaij nyuj, nqaij npuas, nqaij yaj, nqaij qaib, ntses, thiab lwm yam. Nws tiv thaiv kev oxidation thiab kev loj hlob ntawm cov kab mob, tswj qhov mos thiab saj ntawm cov nqaij.

2. Cov khoom noj hiav txwv thiab cov khoom hauv dej: cov ntim nitrogen tuaj yeem ntev lub txee lub neej ntawm cov khoom noj hiav txwv thiab cov khoom hauv dej, xws li ntses, cw, shellfish, crab, thiab lwm yam. Nws ua rau qeeb qeeb ntawm cov txheej txheem lwj thiab tswj qhov tshiab thiab saj ntawm cov khoom noj hiav txwv.

3. Txiv hmab txiv ntoo thiab zaub: Cov ntim nitrogen tuaj yeem ntev lub txee lub neej ntawm txiv hmab txiv ntoo thiab zaub, xws li txiv apples, pears, strawberries, txiv hmab, txiv lws suav, lettuce, thiab lwm yam. Nws txo qhov oxidation thiab microbial kev loj hlob, thiab tswj cov xim, saj thiab cov khoom noj khoom haus ntawm txiv hmab txiv ntoo thiab zaub.

4. Cov khoom noj uas siav lawm thiab ua tiav lawm: Cov khoom ntim nitrogen no yog tsim rau txhua yam khoom noj uas siav lawm thiab ua tiav lawm, xws li nqaij npua, hnyuv ntxwm, cov khoom noj nqaij deli, cov khoom noj mis nyuj, mov ci, ncuav mog qab zib, thiab lwm yam. Nws tuaj yeem ua kom cov khoom noj no ntev dua thiab tswj tau lawv cov qauv thiab saj.

5. Cov txiv ntoo qhuav thiab cov txiv hmab txiv ntoo qhuav: Cov ntim nitrogen ua rau lub txee ntev ntawm cov txiv ntoo qhuav thiab cov txiv hmab txiv ntoo qhuav xws li txiv ntseej walnuts, almonds, cashews, raisins, thiab lwm yam. Nws qeeb qeeb oxidation thiab rancidity, tswj qhov tshiab thiab saj ntawm cov txiv ntoo qhuav thiab cov txiv hmab txiv ntoo qhuav.

Puas yog cov ntim khoom nitrogen muaj feem cuam tshuam rau cov khoom noj khoom haus?

Kev Ntim Khoom Siv Hloov Kho Huab Cua (MAP) muaj feem cuam tshuam me ntsis rau cov txiaj ntsig ntawm cov khoom noj, feem ntau yog los ntawm kev ncua lub sijhawm khaws cia ntawm cov khoom noj kom tswj tau nws qhov ruaj khov ntawm cov as-ham.
Nov yog qee cov ntsiab lus tseem ceeb txog kev cuam tshuam ntawm cov ntim nitrogen rau cov khoom noj khoom haus muaj txiaj ntsig:

1. Tswj cov as-ham: Cov ntim nitrogen tuaj yeem ua rau qeeb qeeb ntawm cov tshuaj oxidation hauv cov zaub mov thiab txo qhov oxidation ntawm cov vitamins thiab lwm yam as-ham. Qhov no pab ua kom cov as-ham hauv cov zaub mov ruaj khov thiab ntev nws lub txee lub neej.

2. Tswj cov xim thiab cov xim ntuj: Qee cov khoom noj muaj cov xim ntuj, xws li cov uas pom muaj nyob rau hauv cov txiv hmab txiv ntoo thiab zaub. Cov ntim nitrogen tuaj yeem txo cov teebmeem ntawm cov tshuaj oxidation rau cov xim no, tswj cov xim thiab cov tsos ntawm cov khoom noj.

3. Tswj cov saj thiab cov qauv ntawm cov khoom noj: Cov ntim khoom siv nitrogen tuaj yeem tswj cov qauv thiab cov qauv ntawm cov khoom noj, tiv thaiv cov khoom noj kom tsis txhob raug nias, deformed lossis mos thaum lub sijhawm ntim khoom. Qhov no ua lub luag haujlwm tseem ceeb hauv kev tswj cov saj thiab zoo ntawm qee yam khoom noj.

Cov nyhuv tshwj xeeb ntawm cov ntim nitrogen rau ntawm qhov saj thiab kev ntxhib los mos ntawm cov khoom noj yog dab tsi?

1. Tswj kom cov khoom noj crispy thiab crispy: Rau qee cov khoom noj crispy xws li cov qos yaj ywm chips, biscuits, nqaij qaib kib crispy, thiab lwm yam, cov ntim nitrogen tuaj yeem ua rau lawv crispy thiab crispy. Los ntawm kev txo cov pa oxygen hauv pob, cov ntim nitrogen tuaj yeem ua rau qeeb qeeb ntawm cov tshuaj oxidation hauv cov khoom noj, tiv thaiv cov khoom noj kom tsis txhob mos lossis poob nws cov saj crispy.
2. Tswj kom cov dej noo thiab mos: Rau qee yam khoom noj uas ntub thiab mos, xws li cov nqaij siav, cov khoom noj mis nyuj, cov khoom qab zib, thiab lwm yam, cov ntim nitrogen pab ua kom lawv ntub thiab mos. Los ntawm kev tswj cov huab cua hauv pob, cov ntim nitrogen tuaj yeem txo qhov kev ua pa thiab kev ua haujlwm oxidation ntawm dej thiab tswj cov saj ntawm cov khoom noj uas ntub.
3. Tiv thaiv kev hloov pauv ntawm cov duab thiab kev sib txhuam: Cov khoom ntim nitrogen tuaj yeem tiv thaiv cov duab thiab cov qauv ntawm cov khoom noj rau qee yam. Nws tuaj yeem txo cov pa oxygen hauv pob thiab txo qhov cuam tshuam ntawm cov pa oxygen rau cov khoom noj, yog li tiv thaiv cov khoom noj kom tsis txhob raug nias, deformed lossis mos thaum lub sijhawm ntim khoom.
4. Tswj kom qhov ncauj tsis txav mus los ruaj khov: Cov ntim nitrogen pab tswj kom cov saj ntawm cov khoom noj ruaj khov. Los ntawm kev ua kom qeeb qeeb ntawm cov tshuaj oxidation thiab kev loj hlob ntawm cov kab mob hauv cov khoom noj, cov ntim nitrogen tuaj yeem ncua qhov kev puas tsuaj thiab kev puas tsuaj zoo ntawm cov khoom noj, yog li tswj tau qhov sib xws thiab kev ruaj khov ntawm cov saj ntawm cov khoom noj.

Pls qhia rau kuv paub koj qhov kev xav tau tshwj xeeb, kuv txaus siab muab cov ntaub ntawv ntxiv.

Zoo tshaj plaws nrog kev hwm
Tiv tauj: Lyan.Ji
Email: Lyan.ji@hznuzhuo.com
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