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Ekupakisheni kwe-nitrogen, ukwakheka komoya ngaphakathi kwesitsha kuyalungiswa, ngokuvamile ngokufaka i-nitrogen esitsheni ukuze kuthathe indawo noma kuncishiswe ukugcwala komoya-mpilo. Inhloso yalokhu ukunciphisa ukusabela kwe-oxidation kanye nokukhula kwamagciwane, ngaleyo ndlela kwandise impilo yokudla eshalofini.
Isimiso sokupakisha i-nitrogen ukunciphisa ukugcwala kwe-oxygen ekudleni ngokususa noma ukunciphisa ukuba khona kwe-oxygen, ngaleyo ndlela kunciphise inqubo yokubola kokudla. I-nitrogen iyigesi engasebenzi kahle engasabeli ngamakhemikhali ekudleni futhi engathinti ukunambitheka kanye nokuthungwa kokudla.
Ngokupakishwa kwe-nitrogen, ukudla kungagcinwa kusha futhi kunambitheke kahle, futhi ukwehla kwekhwalithi yokudla kungancishiswa. Lobu buchwepheshe bokupakisha busetshenziswa kabanzi emikhiqizweni yokudla ehlukahlukene efana nenyama, izithelo, imifino, ukudla okumnandi, imikhiqizo yobisi kanye nama-pastries.
Kufanele kuqashelwe ukuthi ukupakishwa kwe-nitrogen akubhubhisi amabhaktheriya noma ama-microorganism asevele ekhona ekudleni, kubambezela ukukhula kwawo kanye nokubola kwawo ngokulungisa isimo sezulu. Ngakho-ke, uma usebenzisa ukupakishwa kwe-nitrogen, kusadingeka ukunaka ukuphathwa kokudla okuhlanzekile kanye nezimo zokugcina ezifanele ukuqinisekisa ukuphepha kanye nekhwalithi yokudla.

Iyini ithonya eliqondile lokupakisha i-nitrogen empilweni yokudla eshalofini?

1. Vimbela ukusabela kwe-oxidation: ukupakishwa kwe-nitrogen kunciphisa ukusabela kwe-oxidation ngokunciphisa ukugcwala kwe-oxygen ephaketheni kanye nokunciphisa ukuthintana kwe-oxygen ekudleni. Ukusabela kwe-oxidation kungenye yezimbangela eziyinhloko zokonakala kokudla kanye nokuwohloka kwekhwalithi, njengokushintsha kwe-oxidation yamafutha kanye nokushintsha kwe-pigment ekudleni. Ngokuvimbela ukusabela kwe-oxidation, ukupakishwa kwe-nitrogen kungandisa impilo yokudla eshalofini.

2. Lawula ukukhula kwamagciwane: Ukupakishwa kwe-nitrogen kunganciphisa inani lomoya-mpilo ngaphakathi kwephakeji, ngaleyo ndlela kunciphise ukukhula kwamagciwane anjengebhaktheriya, isikhunta kanye nemvubelo. Lawa magciwane angenye yezinto eziyinhloko eziholela ekonakaleni nasekuboleni kokudla. Ngokulawula ukukhula kwamagciwane, ukupakishwa kwe-nitrogen kusiza ukwandisa impilo yokudla eshalofini.

3. Gcina isakhiwo sokudla kanye nokuthungwa: Ukupakishwa kwe-nitrogen kungagcina isakhiwo kanye nokuthungwa kokudla, kuvimbele ukudla ukuthi kungacindezelwa, kukhubazeke noma kuthambe ngesikhathi senqubo yokupakishwa. Lokhu kudlala indima ebalulekile ekugcineni ukubukeka, ukuthungwa kanye nekhwalithi yokudla okuthile njengokudla okucrispy, ama-pastries, njll.

4. Vimbela ukuwohloka kwezinto ezithinta umoya-mpilo: Okunye ukudla kuqukethe izinto ezithinta umoya-mpilo, njengevithamini, ama-anthocyanins, njll. Ukupakishwa kwe-nitrogen kunganciphisa ukugcwala komoya-mpilo ekudleni futhi kunciphise izinga lokugcwala kwalezi zinto, ngaleyo ndlela kugcinwe izakhamzimba nombala ekudleni.

Ukupakishwa kwe-nitrogen akususi amagciwane akhona kakade noma kwandise impilo yokudla kuze kube phakade. Ezinye izinto, njengokusha kokudla, ukuphathwa kwenhlanzeko, izinga lokushisa lokugcina, njll., zisenomthelela obalulekile empilweni yokugcina ukudla. Ngakho-ke, uma usebenzisa ukupakishwa kwe-nitrogen, kusadingeka ukuhlanganisa izindlela ezifanele zokuphatha ukudla kanye nokugcina ukudla ukuqinisekisa ukuphepha kanye nekhwalithi yokudla.

Yiziphi izinhlobo zokudla ezifanelekela ukupakishwa kwe-nitrogen?

1. Inyama nenkukhu entsha: Ukupakishwa kwe-nitrogen kwandisa isikhathi sokuphila kwenyama nenkukhu entsha, njengenyama yenkomo, ingulube, iwundlu, inkukhu, inhlanzi, njll. Kuvimbela ukubola kanye nokukhula kwamagciwane, kugcina ubumnandi kanye nokunambitheka kwenyama.

2. Ukudla kwasolwandle nemikhiqizo yasemanzini: ukupakishwa kwe-nitrogen kungandisa isikhathi sokuphila kwemikhiqizo yasolwandle neyasemanzini, njengezinhlanzi, ama-shrimp, ama-shellfish, ama-crab, njll. Kunciphisa inqubo yokubola futhi kugcina ubusha nokunambitheka kokudla kwasolwandle.

3. Izithelo nemifino: Ukupakishwa kwe-nitrogen kungandisa isikhathi sokuphila kwezithelo nemifino, njenge-apula, amapheya, ama-strawberry, amagilebhisi, utamatisi, ilethisi, njll. Kunciphisa ukukhula kwe-oxidation kanye nama-microbial, futhi kugcina umbala, ukunambitheka kanye nenani lokudla okunempilo kwezithelo nemifino.

4. Ukudla okuphekiwe nokucutshunguliwe: Ukupakishwa kwe-nitrogen kufaneleka kuzo zonke izinhlobo zokudla okuphekiwe nokucutshunguliwe, njenge-ham, amasoseji, imikhiqizo yenyama edliwayo, imikhiqizo yobisi, isinkwa, amakhekhe, njll. Kungandisa isikhathi sokuphila kwalokhu kudla futhi kugcine ukuthungwa nokunambitheka kwakho.

5. Amantongomane nezithelo ezomisiwe: Ukupakishwa kwe-nitrogen kwandisa isikhathi sokuphila kwamantongomane nezithelo ezomisiwe njenge-walnuts, ama-alimondi, ama-cashew, ama-raisin, njll. Kunciphisa i-oxidation kanye nokubola, kugcina ubusha kanye nokunambitheka kwamantongomane nezithelo ezomisiwe.

Ingabe ukupakishwa kwe-nitrogen kunethonya elithile enanini lokudla okunomsoco?

I-Modified Atmosphere Packaging (MAP) ayinawo umthelela omkhulu enanini lokudla okunomsoco, ikakhulukazi ngokwandisa isikhathi sokudla ukuze kulondolozwe ukuzinza kwayo kwezakhamzimba.
Nazi ezinye izinto ezibalulekile mayelana nomthelela wokufakwa kwe-nitrogen enanini lokudla okunomsoco:

1. Gcina izakhamzimba: Ukupakishwa kwe-nitrogen kunganciphisa ijubane lokusabela kwe-oxidation ekudleni futhi kunciphise izinga le-oxidation lamavithamini nezinye izakhamzimba. Lokhu kusiza ukugcina izakhamzimba ekudleni zizinzile futhi kwandise isikhathi sazo sokuphelelwa yisikhathi.

2. Gcina imibala enemibala yemvelo: Okunye ukudla kuqukethe imibala yemvelo, njengaleyo etholakala ezithelweni nasemifino. Ukupakishwa kwe-nitrogen kunganciphisa imiphumela yokusabela kwe-oxidation kulezi mibala, kugcine umbala nokubukeka kokudla.

3. Gcina ukunambitheka nokuthungwa kokudla: Ukupakishwa kwe-nitrogen kungagcina ukuthungwa nokunambitheka kokudla, kuvimbele ukudla ukuthi kungacindezelwa, kukhubazeke noma kuthambe ngesikhathi senqubo yokupakishwa. Lokhu kudlala indima ebalulekile ekugcineni ukunambitheka kanye nekhwalithi yokudla okuthile.

Iyini imiphumela ethile yokupakishwa kwe-nitrogen ekunambithekeni nasekuthungeni kokudla?

1. Gcina ukudla kuqinile futhi kuqinile: Kokunye ukudla okuqinile okufana nama-potato chips, amabhisikidi, inkukhu ethosiwe eqoshiwe, njll., ukupakishwa kwe-nitrogen kungakwenza kuqine futhi kuqine. Ngokunciphisa ukugcwala komoya-mpilo ngaphakathi kwephakeji, ukupakishwa kwe-nitrogen kunganciphisa ukusabela kwe-oxidation ekudleni, kuvimbele ukudla ukuthi kuthambe noma kulahlekelwe ukunambitheka kwako okuqinile.
2. Gcina umswakama nokuqina: Kokunye ukudla okumanzi nokuqinile, njengemikhiqizo yenyama ephekiwe, imikhiqizo yobisi, amakhekhe, njll., ukupakishwa kwe-nitrogen kusiza ukugcina kumanzi futhi kuqinile. Ngokulawula umoya ongaphakathi kwephakeji, ukupakishwa kwe-nitrogen kunganciphisa ukusabela kwamanzi okuhwamuka kanye nokushiswa kwe-oxidation futhi kugcine ukunambitheka kokudla okumanzi.
3. Vimbela ukucindezelwa kanye nokushintsha kwesimo: Ukupakishwa kwe-nitrogen kungavikela isimo kanye nesakhiwo sokudla ngezinga elithile. Kunganciphisa okuqukethwe komoya-mpilo ephaketheni futhi kunciphise umthelela womoya-mpilo ekudleni, ngaleyo ndlela kugweme ukuthi ukudla kucindezelwe, kukhubazeke noma kuthambe ngesikhathi senqubo yokupakishwa.
4. Gcina ukuzinza komuzwa womlomo: Ukupakishwa kwe-nitrogen kusiza ukugcina ukuzinza kokunambitheka kokudla. Ngokunciphisa ijubane lokusabela kwe-oxidation kanye nokukhula kwamagciwane ekudleni, ukupakishwa kwe-nitrogen kungabambezela ukubola kanye nokwehla kwekhwalithi yokudla, ngaleyo ndlela kugcinwe ukuhambisana nokuzinza kokunambitheka kokudla.

Ngicela ungazise ngezidingo zakho ezithile, ngizimisele ukunikeza ulwazi olwengeziwe.

Ozithobayo
Xhumana: Lyan.Ji
Email: Lyan.ji@hznuzhuo.com
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