Sebenzisa umshini wokupakisha we-vacuum isikhathi esingakanani sokudla okupakishiwe?1

Njalo faka izinzuzo zokusetshenziswa ekudleni, ukuze abantu abaningi bazibuze ukuthi umshini wokupakisha we-vacuum ungabekwa isikhathi esingakanani ngemuva kokupakisha kwe-vacuum, ukuthi uyahambisana yini nokuphepha kokudla nokunye uchungechunge lwezinkinga. Umshini wokupakisha we-vacuum ungakhipha umoya ngokuzenzakalelayo ngaphakathi kwesikhwama, ufeze inqubo ephelele yokuvala i-vacuum. Ubuchwepheshe bokupakisha be-vacuum baqala ngawo-1940. Ngo-1950, i-polyester, ifilimu yepulasitiki ye-polyethylene yasetshenziswa ngempumelelo ekupakisheni kwe-vacuum, kusukela ngaleso sikhathi, yathola ukuthuthukiswa okusheshayo. umshini wokupakisha ivame ukusetshenziswa embonini yokudla, ngoba ngemva kokupakisha nge-vacuum, i-antioxidant yokudla, ukufeza injongo yokulondolozwa kwesikhathi eside. Inkinga ukuthi idinga ukuphumelela esivivinyweni ukuze ithole imiphumela enembile. Njengoba sibonile isikhathi sokuphelelwa yisikhathi sokupakisha ukudla, kuphela lapho ibhizinisi lisebenza ngokomsebenzi ngemva kokuhlolwa, lingakwazi ukwazi.

kodwa namuhla umhleli kuwebhusayithi uphinde waqoqa imibuzo eminingi mayelana nokuphila kweshelufu lokudla lokupakisha nge-vacuum. Umshini wokupakisha nge-vacuum ozenzakalelayo ulungele ukusika inyama eqandisiwe, inyama ebandayo esanda kukhiwa, imikhiqizo yesoya efana nenyama, ukudla kwasolwandle, ukudla okulula, imikhiqizo yemithi, imishini yezokwelapha, izingxenye ze-elekthronikhi, amathuluzi ehadiwe imikhiqizo yemboni efana nokupakisha nge-vacuum noma igesi, ukupakisha sekuyindlela yokupakisha ukudla esikhathini esizayo. Ake sibheke ukuthi kufanele sazi ukuthi yini okufanele siyihloniphe. Izinhlobo zokuphila kweshelufu lokudla nokudla okuhlobene nokwelashwa nge-vacuum ngaphambi kokupakisha. Izinhlobo ezahlukene zokudla, noma inqubo ehlukile yokwelashwa ngaphambi kokupakisha, ukupakisha nge-vacuum kuhlukile ngemva kwesikhathi sokugcina ekamelweni lokushisa. { +- *} Ngokusekelwe kokuhlangenwe nakho, isibonelo, uma ukugcinwa kokudla ekamelweni lokushisa izinsuku ezimbili, kungase kube imikhiqizo yezolimo emisha noma imikhiqizo yenyama ecutshungulwe kancane. Uma kunjalo, ngemva kokupakisha nge-vacuum, kungandiswa kube izinsuku eziyisithupha. Ezinye zingandiswa zibe izinsuku ezingu-18. Isikhathi esihlala isikhathi eside isikhathi sokulethwa sifushane, izithelo ezomisiwe, ngisho nangaphezulu kwezinyanga ezingu-12. Kufanele senze ukuhlolwa komkhiqizo othize.

Okulandelayo kumayelana kakhulu nesimiso sokulondolozwa kokupakisha kwe-vacuum, ukuze kuqondwe inkinga yokuphila kweshalofu: ukusetshenziswa kokupakisha kwe-vacuum i-oxygen kuyimisebenzi eyinhloko yomshini wokupakisha we-vacuum, ukuze kuvinjelwe ukonakala kokudla, isimiso silula kakhulu. Ngenxa yokuthi ukonakala kokudla okubangelwa yi-microorganism, kanye ne-microorganisms eziningi (Njengokukhunta nemvubelo). Izidingo zokusinda kwe-oxygen, kanye nokupakisha kwe-vacuum ukusetshenziswa kwalesi simiso. Ukudla kwesikhwama kanye ne-oxygen emaseli kususiwe, i-microbe ilahlekelwe yiyo kanye nezinye izindawo zayo; 。 Imiphumela ikhombisa ukuthi lapho ukuhlushwa kwe-oxygen esikhwameni kungaphansi kuka-1%, ukukhula kwezinga lokuzala kwe-microbial kwehle kakhulu, ukuhlushwa kwe-oxygen & le; Kuze kube ngu-zero. 5%, iningi le-microorganisms liyavinjelwa, yeka ukuzala. Qaphela: ukupakisha kwe-vacuum kungavimbela ukuzala kwe-anaerobic bacteria kanye nokusabela kwe-enzyme okubangelwa ukushintsha kombala kokudla, ngokuqandisa, ukuqandisa, ukomisa, ukubulala amagciwane okushisa okuphezulu, ukubulala amagciwane ngemisebe, ukubulala amagciwane nge-microwave, usawoti kanye nezinye izindlela ezisizayo. Ukuhlanza nge-vacuum akugcini nje ngokuvimbela ukukhula kokuzalana kwamagciwane, omunye umsebenzi obalulekile ukuvimbela ukungcola kokudla, ngoba ukudla okunamafutha kuqukethe ama-fatty acid amaningi angagcwele, ukungcola nge-oxygen, kwenza ukunambitheka kokudla kuguquke. Ngaphezu kwalokho, ukungcola kwenza futhi uvithamini A kanye ne-vitamin C kulahleke, umbala wokudla ungazinzile ngaphansi kwethonya le-oxygen, kwenza umbala ube mnyama. I-oxygen ingavimbela ngempumelelo ukonakala kokudla, ngakho-ke, igcina umbala wayo, iphunga, ukunambitheka kanye nenani lokudla okunempilo. Uma nje ingafinyelela izinga elithile le-vacuum, umphumela uyafana.

I-, eyenziwe ngcono yi-checkweigher, ingenye yemishini yokuqala yasekhaya esakazwa kabanzi.

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