"Leli can selakhiwe isikhathi esingaphezu konyaka, kungani lisasebenza eshalofini? Ingabe lisadleka? Ingabe kukhona ama-preservatives amaningi kulo? Ingabe lokhu kungaphephile?" Abathengi abaningi bazokhathazeka ngesitoreji sesikhathi eside. Imibuzo efanayo iphakama kusukela ekudleni okusemathinini, kodwa empeleni ukudla okusemathinini kungagcinwa isikhathi eside ngenxa yobunyumba bezentengiselwano.
Ukudla okusemathinini kubhekisela ezintweni ezingavuthiwe zokudla eziye zafakwa ngaphambili, zafakwa ethini futhi zavalwa emathinini ensimbi, amabhodlela engilazi, amapulasitiki nezinye iziqukathi, zase zifakwa inzalo ukuze kuzuzwe inzalo yokuhweba futhi zingagcinwa endaweni efudumele isikhathi eside. Ukufakwa inzalo kokudla okusemathinini kuhlukaniswe ngezindlela ezimbili: ukudla okune-asidi ephansi enenani le-pH elingaphezu kuka-4.6 kufanele kubulawe inzalo ngokushisa okuphezulu (okungaba ngu-118°C-121°C), nokudla okune-asidi okune-pH engaphansi kuka-4.6, njengesithelo esisemathinini, kufanele kufakwe inzalo (95°C-100°C).
Abanye abantu bangase futhi babuze ukuthi imisoco ekudleni nayo iyabhujiswa ngemva kokuba ukudla okusemathinini kufakwe inzalo ngenxa yokushisa okuphezulu? Ingabe ukudla okusemathinini akusenawo umsoco? Lokhu kuqala ngokuthi inyumba yokuhweba.
Ngokusho kwe- "Canned Food Industry Handbook" enyatheliswa yi-China Light Industry Press, ubunyumba bezentengiselwano bubhekisela eqinisweni lokuthi ukudla okuhlukene ngemva kokufakwa emathinini nokubekwa uphawu kunamanani e-pH ahlukene kanye namagciwane ahlukene aphathwa ngokwawo. Ngemva kokuhlolwa kwesayensi nokubala okuqinile, ngemva kokuvala inzalo okusesilinganisweni kanye nokupholisa emazingeni okushisa ahlukene nangezikhathi, kwakhiwa i-vacuum ethile, futhi amabhaktheriya e-pathogenic nama-spoilage bacterium ku-can abulawa ngenqubo yokuvala inzalo, futhi izakhi kanye nokunambitheka kokudla ngokwako kugcinwa ngezinga elikhulu kakhulu. Inenani lezentengiselwano ngesikhathi sokudla kokudla. Ngakho-ke, inqubo yokuvala inzalo yokudla okusemathinini ayiwabulali wonke amabhaktheriya, kodwa ihlose kuphela amabhaktheriya e-pathogenic kanye nama-bacterium spoilage, ukulondoloza izakhi, futhi inqubo yokuvala inzalo yokudla okuningi nayo iyinqubo yokupheka, okwenza umbala wabo, iphunga nokunambitha kangcono. Okushubile, okunomsoco futhi okumnandi kakhulu.
Ngakho-ke, ukulondolozwa kwesikhathi eside kokudla okusemathinini kungabonakala ngemuva kokwelashwa kwangaphambili, ukucwiliswa, ukuvala nokuvala inzalo, ngakho-ke ukudla okusemathinini akudingi ukwengeza ama-preservatives futhi kungadliwa ngokuphepha.
Isikhathi sokuthumela: Mar-31-2022