Kungani uzinyama lwezinyama lwezinyama olunegunya lokuchitha ngezinyama luthola ubumbeko obuhle kwezinyama nobubi bokuchitha ngamanzi?

Ukuchitha Okukhombisa Ukuguqula Konke

Ukuchitha akuyiyo indima eyisodwa kakhulu kwezinkukhu, kodwa kungaba yindima eyisodwa kakhulu ekubukheni kwesikhundla. Ukuziphatha phakathi kokuchitha kwamanzi nokuchitha kwesilayela kubangela konke kusukela kubonwa kwesikhali nesifunda kuze kufika ekuthengiseni kwesinkukhu esichithwe kanye ne-ubudlebe bokugcina. Futhi nakuba ukuchitha kwamanzi kuyisodwa kakhulu e-United States, ukuchitha kwesilayela kuyaphila—ngamazwi angaphezu kokuchitha kwamanzi.

Umbhalo wase-USDAs wabonisa ukuthi ukuchitha ngohlobo lwesilungu kubangela ukuthi amafiletu wezinyawo zibe nzima kakhulu futhi kubangela ukuthi kubuyiswe izinkokhelo eziningi zokuchitha kulokho okuchithwa ngokwesilungu . Kodwa umlando wendlela yokuqondisa iskin ayisodwa. Amakhasi okuchithwa ngohlobo lwesilungu abona ngokwesibonelo esihlukile—bengadala, bengayellow, nezindlela zokuphazimula kunezokuchithwa ngokwesilungu . Kodwa amabhrendi amakhulu amanqina amahle akhuluma ngokuchitha ngohlobo lwesilungu njengokuthi kuyisifunda esihle kakhulu. Kuyisiphi isimo?

Ukuthi Ukuchitha Ngamanzi Kusenzi I-Skin Yenza Yini

Ukuchitha ngamanzi kufundwa ngokuthi kuzofaka amakhasi ematanki amanzi omubi noma amanzi amancane. Lokhu kushisa—umoya wamakhasi ubeka phansi ngeminyaka eyi-55 . Kodwa ukushisa kunezinkinga: ukuthatha amanzi.

Amakhasi okuchithwa ngamanzi athatha amanzi ngokuchitha. Izifundo zibonisa ukuthi ukuthatha kuyingaphezu kwesikhathi sokuchitha kuyisilinganiso se-9.3% sesiphambili sokuchitha, nokuthatha kuyisilinganiso se-3.4% ukuze se-14.7% . Lokhu amanzi athathwe ayikwazi ukudala ngamakhasi. Emva kwezinsuku eziyishumi nanye, kubuyekeka ukuthi kubuyiselwa ngokuphazimula kwe-83% wezinhlobo zokuchitha ngamanzi .

Amathuba okusika kuyakwenzeka ngokusho kanye nokubhalwa. Ngokusho kanye emva kokusika ngamanzi, izinkomo ezisikwa ngamanzi ziyinkulu kakhulu (isilinganiso esiphezulu se-L*) kanye nezinkulu kakhulu (isilinganiso esiphansi se-a) , futhi nezinkulu kakhulu (isilinganiso esiphansi se-b) kunazo zezinkomo ezisikwa nguhlobo lwehlobo . Lokhu okukhula kakhulu, okungcoliswa kakhulu kukhona kuzoba yilokho abasemthwini bakhuluma ngalo njengokuthi “ukhanya” kwechicken—kepha kuyisibonelo sezinto ezithile sokufaka amanzi nokuphatha izihlangothi zokukhanya.

Isikhundla Sokusika Ngohlobo Lwehlobo

Ukusika ngohlobo lwehlobo kusika izinkomo ngohlobo lwehlobo oluncane—okuvamile ukuba kune-0°C ngokulingana ne-1.0 m/s . Umsebenzi uyadlula isikhathi eside, okungu-155 minithi ukuze kufinyelele isilinganiso samandla sokusika . Ngalesikhathi, izinkomo zifaka amanzi kakhulu kunokufaka. Izinkomo eziphela ngohlobo lwehlobo zifaka ama-1.5% ukuya ku-2.5% wezinhlobo zabo ngaphambi kokusika .

Isikhumba sezinkomo eziphela ngohlobo lwehlobo sikhula kakhulu, sikhula kakhulu, futhi sibonisa izinkinga zokugqila kwesikhumba isilungiselelo esinye sisibonisa ukuthi izinkomo zokushisa ngovu zazibonisa umbala ongumhlophe (P < 0.05) kunzima zokushisa ngamansi. Kumaqembu amaningi, lo mbala ongumhlophe uyadinga—kubonakala “engikho kakhulu.” Kumaqembu abanye, ubona ukuthi inkomo ayisalwa ngamansi, futhi ubumbano obunzima nobumbano obukhona bawusindiswe.

Ukuphulaphula kwesikhumba kuyisibonelo sokugcina isikhathi. Ukushisa ngovu akasindisi isikhumba ngamansi, ngoko ke sikhumba sishisa kakhulu nokufana kakhulu. Uma kushiselwa, isikhumba sokushiswa ngovu sishisa kakhulu ngokushesha ngoba kukhona amanzi angaphezulu angakwazi ukususa kabefore ukubhla kubegcina. Isikhumba sokushiswa ngamansi, ngokuchaza, kubonakala kakhulu nokudlala isikhathi eside ukuza kwenziwa kwekushisa kakhulu.

Ukuphulaphula Kwamansi

Lakho-ke-sibonakalise kubalulekile ukuthi kungakhathaleki. Amadube okuchithwa ngamanzi akhathala amanzi, okungaba yindlela yokuthola isiphumo—inkhulu eyodwa yokuthengiselwa. Kodwa amanzi akhathalwe kushona kusukela ekugcineni nokupheka. Amadube okuchithwa ngamanzi abonisa ukuthi kuyabaleka inkhulu yamanzi ekuchithweni—2.5% ngaphandle kwe-0.3% yamadube okuchithwa ngahhele emuva kokugcina kwesikhathi sesihlanu (24) amadube okuchithwa ngahhele nemadube okuchithwa ngahhele okuzokwenzeka ngokuhlelwa kwamanzi abe nezinhloko ezifana nezinhloko zamadube ngaphambi kokuchithwa, kodwa amadube okuchithwa ngamanzi abulala konke okakhathalwe .

Isiphumo sokuphakeme? Isiphumo sokuthola sokuchithwa ngamanzi sishona kabusha ngaphambi kokufika kweprodukti ku-muntu othengisa. Futhi isiphumo sokupheka sibonisa ukuthi okuchithwa ngahhele sibonisa isiphumo esihle. Isiphumo sokupheka yamafiletshi okuchithwa ngamansi ayisikhulu kunezifiletshi zokuchithwa ngahhele .

Ukudura Kweprodukti Nokuhlukaniswa Kwamashilini

Ukuvulazulula kweminyaka yokuqala kubonisa indlela eyodwa yokuxhumana kwezinye izinkinga zokuhlanza kwezilwane noma kwezilwane. Ukuqonda kwe-2021 kubonisa ukuthi ukuhlanza ngokushisa kwenza ukuthi izilwane zibe nezwi elihle kakhulu futhi zibe nenkululeko yezindawo zokugcina, ikakhulu kabusha ngaphambi kokugcina kwezindawo zokugcina ngokungafanali kwezindawo ezisodwa . Lokhu kubonisa futhi ukuthi ukuhlanza ngokushisa kwenza ukuthi kubhekene nokuphakanyiswa kwezilwane zokuhlanza, okungaba yindlela yokuzimela Pseudomonas —umthwalo wokuhlanza wokuphakanyiswa kwezilwane zokuhlanza zokugcina .

Lokhu kubalulekile ngoba ukuhlanza akuyiyo kuphela ukuthi izilwane zibe nemphilo—kuyiyo ukuthi kubhekene nokukhathazeka. Ukunika inzindawo zokugcina ebalulekile kusiza ukuthi kungafakelwe kwezindawo zokugcina kwezilwane zokugcina futhi kungabhekene nokukhathazeka kwezilwane zokuhlanza. Kumaqondiso amaningi, ukudlula kwezindawo zokugcina ngomzuzu omunye ungalibonakalisa ubukhulu bokuthi kubhekene nokukhathazeka.

Izindlela Zokufunda Ngokuthi Kuyini Ukuthi Kukhathazeka Kwamanzi

Ukuthenga kwezilwane kuyiyo inkulumo enkulu yokuthi kubhekene nokuhlanza ngokushisa. Kuyadinga izigalonu eziyisikhombisa ukuze kuthengwe ilwane elinomunye, futhi ukuguqula ukuthi kuhlanzwe ngokushisa kungabhekene nokuthenga kwezilwane zokuhlanza ngokushisa kwezilwane zokuhlanza zokugcina ngomzuzu omunye kusukela kubhabhili be-9 bilyoni bezingwezi ezihlola ngokupheleleyo emazweni e-Amerika, lokhu kuthetha ukuthi kungabikho ukuthinteka kokuhlanganisa amagallon angu-4.5 bilyoni emva kweminyaka yonke .

Emizini apho amanzi ayathengiswa ngokupheleleyo noma ayisifanele, lo msebenzi wokufunda ukuthi kuyinto eyodwa. Umhlango wezobuchwepheshe wakubonisa ukuthi kunezidingo zokuthenga okuhle kwe-air chilling kungezwe kwe-water chilling emizini apho izindleko zemithombo yamazi ziyinkulu kunamathuba okuthenga .

Iphuzu liphi eliphumelela?

Impendulo iyaphendula kuthi yini esithengayo. Umgcino wase-USDA ubonisa ukuthi ukuchiliza ngokugcina kuyinhloko yezingwezi zonke nezinye iziqephu zezinye iziqephu zezingwezi, futhi ukuchiliza ngokushisa kuyenzeka kuzo zokuchiliza ngokugcina—umbala wokuchiliza, ukuthenga kwe-marination, nokuthula kahle kungavunyelwa, futhi ukuthenga kokuchiliza kuyenhle kakhulu .

Ezitshalweni ezithengisa izinyoni eziphelele ezinesikhumba, ukubukeka okuphuzi, okumpunga kakhulu kwezidumbu ezipholisiwe kungaba ingozi. Ezitshalweni ezikhiqiza ama-filets angenasicucu noma imikhiqizo esebenze ngokwengeziwe, isivuno esingcono sokupheka nesikhathi eside sokugcina sokupholisa umoya kuyizinzuzo ezicacile.

Icala Elisensimini

Umkhiqizi omkhulu entshonalanga ye - United States muva nje ushintshe omunye wemigqa yakhe washiya ukubandisa ngamanzi waya ekubandiseni ngomoya. Isici esiyinhloko sasingeyona ikhwalithi yamanzi kodwa ukutholakala kwawo. Lesi sitshalo sasibhekene nezindleko zamanzi ezikhulayo kanye nengcindezi engokomthetho yokunciphisa umthamo wokukhishwa kwamanzi. Ngemva kokuguqulwa, lesi sitshalo sabhala ukuthi amanzi ayesetshenziswa ayehla ngamagaloni angu-0.6 ngenyoni ngayinye. Umbala wesikhumba wawushintsha ngokuphawulekayoizinyoni ezipholisiwe emoyeni zazinombala ophuzi kancanekodwa amakhasimende amancane omkhiqizi, ayethenga ikakhulukazi ama-breast fillets angenaso isikhumba, awazange aphikisane. Umkhiqizo wenyama ephekiwe wathuthuka ngo-1%, okwaholela ekulondolozeni imali ngonyaka.

Isilungiselelo? Indlela yokuchitha ephakanyisiweyo iyaphendula kumixholo wemithombo, ekonomi yamanzi, namaphethini wemisipakasi. Akukho wona owenziwe ngokuphelele—kunye noma yikuphi okufanele kumsebenzi wakho wokushintsha.