Yuav Siv Li Cas Nitrogen Blast Lub Freezer Khoom Kom raug

Thaum cov khoom noj khov, qhov khov khov txo qis los ntawm qhov chaw mus rau hauv nruab nrab, thiab kev faib tawm tsis khov ntawm qhov khov tuaj yeem ua rau txo qis cov zaub mov zoo. Yog tias khov tau ntev, tsis tsuas yog cov dej khov loj loj yuav ua kom puas lub koom haum cov qauv, tab sis kuj tseem tsis tuaj yeem rov qab cov cell tom qab yaj, ua rau poob ntau ntawm cov kua dej hauv lub cev, uas yuav cuam tshuam rau qhov tsw thiab zoo ntawm cov zaub mov thiab txawm tias ua nws inedible.

Kev khov yog txheej txheem khov dej hauv cov zaub mov xws li ntses lossis nqaij rau hauv lub xeev khov kho siv qhov kub tsis txias. Nov yog txoj hauv kev nyab xeeb thiab noj qab nyob zoo ntawm kev khaws cia. Nws tuaj yeem tiv thaiv kev loj hlob thiab rov tsim cov kab mob me me hauv cov zaub mov, tiv thaiv zaub mov tsis zoo, tab sis kuj yooj yim los kho lub xeev qub. 0 ° C txog -3 ° C yog qhov ntsuas kub uas cov dej hauv cov zaub mov khov rau hauv cov dej khov loj tshaj plaws. Lub sij hawm luv dua nws siv rau cov zaub mov kub kom poob los ntawm 0 ° C txog -3 ° C. Nws txhais tau tias kev khaws cov zaub mov zoo dua. Yog li ntawd, thev naus laus zis khov sai tuaj yeem ua zaub mov khov hauv lub sijhawm luv luv thiab sai heev.

Yuav ua li cas siv cov kua nitrogen blast lub freezer khoom kom raug?

Kev ceev ceev ntawm cov kua nitrogen ua rau lub tshuab ua kom lub freezer khov vim ntau yam khoom noj thiab khoom siv sib txawv. Feem ntau, ua kom khov khov sai dua, zoo dua cov zaub mov zoo, xws li ntses myosin hauv -3 ° C ~ -2 ° C qhov sib txawv ntawm qhov nrawm tshaj, yog li qhov xav tau kom khov sai li sai tau los ntawm ntu qhov kub. Hauv qhov ntsuas kub ib puag ncig (-5 ~-1 ℃), feem ntau cov dej hauv cov zaub mov tau khov, ua rau muaj dej khov nab kuab coob. Thaj chaw kub no hu ua thaj tsam dej khov ntau tshaj plaws. Qhov nrawm dua los ntawm qhov siab tshaj plaws siv txoj siv khov nab kuab, ua rau muaj txiaj ntsig zoo ntawm cov kua nitrogen blast lub freezer khoom siv khoom noj.

Hauv cov txheej txheem khov hauv cov kua nitrogen cov khoom siv lub tshuab ua kom lub freezer, cov tshuaj ntxiv ua ntej tsim cov dej khov. Raws li qhov ua kom muaj zog siab, cov dej hauv lub cell ntws mus rau cov dej khov nab kuab sab nraum lub cell. Lub sijhawm no, kev faib cov dej khov tsis sib luag ua ke yuav ua rau cov phab ntsa ntawm tes puas tsuaj thiab ua rau cytoplasmic ntws tawm, yog li ua rau cov zaub mov tsis zoo.

Yog li ntawd, hauv cov txheej txheem zaub mov tau khov, ua ntej tshaj plaws, qhib qhov khov kaw tawm cov kua nitrogen tawg lub tshuab ua kom txias lossis tig cov ntsuas kub kom qis qis, khiav ib ntus, thiab ua kom sov hauv lub txee qis txaus ua ntej. muab cov zaub mov tso rau hauv lub txee. Tom qab ntawd ntxuav cov zaub mov thiab qhuav nws, faib nws mus rau hauv cov hnab ntim khoom noj, khi nws, muab tso rau hauv lub tiaj cov kua nitrogen cov khoom siv khov lub thawv txias, tiv toj rau lub tshuab nqus dej kom deb li deb tau, thiab khov tau ob peb teev. Thaum cov zaub mov tau khov tag nrho, tua qhov hloov pauv kom khov sai, lossis hloov kho qhov ntsuas kub mus rau txoj haujlwm ib txwm siv, thiab qhov khov khov sai tau ua tiav.