khov sai sai sai nrog cov dej khov qhuav thaum qeeb qeeb yog muab tso rau hauv qhov chaw cia (zoo li lub tub yees loj ib yam li koj tus kheej) thiab khov maj mam. Cov demerits ntawm kev khov ceev ceev suav nrog kev siv lub zog ntau dua thiab tsis sib xws.
Yuav ua li cas khov sai thiab qeeb qeeb?
Zoo. Slow khov tua tsuas yog ob peb microbesthiab tsim cov dej khov loj yog li ua rau kev puas tsuaj rau lub hlwb tab sis yog tias qhov khov sai, nws tua tag nrho cov kab mob thiab tswj kom tsis sib xws hauv cov dej ntxiv lossis hauv cov cell thiab daim ntawv. Cov dej khov me me uas ua rau muaj kev puas tsuaj tsawg rau cov hlwb.
Yuav ua li cas qeeb qeeb lossis khov sai?
khov khov nrawm txhim kho cov zaub mov zoo. Cov zaub mov sai dua khov, qhov me me ntawm cov muaju uas tsim. … Kev khov qeeb ua rau cov dej khov loj loj uas xuas nrig los ntawm cov cell membranes. Yog li ntawd, thaum cov khoom noj uas muaj cov dej khov loj loj thaw, muaj dej ntau dua thiab poob dej.
Yuav ua li cas khov qeeb?
Kev khov qeeb qeeb thaum zaub mov ncaj qha tso rau hauv chav txias hu ua lub freezers ntse. … Qhov kub ntawm -15 txog -29 ° C thiab khov yuav siv sij hawm li ntawm 3 mus rau 72 teev. Cov dej khov nab kuab tsim muaj loj thiab pom nyob rau hauv nruab nrab ntawm cov hlwb xws li cov chaw ntxiv-cellular vim yog cov qauv ntawm cov zaub mov cuam tshuam.
khoom noj ceev ceev yog dab tsi?
Flashkhov yog siv hauv kev lag luam khoom noj kom khov sai sai cov khoom noj khoom haus uas tsis zoo (saib cov khoom noj khov). Nyob rau hauv cov ntaub ntawv no, cov khoom noj khoom haus yuav tsum tau nyob rau hauv qhov kub thiab txias hauv qab dej melting point / freezing point. Yog li, cov dej khov me me tau tsim, ua rau muaj kev puas tsuaj tsawg rau cov cell membranes.
