Txawm tias khov cephalopods tau lwj tuaj yeem txiav txim siab los ntawm kev txiav txim siab plaub yam: tsos, kev ntxhib los mos, tsw, thiab ntim. Yog tias lawv pom cov xim dub lossis daj xim, muag muag thiab zoo nkauj hauv kev ntxhib los mos, muaj ammonia tsis hnov tsw, ntim khoom puas, los yog huab cua loj heev, lawv yuav lwj thiab yuav tsum tsis txhob noj.
Kev tshwm sim: Xyuas seb cov xim thiab cov duab zoo li cas.
Cov cim qhia txog kev noj qab haus huv: Cephalopods (xws li squid thiab octopus) muaj lub ntsej muag xiav - grey lossis lub teeb liab lub cev nto nrog lub ntuj ci, thiab lawv cov tentacles zoo li tsis tawg.
Cov tsos mob tshwm sim: Cov cheeb tsam loj ntawm lub taub hau lossis lub cev tig dub, liab, lossis daj, tshwj xeeb tshaj yog nyob rau ntawm qhov sib txuas ntawm lub taub hau thiab lub cev qhov chaw uas xim yuav tsaus ntuj; daim tawv nqaij poob nws cov luster, zoo li npub, greyish -dawb, los yog pwm; Yog hais tias nrog los ntawm cov pob dawb thiab ib qho kev ntxhib los mos, nws yuav yog vim Frost puas ua ke nrog spoilage.
Ceev faj ntawm cov tib neeg uas muaj xim ci heev, raws li lawv tau raug tshuaj dyed los npog lawv qhov staleness.
Xav: Nias mus kuaj elasticity thiab firmness
Freshness: Thaum khov, cov nqaij yog khov thiab plump, thiab springs rov qab sai sai tom qab lub teeb nias; nws khaws nws elasticity tom qab thawing thiab tsis yooj yim tawg.
Cov tsos mob tshwm sim: Cov nqaij zoo li mos thiab tsis muaj elasticity; nws yog ib qho nyuaj rau rov qab los ntawm indentation tom qab nias; lub taub hau thiab lub cev yog xoob, thiab cov tentacles yooj yim detach; Tom qab thawing, cov nqaij yog pasty los yog fibrous, qhia tias cov protein tau decomposed.
Tswv yim: Thaum muas, maj mam nyem lub ntim los xyuas seb cov nqaij yog clumped ua ke los yog ib nrab softened; qhov tom kawg qhia tias qhov kub thiab txias hloov pauv lossis rov khov dua -thaw cycles.
