Cov kws tshaj lij paub tseeb tias txawm tias "tsim" nceb muag hauv khw muag khoom yog qhov txaus ntshai. Tom qab tag nrho, qhov no yog cov khoom noj protein, uas txhais tau hais tias nws yog perishable, xws li ntses los yog nqaij.
Yog li ntawd, nyob rau hauv nceb plucked ntau tshaj li ib lub lim tiam dhau los, protein decomposition tshwm sim, raws li ib tug tshwm sim ntawm cov tshuaj lom yog tsim nyob rau hauv lawv cov pulp. Tau saj cov nceb no, koj tuaj yeem ua rau tsis muaj kev ua haujlwm ntawm koj lub plab zom mov. Yog li ntawd, thaum muas, xyuam xim rau cov tsos ntawm champignons los yog oyster nceb.
Cov nceb tshiab tsis muaj qhov me me thiab xim av xim rau ntawm lub hau. Nws yuav tsum yog elastic thiab, yog tias peb tham txog champignons, tsis qhib tag nrho. Yog hais tias koj muaj ib tug nceb nyob rau hauv pem hauv ntej ntawm koj, nyob rau hauv uas lub txiav ntawm ob txhais ceg tau darkened, tau ua hollow sab hauv, thiab tsaus xim av daim nyias nyias yog pom nyob rau hauv lub hau, ces nws yog laus thiab lom. Nws yog tseeb tsis tsim nyog yuav.
Yog hais tias cov nceb tshiab uas koj yuav tau muab "tsis nco qab" rau ib lub lim tiam lossis ob zaug hauv lub tub yees, tsis txhob tos kom muab pov rau hauv lub thoob khib nyiab: lawv twb ploj lawm. Tsis tshua muaj kev ceev faj yuav tsum tau kho nrog cov nceb qhuav. Tsis txhob yuav lawv los ntawm random neeg nyob rau hauv kev ua lag luam, tab sis ua tib zoo xyuas cov npaj ntawm koj tus kheej: seb puas muaj pwm los yog worms tau xaiv lawv.
Ceev faj tshwj xeeb nrog cov kaus poom nceb. Qhov tseeb yog tias nyob rau hauv lub thawv ntim hermetically tsis muaj kev nkag mus rau oxygen, thiab nws yog cov xwm txheej no uas yog qhov chaw zoo tshaj plaws rau kev loj hlob ntawm botulinum toxin. Tsuas yog ib qho nceb los ntawm lub thawv tsis zoo no tuaj yeem ua rau muaj kev kub ntxhov. Tom qab tag nrho, cov kab mob botulism ua rau tuag tes tuag taw hauv nruab nrab lub paj hlwb ntawm tus neeg thiab feem ntau ua rau nws tuag.