Qee zaus, cov khoom lag luam npaj tau koom nrog. Txawm hais tias spores ntawm C. botulinum muaj qhov kub-tiv taus, cov tshuaj lom uas tsim los ntawm cov kab mob loj hlob tawm ntawm cov kab mob hauv cov kab mob anaerobic raug rhuav tshem los ntawm kev kub hnyiab (piv txwv li, ntawm qhov kub thiab txias siab tshaj 85 ° C. rau 5 feeb lossis ntev dua).
kub dab tsi tua botulism spores?
Yuav tua cov spores ntawm Cl. botulinum txheej txheem sterilization sib npaug rau 121 ° C rau 3 minyog xav tau. Cov botulinum toxin nws tus kheej yog inactivated (denatured) ceev ceev ntawm kub siab tshaj 80 ° C.
Puas botulinum toxin puas tsuaj los ntawm tshav kub?
Txawm tias nws muaj zog heev, botulinum toxin tau yooj yim puas. Cua sov rau qhov kub ntawm 85 ° C rau tsawg kawg 5 feeb yuav tshem tawm cov khoom noj los yog dej haus.
Qhov kub twg tua Clostridium spores?
Kub nyob rau hauv thaj tsam ntawm 240 ° F txog 250 ° F (115 ° C txog 121 ° C)xav tau txhawm rau txhawm rau tua spores (USDA 2015). Thaum cov botulinum spores tuaj yeem muaj sia nyob hauv dej npau npau, cov tshuaj lom yog kub-labile, txhais tau hais tias nws tuaj yeem rhuav tshem ntawm qhov kub thiab txias.
Puas botulism tuag thaum raug cua?
Txawm hais tias nws qhov xwm txheej tuag taus, BoNT raug rhuav tshem yooj yim los ntawm tshav kubQhov kub ntawm 80 ° C rau 30 feeb, lossis 85 ° C rau 5 feeb, ua kom cov protein zoo, tsis ua haujlwm. cov tshuaj lom. Hnub ci ncaj qha tuaj yeem tshem tawm cov tshuaj lom hauv 1 mus rau 3 teev. Yooj yim raug rau huab cua tuaj yeem tshem tawm cov tshuaj lom hauv 12 teev.
