Sorbic acid thiab poov tshuaj sorbate yog cov khoom siv ntau tshaj plaws hauv lub ntiaj teb, nrog rau cov kab mob tua kab mob siab, inhibiting kev loj hlob thiab kev loj hlob ntawm pwm. Los ntawm inhibiting lub dehydrogenase system nyob rau hauv cov kab mob, lawv muaj peev xwm inhibit qhov kev loj hlob ntawm cov kab mob thiab ua lub luag hauj lwm preservative, inhibiting pwm, poov xab thiab ntau aerobic kab mob, tab sis yuav luag tsis zoo ntawm anaerobic sporoforming kab mob thiab acidophilus. Siv dav hauv cheese, yogurt thiab lwm yam khoom siv cheese, khob cij thiab khoom noj txom ncauj, dej qab zib, kua txiv hmab txiv ntoo, jam, pickles thiab ntses khoom thiab lwm yam khoom noj khoom haus. Tus nqi ntawm cov kua txiv hmab txiv ntoo thiab zaub hauv cov nruas yas yuav tsum tsis pub tshaj 2g / kg; Nyob rau hauv soy sauce, vinegar, jam, hydrogenated zaub roj, khoom qab zib mos, qhuav ntses cov khoom, instant soy khoom, pastry filling, breads, ncuav mog qab zib, hli ncuav mog qab zib, qhov siab tshaj plaws siv ntawm 1.0g / kg; Qhov siab tshaj plaws siv hauv cawv thiab txiv hmab txiv ntoo yog 0.8g / kg; Hauv collagen casings, tsis tshua muaj ntsev pickles, kua ntses, khaws cia, kua txiv hmab txiv ntoo (ntsuab) dej qab zib thiab jellies, qhov siab tshaj plaws yog 0.5g / kg; Kev siv siab tshaj plaws yog 0.2g / kg hauv cov txiv hmab txiv ntoo thiab zaub tshiab-kua thiab cov dej haus carbonated; Hauv kev lag luam khoom noj, nws tuaj yeem siv rau hauv cov nqaij, ntses, qe, cov khoom noj nqaij qaib nrog qhov siab tshaj plaws ntawm 0.075g / kg.