Lub mechanism ntawm kev txiav txim ntawm antimicrobial preservatives yog feem ntau raws li kev cuam tshuam ntawm microbial cellular lug thiab physiological functions.
Ua ntej, lawv cuam tshuam cov cell membrane: cov khoom xyaw nquag ntawm qee cov tshuaj tiv thaiv kab mob tiv thaiv nrog cov lipids thiab cov protein nyob rau hauv microbial cell membranes, yog li hloov cov membrane permeability. Qhov no ua rau kom nkag mus ntawm cov ntsiab lus intracellular, thaum kawg ua rau microbial tuag. Piv txwv li, qee yam cationic preservatives tuaj yeem adsorb rau ntawm cov kab mob, hloov cov cell membrane cov hluav taws xob muaj peev xwm thiab ua rau cov membrane puas.
Thib ob, lawv inhibits kev ua haujlwm enzyme: enzymes ua lub luag haujlwm tseem ceeb hauv microbial metabolism, koom nrog ntau yam ntawm cov tshuaj lom neeg biochemical. Antimicrobial preservatives khi rau qhov chaw nquag ntawm cov enzymes, ua rau lawv tsis ua haujlwm; Qhov no thaiv cov kab mob metabolic thiab inhibits microbial kev loj hlob thiab kev loj hlob. Piv txwv li, qee yam sulfur- muaj cov tshuaj tua kab mob tuaj yeem cuam tshuam nrog cov enzymes hauv cov kab mob hauv cov kab mob, yog li deactivating lawv.
Thib peb, lawv cuam tshuam nrog cov khoom siv caj ces: cov kab mob microorganisms cov khoom siv caj ces tswj hwm nws txoj kev loj hlob, kev yug me nyuam, thiab kev xeeb tub. Cov khoom xyaw hauv cov tshuaj tiv thaiv kab mob tuaj yeem cuam tshuam nrog cov kab mob DNA lossis RNA, cuam tshuam cov txheej txheem ntawm kev rov ua dua thiab kev hloov pauv, thiab yog li tiv thaiv cov kab mob los ntawm kev rov tsim dua lossis muaj sia nyob ib txwm. Piv txwv li, qee cov tshuaj tua kab mob uas muaj cov tshuaj ua haujlwm tshwj xeeb tuaj yeem khi rau DNA, yog li thaiv nws qhov kev rov ua dua. Ntau hom tshuaj tiv thaiv kab mob tiv thaiv kab mob tuaj yeem ua qhov tseem ceeb rau ib lossis ob peb yam ntawm cov txheej txheem ntawm kev ua haujlwm kom muaj txiaj ntsig zoo thiab tshem tawm cov kab mob dav dav.
