NsinNdi chotetezedwa chachilengedwe chomwe chatchuka kwambiri m'zaka zaposachedwa kuti alule alumali moyo wake. Nisin, wochokera ku lactococccus lactis, ndiowonjezera chakudya chogwiritsidwa ntchito kwambiri chomwe chimalepheretsa kukula kwa mabakiteriya, makamaka iwo omwe amayambitsa chakudya.
Yopangidwa ngati polypeptide, Nisin imachitika mwachilengedwe pamitundu yosiyanasiyana ndipo yakhala ikusunga chakudya kwazaka zambiri. Imagwira poyambira makhome a cell a mabakiteriya, ndikupangitsa kuti athetse ndikuletsa kukula kwawo. Makina achilengedwe amtunduwu amasiyanitsa Nisin ku Nisin ku Mankhwala ena oteteza mankhwala, omwe nthawi zambiri amapanga ziwopsezo zamimba.
Nisin-gisin yavomerezedwa ndi mabungwe oyang'anira monga chakudya ndi mankhwala osokoneza bongo (FDA) ndi Olamulira a ku Europe 50 (Efsa) monga zakudya zosiyanasiyana. Izi zimaphatikizaponso nyama zokonzedwa, zinthu zamkaka, zakudya zamzitini, komanso zakumwa. Chifukwa cha mbiri yake yachilengedwe ndi chitetezo, Nisin imawonedwa ngati njira yotetezeka komanso yothandiza poteteza.
Chimodzi mwazopindula kwambiri za Nini monga chakudya chosungira ndi ntchito ya antimicrobial. Zawonetsedwa kuti zimagwira ntchito molimbana ndi mabakiteriya osiyanasiyana, kuphatikizapo zina mwazakudya zambiri zomwe zimachitika. Poletsa kukula kwa mabakiteriyawa, Nisini imathandiza kupewa chakudya ndikuchepetsa chiopsezo cha matenda obwera chakudya.
Kuphatikiza apo, Nisini amakhala wokhazikika ngakhale kutentha kwambiri ndi zinthu za acidic, kumapangitsa kuti ikhale yoyenera kwa njira zosiyanasiyana zothandizira zakudya. Kuzunza kwake kumatsimikizira kuti kumasunga katundu wawo woteteza ngakhale ataphika kapena kutukwana, kufalitsa moyo wa alumali popanda kusokonekera kapena mtundu.
Phindu lina labwino kwambiri la Nisin ngati chosungira ndikuti zimakhudzanso katundu wazakudya. Mosiyana ndi mankhwala ena osungirako mankhwala omwe amatha kusintha kukoma kapena kapangidwe ka chakudya, Nisin adapezeka kuti alibe mphamvu pazinthu zomverera. Izi zikutanthauza kuti zakudya zomwe zimasungidwa ndi Nisin zimatha kusungirako kukoma ndi kapangidwe kake, kumawathandiza ogula.
Nisin nthawi zambiri amapezeka mu mawonekedwe a ufa ndipo amatha kuphatikizidwa mosavuta kukhala njira zopangira chakudya. Opanga chakudya amatha kuwonjezera pazinthu zapadera za Nisin ufa pakupanga kwawo kuti akwaniritse mphamvu yofunikira. Kuphatikiza apo, Nisini ufa umakhala ndi bata kwambiri komanso moyo wautali, ndikupangitsa kuti ikhale chisankho chothandiza pa chakudya.
Pomaliza, Nisiin ndi chakudya chachilengedwe chokhala ndi mapindu ambiri. Mankhwala ake antifickicrobial, ntchito yotakatalika, kukana kutentha komanso kukhudzidwa kochepa pazinthu zomwe zimachitika zimapangitsa kuti ikhale chida chamtundu wa chakudya. Ndi zovomerezeka zake ndikutsimikizika, Nisini akupitiliza kuchita gawo lofunikira pakuwonjezera moyo wa alumali wazinthu zosiyanasiyana pomwe akuwonetsetsa kuti ogula.
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Post Nthawi: Jun-26-2023