NISIN
Mtundu:Ma antioxidants, Zosungira
Mawonekedwe a nisin:ufa woyera
Gulu la nisin:chosungira chakudya
Nisin (CAS 1414-45-5) ndi ufa wofiirira wopepuka, peptide yolimbana ndi mabakiteriya ya polycyclic yopangidwa ndi bakiteriya ya Lactococcus lactis yomwe imagwiritsidwa ntchito ngati chosungira chakudya. Streptococcus, chitetezo chake ndi chapamwamba kwambiri. Lactic streptococcus, koma ndi zosungira zina zotsutsana ndi dzimbiri, imatha kuteteza chakudya ku kuwonongeka kwa tizilombo toyambitsa matenda, tsopano imagwiritsidwa ntchito kwambiri mu nyama, mkaka, ndi zina zotero.
Mapulogalamu:
1. Nisin ndi mtundu wa mankhwala opha tizilombo toyambitsa matenda, amatha kupha ndikuletsa mabakiteriya okhala ndi gramu komanso yisiti, mabakiteriya okhala ndi gramu komanso nkhungu sizovomerezeka. Malamulo angagwiritsidwe ntchito mu nyama ndi mkaka ku China, kuchuluka kwakukulu kwa 0.5 g/kg; Mu chakumwa cha mapuloteni a masamba ndi m'zitini, kugwiritsa ntchito kwakukulu kwa 0.2 g/kg.
2. Chifukwa cha ntchito yake yosankha mwachilengedwe, imagwiritsidwanso ntchito ngati chothandizira kusankha mu zinthu zamoyo kuti ichotse mabakiteriya opanda gramu, yisiti, ndi nkhungu.
Ufa Wosungira Zakudya Zachilengedwe
E234 Nisin
Nisin ndi peptide yachilengedwe yolimbana ndi mabakiteriya yomwe imapangidwa ndi kuwira kwa nisin yomwe imapezeka mwachilengedwe mu mkaka ndi tchizi. Ili ndi mphamvu yolimbana ndi mabakiteriya ambiri ndipo imatha kuletsa kukula ndi kuberekana kwa mabakiteriya ambiri okhala ndi gramu ndi spores zawo. Makamaka, ili ndi zotsatira zodziwikiratu zoletsa pa Staphylococcus aureus wamba, Streptococcus hemolyticus, botulinum ndi mabakiteriya ena, ndipo imatha kugwira ntchito yosunga ndikusunga zakudya zambiri. Kuphatikiza apo, nisin ili ndi kukhazikika bwino, kukana kutentha komanso kukana asidi, ndipo ili ndi mwayi wabwino wogwiritsidwa ntchito mumakampani azakudya.
NISIN ingagwiritsidwe ntchito kwambiri mu zinthu za nyama, mkaka, zakudya zam'chitini, nsomba zam'madzi, zakumwa, zakumwa zamadzimadzi a zipatso, mazira amadzimadzi ndi zinthu za mazira, zokometsera, njira zowiritsira, zinthu zophikidwa, zakudya zosavuta, zonunkhira zoyambira, minda yazakudya, ndi zina zotero.
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