UNisinIngabe ukulondolozwa kokudla okungokwemvelo okuthole ukuthandwa eminyakeni yamuva nje ngekhono lawo lokukhulisa impilo yeshalofu lokudla. UNisin, osuselwa eLactococcus Lactus, uyisici esivame ukusetshenziswa sokudla esingavimba ngempumelelo ukukhula kwamagciwane, ikakhulukazi lezo ezibangela ukonakala kokudla.

Kuhlukaniswe njenge-polypeptide, i-nisin yenzeka ngokwemvelo ekudleni okubilisiwe okubilisiwe futhi isetshenziselwe ukugcina ukudla amakhulu eminyaka. Isebenza ngokuqondisa izindonga zeseli zamagciwane, ibangele ukuba ihlukanise futhi ivimbele ukukhula kwazo. Le ndlela yemvelo yesenzo ihlukanisa i-nisin kusuka kwezinye izivivinyo zamakhemikhali, ezivame ukubeka izingozi zempilo ezingaba khona.

I-Nisin yebanga lokudla ivunyelwe ngama-ejensi okulawula okufana nokudla kanye nezidakamizwa (FDA) kanye ne-European Food Safety Authority (EFSA) njengendawo yokugcina yokudla okuhlukahlukene. Lokhu kufaka phakathi inyama esetshenzisiwe, imikhiqizo yobisi, ukudla okusemanzi, ngisho nokuphuza. Ngenxa yemvelaphi yayo yemvelo kanye nephrofayili yokuphepha, i-nisin ibhekwa kabanzi njengokukhetha okuphephile futhi okusebenzayo kokugcina.

Enye yezinzuzo eziphambili ze-nisin njengokugcina kokugcina kuwumsebenzi wayo obanzi we-antimicrobial. Kuboniswe ukuthi kuphumelele ngokumelene namagciwane ahlukahlukene ahlukahlukene, kufaka phakathi amanye amagciwane ajwayelekile ajwayelekile. Ngokuvimbela ukukhula kwala ma-bacteria, uNisin kusiza ukuvikela ukungcoliswa kokudla futhi kunciphise ingozi yokugula okubangelwa ukudla.

Ngaphezu kwalokho, uNisin uhlala ezinzile noma ngaphansi kwezinga lokushisa eliphakeme nezimo ze-acidic, okwenza kulungele izindlela ezahlukahlukene zokufaka ukudla. Ukumelana kwalo okushisa kuqinisekisa ukuthi igcina izakhiwo zayo zokugcina noma ngemuva kokupheka noma ukupheka, ukunwebisa impilo yeshelufu ngaphandle kokuyekethisa ukunambitheka noma ikhwalithi.

Enye inzuzo ephawuleka ye-NISIN njengokugcina kokugcina ukuthi inomthelela omncane ezindaweni zokuzwa. Ngokungafani namanye amakhemikhali okugcina angaguqula ukunambitheka noma ukuthungwa kokudla, uNisin atholakala engenamphumela obalulekile ezimfanelweni zokuzwa. Lokhu kusho ukuthi ukudla okugcinwe nge-nisin kungagcina ukunambitheka kwangempela nokuthungwa, ukuhlinzeka abathengi ngesipiliyoni sekhwalithi ephezulu.

I-nisin ivame ukutholakala ngefomu le-powder futhi ingafakwa kalula ezinqubweni zokukhiqiza zokudla. Abakhiqizi bokudla bangangeza ukugxila okukhethekile kwe-nisin powder kufomu labo ukufezekisa umphumela wokugcina oyifunayo. Ngaphezu kwalokho, i-Nisin powder inokuqina okuphezulu nempilo ende eshalofini, okwenza kube ukukhetha okungabizi kakhulu kokulondolozwa kokudla.

Ekuphetheni, uNisin empeleni ungukugcina okungokwemvelo okugcina ngezinzuzo eziningi. Izakhiwo zayo zokulwa nama-antimicrobial, umsebenzi obanzi we-spectrum, ukumelana nokushisa kanye nomthelela omncane kwizakhiwo zemizwa kwenza kube yithuluzi elibalulekile labakhiqizi bokudla. Ngokuvunyelwa kwawo okulawulwa nokuphepha okufakazelwe, uNisin uyaqhubeka nokudlala indima ebalulekile ekwandiseni impilo yeshelufu yemikhiqizo yokudla ehlukahlukene ngenkathi evikela ikhwalithi nokuphepha kwabathengi.

Singabakhiqizi abaqeqeshiwe nomhlinzeki weI-collagenna-Izithako Zokudla Izithako.

Uyemukelwa ukuxhumana nathi ukuthola eminye imininingwane.

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