Ama-CINNAMEHHYDE ama-Akhawunti we-85% ~ 90% wamafutha abalulekile, futhi iChina ingenye yezindawo eziphambili zokutshala zesinamoni, kanye nezinsizakusebenza ze-cinnanamdehyde zicebile. I-CINNAMALDEHYDE (C9h8O) I-Molefanelar SAHS i-Phenyl Group exhunywe kwi-acrylein, esimweni semvelo soketshezi oluphuzi noma ophuzi oluhlaza okwesibhakabhaka, ngesinamoni ehlukile futhi esinamandla, singasetshenziswa kwizinongo kanye namakhambi. Njengamanje, kube nemibiko eminingi nge-Broad-spectrum antibactekeli isenzo se-cinnamaldehyde nendlela yalo, futhi izifundo zikhombisile ukuthi i-cinnanaldehyde inomphumela omuhle we-bacterium kanye nesikhunta. Ensimini yezokwelapha, ezinye izifundo zibukeze inqubekelaphambili yocwaningo ye-cinnanaldehyde ezifweni ze-metabolic, izifo zohlelo lokujikeleza, futhi zithola ukuthi i-cinnanamdehyde inesifo esihle sokulwa nesifo sikashukela, i-anti-litum kanye neminye imisebenzi yakudala. Ngenxa yemithombo yalo ecebile, izithako zemvelo, ukuphepha, ubuthi obuphansi, ukunambitheka okuhlukile kanye nomphumela wokudla okubanzi, kungukudla kokudla okuvunyelwe yi-United States Food and China. Yize inani eliphakeme lingalinganiselwe ekusetshenzisweni, ukuguquguquka kwalo kanye nephunga le-pungent likhawulela uhlelo lwayo olubanzi ekudleni. Ukulungisa i-cinnamaldehyde kwifilimu yokupakisha yokudla kungathuthukisa ukusebenza kwayo kwe-antibacterial futhi kunciphise umthelela wayo wezinzwa ekudleni, futhi kudlale indima ekwenzeni ngcono ikhwalithi yokugcinwa kokudla nokuhamba kanye nokuthola impilo eshalofini.
1. I-antibacterial composite membrane matrix
Iningi locwaningo ngefilimu yokupakisha ye-antibacterial yokudla isebenzisa izinto zemvelo nezingokonakalayo njenge-matrix eyenziwe ngefilimu, kanti ifilimu lokupakisha lilungiselelwe ngokuhlanganisa, Ngenxa yendlela ehlukile yokwenza kanye nokuhambisana phakathi kwama-subbrane ahlukene we-membrane nezinto ezisebenzayo, izakhiwo zolwelwesi oluphelile zihlukile, ngakho-ke kubaluleke kakhulu ukukhetha i-membrane substrate efanele. Ama-substrate asetshenziswayo asetshenziswayo asetshenziswa njengezinto ezisetshenziswayo afaka izinto zokwenziwa ze-bioderhadable ezifana ne-polyvinyl alcohol ne-polypropylene, izinto zemvelo ezifana nama-polysaccharides namaprotheni, nezinto ezihlanganisiwe. I-Polyvinyl Alcohol (PVA) iyi-polymer ekhanyayo, evame ukwakha isakhiwo senethiwekhi enezici ezintathu lapho iwela, futhi inezakhiwo ezinhle kakhulu zemishini nezindawo zokuvimba. Izinsizakusebenza ze-matrix zemvelo ezinjenge-membrane ziningi futhi zitholwa kabanzi. Isibonelo, i-polylactic acid ingavulwa kusuka ezintweni eziluhlaza ezinjenge-starch kanye nommbila, onemithombo eyanele futhi evuselelekayo, i-biocomitability enhle ne-biocomtic, futhi iyona engcono yokupakisha enobungane obuhle kakhulu. I-matrix eyinhlanganisela ivame ukwakhiwa umatikuletsheni emibili noma ngaphezulu ye-membrane, engadlala indima ehambisanayo ngokuqhathaniswa ne-matrix eyodwa ye-membrane.
Izakhiwo zemishini kanye nezindawo ezinesithiyo kuyizinkomba ezibalulekile zokuhlola ukufaneleka kwefilimu yokupakisha. Ukungezwa kwe-cinnamaldehyde kuzokuxhumanisa ne-matrix ye-polymer membrane futhi ngaleyo ndlela kunciphise ububi be-molecular, ukwenyuka kwamandla we-polysaccharide kungenxa yokwandiswa kwenqubo ye-hydrophilic ngesikhathi senqubo yokwakha amafilimu okubangelwa ukufakwa kwe-cinnanaldehyde. Ngaphezu kwalokho, ukukhiqizwa kwegesi kwe-cinnamaldehyde kulwelwesi lokuhlanganiswa okuvamile kwakungekundiswa, okungenzeka kungenxa yokuhlakazwa kwe-polymerde ku-porecule, bese kunciphisa ukumelana nokudluliselwa kwesisindo kwama-molecule amanzi, ekugcineni ulwelwesi lwegesi lwe-cinnamaldehyde lwe-composite. Izakhiwo zemishini kanye nokuvunyelwa kwama-membranes amaningana ahlanganisiwe kuyafana, kepha ukwakheka kwezindawo ezihlukene ze-polymer zihlukile, futhi ukusebenzisana okuhlukile nge-cinnamaldehyde kuzothinta ukusebenza kwefilimu yokupakisha, ngakho-ke kubalulekile ukuthi ukhethe uhlelo lwe-polymer olufanele kanye nokuhlushwa.
Okwesibili, i-cinanamaldehyde kanye nokupakipha Indlela Yokubopha Ifilimu
Kodwa-ke, i-cinnanaldehyde incane kancane emanzini nge-solubity ye-1.4 mg / ml kuphela. Yize ubuchwepheshe obuhlanganisiwe bulula futhi bulula, izigaba ezimbili ze-matrix enamafutha cinanaldehyde kanye ne-matrix enamanzi ancibilikisiwe, futhi izimo eziphakeme zokushisa kanye nezimo eziphakeme kakhulu ezidingekayo kwinqubo yokwakha amafilimu kunciphisa ukugcwala kwe-minanamaldehyde etholakalayo. Kunzima ukufeza umphumela omuhle we-bacteriostatic. Ubuchwepheshe bokushumeka yinqubo yokusebenzisa impahla yodonga ukuze basonge noma i-adsorb into esebenzayo edinga ukufakwa afakwe ukuhlinzeka ukusekelwa kokusebenza noma ukuvikelwa kwamakhemikhali. Ukusetshenziswa kobuchwepheshe bokushumeka ukulungisa i-cinnanaldehyde ezintweni ezisetshenziswayo kungenza ukukhululwa kwayo kancane, ukuthuthukisa izinga lokugcina, ukwelula ukufika kwe-antibacterial yefilimu, futhi kwandise izakhiwo zemishini zefilimu yokupakisha. Njengamanje, izindlela zokwakha ezijwayelekile zokwakha zokuhlanganisa i-cinnanaldehyde ngefilimu yokupakisha zingahlukaniswa izigaba ezimbili: ukwakhiwa kwenkampani yemvelo, kufaka phakathi ukushumeka kwe-polymer, ukushumeka kwe-nano liposome, i-cyclodextrin ukubopha noma ukulayisha. Ngokuhlanganiswa kwenhlanganisela yezemihlangano yesendlalelo kanye ne-electrospinning, i-carnaldehyde yokulethwa kwezifiso ingalungiswa, futhi imodi yesenzo nohlu lwezicelo lwe-cinnamaldehyde lungathuthukiswa.
Ukusetshenziswa kwesinamoni Aldehyde Active Food Packaging Film
Izinhlobo ezahlukene zokudla zinokuqukethwe okuhlukile kwamanzi, ukwakheka kwezakhi kanye nezimo zokugcina kanye nezimo zokuhamba, kanye namandla okukhula kwama-aphage ama-microorganisms ahluke kakhulu. Umphumela wokulondolozwa kwe-cinnamaldehyde antibacterial ukufakwa kokudla okuhlukile nakho kuhlukile.
1. Umphumela wokugcina omusha emifino nezithelo
I-China inothile ngemithombo yezemvelo, phakathi kokukhiqizwa kanye nokusetshenziswa kwemakethe kwemifino nezithelo kukhulu. Kodwa-ke, okuqukethwe komswakama kanye noshukela kwemifino nezithelo kuphezulu, okucebile ngokudla okunempilo, futhi kuthambekele ekungcoleni kwe-microbial kanye nokuwohloka ngesikhathi sokugcina, ukuthuthwa kanye nokuthengisa. Njengamanje, ukusetshenziswa kwe-antibacterial Packaging Film kuyindlela ebalulekile yokuthuthukisa isitoreji kanye nezithelo zokuhamba zekhwalithi yemifino nezithelo futhi kwandise impilo yazo eshalofini. I-Cinnamaldehyde-polylactic acid composite ukufakwa kwama-apula kunganciphisa ukulahleka kwezakhamzimba, kuvimbele ukukhula kwe-rhizopus, futhi kunwebe isikhathi sokugcina sama-apula ezinsukwini eziyi-16. Lapho ifilimu yokupakisha yokudla ye-minanamaldehyhedde isetshenziselwe ukupakishwa kwe-carrot entsha, ukukhula kwesikhunta nemvubelo kuvinjelwe, izinga lokubola lemifino lancishiswa, futhi impilo yeshelufu yanwetshwa yaya ku-12d.
2. Umphumela wokugcina omusha wemikhiqizo yenyama yenyama ukudla ucebile ngamaprotheni, amanoni nezinye izinto, acebile ngokudla okunempilo nokunambitheka okuhlukile. Emazingeni okushisa asekamelweni, ukukhiqizwa kabusha kwama-microorganisms kubangela ukubola kwamaprotheni enyama, ama-carbohydrate namafutha, okuholela ekukhohlisweni kwenyama, indawo enamathela, umbala omnyama, ukulahleka kokuqina, nephunga elingemnandi. Ifilimu yokupakisha yokudla ye-CINNAMEHYDeHyde isetshenziswa kabanzi ekuphaketheni ingulube nokufakwa kwezinhlanzi, kuvimbela kakhulu ukukhula kweStaphylococcus aureus, eScherchechia Coli, i-aeromonas, i-aeromonas, futhi kunganwebeka impilo yeshelufu ye-8 ~ 14D.
I-3. Umphumela wokugcina omusha wemikhiqizo yobisi njengamanje, ukusetshenziswa kwemikhiqizo yobisi eChina kuyanda unyaka nonyaka. Ushizi ungumkhiqizo wobisi ovuthiwe onenani lokudla okunempilo kanye namaprotheni. Kepha ushizi unempilo emfushane eshalofini, futhi izinga lokungcola ezindaweni zokushisa eziphansi lisathusa. Ukusetshenziswa kwefilimu yokupakisha yokudla ye-AllEhyde yokudla kunganweba ngempumelelo impilo yeshelufu yoshizi, kuqinisekiswe ukunambitheka okuhle koshizi, futhi kuvikele ukuwohloka kwesishintshi. Ukuze uthole izingcezu zoshizi nososo ushizi, impilo yeshelufu idluliselwe ezinsukwini ezingama-45 nezinsuku ezingama-26 ngokulandelana isebenzisa ukupakishwa okusebenzayo kweCinanamaldehyde, okulungele ukulondolozwa kwezinsizakusebenza.
I-4. Umphumela wokugcina omusha wesinkwa sokudla kwesitashi nekhekhe yimikhiqizo yesitashi, eyenziwe ngokolweni wefulawa kakolweni, ukotini othambile wephayini, okumnandi futhi okumnandi. Kodwa-ke, isinkwa nekhekhe kube nempilo emfushane yeshalofu futhi kuthambekele ekubumbeni isikhunta ngesikhathi sokuthengisa, okuholela ekunciphiseni kwekhwalithi kanye nokungcola kokudla. Ukusetshenziswa kokupakishwa kokudla okusebenzayo kwe-cinnanaldehyde ekhekhe lesiponji nesinkwa esisikiwe kungavimba ukukhula nokusakazeka kwePenicillium kanye nokubumba okumnyama, futhi kunwebe impilo eshalofini kuya ku-10 ~ 27D, ngokulandelana.
I-CINNAMALDEHYde inezinzuzo zomthombo omningi, i-bacteriostasis ephezulu kanye nobuthi obuphansi. Njengomenzeli we-bacteriostasis ekuphaketheni okusebenzayo kokudla, ukuqina okuhamba kancane kwe-cinnamaldehyde kungathuthukiswa ngokwakha nokwakha umthwali wokulethwa, okubaluleke kakhulu ekuthuthukiseni indawo yokugcina kanye nokuhamba ngempilo yokudla. Eminyakeni yamuva nje, i-cinnanaldehyde yenze izimpumelelo eziningi futhi inqubekela phambili ocwaningweni lokulondolozwa kokudla ukudla, kepha ucwaningo oluhlobene nocwaningo lusesigabeni sokuqala, futhi kusenezinye izinkinga okufanele zixazululwe. Ngokutadisha okuqhathanisayo kwemiphumela ye-Carriers ehlukene yokulethwa kwezindawo ezisetshenziswayo nezindawo zokuvilapha ze-membrane, ukubhekisisa imodi yokwenziwa kwezindawo zokudla okuvela ku-ama-micronaldehyde kanye nokukhishwa kwendlela yokulawula ye-antimicrobial ama-ejenti. Dala futhi uthuthukise izinhlelo zokufaka ezisebenzayo ezingahlangabezana nezidingo zokulondolozwa kokudla ezahlukahlukene.
Isikhathi sePosi: Jan-03-2024