Kuvandudzwa kweiyo biodegradable firimu yakavakirwa pachitosan, yakafumiswa ne thyme yakakosha mafuta uye zvinowedzera

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Muchidzidzo ichi, mabhaisikopo anogona kugadzirwa akavakirwa pachitosan (CH) akafumiswa ne thyme akakosha mafuta (TEO) ane akasiyana ekuwedzera anosanganisira zinc oxide (ZnO), polyethylene glycol (PEG), nanoclay (NC) uye calcium.Chloride (CaCl2) uye kuratidza hunhu hwekare mushure mekukohwa kana mufiriji.Mhedzisiro yacho inoratidza kuti kuiswa kweZnO/PEG/NC/CaCl2 mumafirimu akavakirwa paCH kunoderedza zvakanyanya mwero wekufambiswa kwemhute wemvura, kunowedzera simba rekusimba, uye inonyungudika mumvura uye inoora muzvisikwa.Pamusoro pezvo, CH-TEO-based mafirimu akasanganiswa neZnO/PEG/NC/CaCl2 aibatsira zvakanyanya mukuderedza kuonda kwehuremu, kuchengetedza yakazara soluble solids, tittable acidity, nekuchengetedza chlorophyll content, uye yakaratidza yakaderera a*, ichitadzisa utachiona kukura., chitarisiko uye organoleptic hunhu hwekabichi zvinochengetedzwa kwemazuva makumi maviri nemana zvichienzaniswa neLDPE uye mamwe mabhaisikopo anoora.Mhedzisiro yedu inoratidza kuti maCh-based mafirimu akafumiswa neTEO uye ekuwedzera akadai seZnO/CaCl2/NC/PEG inzvimbo yakagadzikana, ine hushamwari kwezvakatipoteredza, uye inoshanda imwe nzira yekuchengetedza sherufu yehupenyu hwemakabheji kana iri firiji.
Synthetic polymeric yekurongedza zvinhu zvakatorwa kubva mupetroleum zvakagara zvichishandiswa muindasitiri yechikafu kuve nechokwadi chemhando uye kuchengetedzeka kwezvakasiyana zvigadzirwa zvekudya.Zvakanakira zvechinyakare zvinhu zvakadaro zvinoonekwa nekuda kwekureruka kwekugadzira, yakaderera mutengo uye yakanakisa chipingamupinyi zvivakwa.Zvisinei, kushandiswa kukuru uye kuraswa kwezvinhu zvisingaparare izvi zvichatowedzera dambudziko rekusvibisa nharaunda.Muchiitiko ichi, kuvandudzwa kwekuchengetedzwa kwezvakatipoteredza zvinhu zvekurongedza kwave nekukurumidza mumakore achangopfuura.Aya mafirimu matsva haana chepfu, biodegradable, inogoneka uye biocompatible1.Pamusoro pekusave nehuturu uye biocompatible, aya mafirimu akavakirwa pane echisikigo biopolymers anogona kutakura antioxidants uye nekudaro haakonzerese kusvibiswa kwechikafu chechikafu, kusanganisira leaching yezvinowedzera senge phthalates.Naizvozvo, aya ma substrates anogona kushandiswa seimwe nzira inogoneka kune yechinyakare peturu-yakavakirwa mapurasitiki sezvo aine maitiro akafanana mukutakura chikafu3.Nhasi, biopolymers inotorwa kubva kumapuroteni, lipids uye mapolysaccharides akabudirira kugadzirwa, ayo ari nhevedzano yezvinhu zvitsva zvekutakura zvine hushamwari.Chitosan (CH) inoshandiswa zvakanyanya mukurongedza chikafu, kusanganisira mapolysaccharides akadai seselulosi uye starch, nekuda kweiyo nyore kugadzira firimu kugona, biodegradability, nani okisijeni uye mhute yemvura impermeability, uye yakanaka mechanical simba kirasi yeakajairika macromolecules.,5.Zvisinei, iyo yakaderera antioxidant uye antibacterial simba yeC mafirimu, ayo ari maitiro anokosha ekushanda kwemafirimu ekuputira zvokudya, anoderedza kukwanisa kwavo6, saka mamwe mamorekuru akaiswa mumafirimu eCH kuti agadzire mhando itsva dzine kushandiswa kwakakodzera.
Mafuta akakosha anobva muzvirimwa anogona kuiswa mumafirimu ebiopolymer uye anogona kupa antioxidant kana antibacterial zvivakwa kune ekurongedza masisitimu, ayo anobatsira pakuwedzera hupenyu hwesherufu yezvikafu.Thyme yakakosha oiri ndiyo yakanyanya kudzidzwa uye inoshandiswa mafuta akakosha nekuda kweiyo antibacterial, anti-inflammatory uye antifungal properties.Zvinoenderana nekuumbwa kwemafuta akakosha, akasiyana thyme chemotypes akaonekwa, kusanganisira thymol (23-60%), p-cymol (8-44%), gamma-terpinene (18-50%), linalool (3-4%). )%) uye carvacrol (2-8%) 9, zvisinei, thymol ine simba rakasimba rinorwisa mabhakitiriya nekuda kwezvinyorwa zve phenols mairi10.Zvinosuruvarisa, kuiswa kwemafuta anokosha emiti kana maitiro avo anoshanda mubiopolymer matrices anoderedza zvakanyanya simba remagetsi remafirimu anowanikwa biocomposite11,12.Izvi zvinoreva kuti zvinhu zvekurongedza uye mafirimu epurasitiki ane zvidyarwa akakosha oiri anofanirwa kuisirwa kumwe kuomeswa kurapwa kuti vavandudze michina yezvikafu zvekurongedza kwavo.


Nguva yekutumira: Oct-25-2022