Ngaba i-Titanium Dioxide ekutyeni iyingozi?

Ukhuseleko lwetitanium dioxide (I-TiO2) ekutyeni ibe ngumxholo wengxoxo kunye nokuphononongwa kwiminyaka yakutshanje. I-Titanium dioxide isetyenziswa njengesongezo sokutya ikakhulu kumbala wayo omhlophe, ukungafihli, kunye nobuchule bokuphucula inkangeleko yemveliso ethile yokutya. Ibhalwe njenge-E171 kwi-European Union kwaye ivumelekile ukuba isetyenziswe ekutyeni nakwiziselo kumazwe amaninzi kwihlabathi jikelele.

$Ukutya-iBanga le-Titanium Dioxide: iiPropati, iiNkqubo, kunye noKhuseleko lweNgqwalasela Intshayelelo: I-Titanium dioxide (TiO2) iyiminerali eyenzeka ngokwemvelo esetyenziswe ngokubanzi njenge-pigment emhlophe kwizicelo ezahlukeneyo zoshishino ngenxa ye-opacity egqwesileyo kunye nokukhanya. Kwiminyaka yakutshanje, i-titanium dioxide iye yangena kwishishini lokutya njengesongezo sokutya, eyaziwa ngokuba yi-food-grade titanium dioxide. Kwesi sincoko, siza kuphonononga iipropathi, usetyenziso, uqwalaselo lokhuseleko, kunye nemiba yolawulo ye-titanium dioxide yebakala lokutya. Iipropathi zoKutya-iBanga le-Titanium Dioxide: I-titanium dioxide yebakala lokutya yabelana ngeepropati ezininzi kunye nenkampani yayo yoshishino, kodwa ngokuqwalaselwa okuthe ngqo kukhuseleko lokutya. Ngokuqhelekileyo ikhona kwimo yomgubo ocolekileyo, omhlophe kwaye yaziwa ngesalathisi sayo esiphezulu se-refractive, esinika ukukhanya okugqwesileyo kunye nokuqaqamba. Ubungakanani be-particle ye-titanium dioxide yebanga lokutya ilawulwa ngononophelo ukuze kuqinisekiswe ukusabalalisa okufanayo kunye nefuthe elincinci kwi-texture okanye incasa kwiimveliso zokutya. Ukongezelela, i-titanium dioxide yebakala lokutya ihlala iphantsi kweenkqubo zokucoca ngokungqongqo ukususa ukungcola kunye nokungcola, ukuqinisekisa ukufaneleka kwayo ukusetyenziswa kwizicelo zokutya. Iindlela Zokuvelisa: I-titanium dioxide yodidi lokutya inokuveliswa kusetyenziswa iindlela zendalo nezokwenziwa. I-titanium dioxide yendalo ifumaneka kwiidiphozithi zezimbiwa, ezifana ne-rutile kunye ne-ilmenite, ngeenkqubo ezifana nokutsalwa kunye nokucocwa. I-Synthetic titanium dioxide, kwelinye icala, yenziwa ngeenkqubo zemichiza, ezibandakanya ukusabela kwe-titanium tetrachloride ngeoksijini okanye i-sulphur dioxide kumaqondo obushushu aphezulu. Nokuba yeyiphi na indlela yokuvelisa, imilinganiselo yolawulo lomgangatho ibalulekile ukuze kuqinisekiswe ukuba i-titanium dioxide yodidi lokutya iyahlangabezana nemigangatho engqongqo yococeko kunye nokhuseleko. Usetyenziso kuShishino lokuTya: I-titanium dioxide yebakala lokutya isebenza ngokuyintloko njenge-arhente emhlophe kunye ne-opacifier kuluhlu olubanzi lweemveliso zokutya. Isetyenziswa ngokuqhelekileyo kwi-confectionery, i-dairy, iimpahla ezibhakiweyo, kunye nezinye iindidi zokutya ukunyusa ukubukeka okubonakalayo kunye nokuthungwa kwezinto zokutya. Umzekelo, i-titanium dioxide yongezwa kwiingubo zeelekese ukuze kuphunyezwe imibala eqaqambileyo kunye neemveliso zobisi ezifana neyogathi kunye ne-ayisikrimu ukuphucula ukukhanya kwazo kunye ne-creaminess. Kwiimpahla ezibhakiweyo, i-titanium dioxide inceda ukudala ukubonakala okuqaqambileyo, okufanayo kwiimveliso ezifana ne-frosting kunye nemixube yekeyiki. Ubume boLawulo kunye neNgqwalasela yoKhuseleko: Ukhuseleko lwe-titanium dioxide yodidi lokutya ngumxholo wengxoxo eqhubekayo kunye nokuhlolwa okusemthethweni. Ii-arhente ezilawulayo kwihlabathi jikelele, kuquka i-Food and Drug Administration (FDA) e-United States kunye ne-European Food Safety Authority (EFSA) eYurophu, ziye zavavanya ukhuseleko lwe-titanium dioxide njengesongezo sokutya. Ngelixa i-titanium dioxide ibonwa ngokubanzi njengekhuselekile (i-GRAS) xa isetyenziswe ngaphakathi kwemida echaziweyo, iinkxalabo ziye zaphakanyiswa malunga nobungozi bempilo obunokubakho obunxulumene nokusetyenziswa kwayo, ngakumbi kwifomu ye-nanoparticle. Iimpembelelo zempilo ezinokubakho: Uphando luye lwabonisa ukuba i-titanium dioxide nanoparticles, encinci kune-nanometers ye-100 ngobukhulu, inokuba namandla okungena kwimiqobo yezinto eziphilayo kwaye iqokelele kwizicubu, iphakamisa inkxalabo malunga nokhuseleko lwazo. Izifundo zezilwanyana zibonise ukuba idosi ephezulu ye-titanium dioxide nanoparticles inokubangela iziphumo ezibi kwisibindi, izintso kunye namanye amalungu. Ukongezelela, kukho ubungqina obubonisa ukuba i-titanium dioxide nanoparticles inokubangela uxinzelelo lwe-oxidative kunye nokuvuvukala kwiiseli, ezinokuthi zibe negalelo ekuphuhliseni izifo ezingapheliyo. Amaqhinga okunciphisa kunye neendlela ezizezinye: Ukujongana neenkxalabo malunga nokhuseleko lwe-titanium dioxide yebakala lokutya, iinzame ziyaqhubeka ukuphuhlisa ezinye ii-agent ezimhlophe kunye ne-opacifiers ezinokufezekisa iziphumo ezifanayo ngaphandle kweengozi zempilo ezinokuthi zibekho. Abanye abavelisi baphonononga ezinye iindlela zendalo, ezifana ne-calcium carbonate kunye ne-rice starch, njengokutshintsha kwe-titanium dioxide kwiindawo ezithile zokutya. Ukongeza, ukuqhubela phambili kwi-nanotechnology kunye nobunjineli bamasuntswana kunokubonelela ngamathuba okunciphisa imingcipheko ehambelana ne-titanium dioxide nanoparticles ngokuphuculwa koyilo lwamasuntswana kunye nokuguqulwa komhlaba. Ukwaziswa kwabathengi kunye nokuFakwa kweeLebhile: Ukuleyibhile ngokungafihlisiyo kunye nokufundisa abathengi kubalulekile ekwaziseni abathengi malunga nobukho bezongezo zokutya ezifana ne-titanium dioxide kwiimveliso zokutya. Ukubhala iilebhile ezicacileyo nezichanekileyo zinokunceda abathengi benze ukhetho olufanelekileyo kwaye baphephe iimveliso ezinezongezo apho banokuba novakalelo okanye izinto ezibaxhalabisayo. Ngaphaya koko, ulwazi olwandisiweyo lwezongezo zokutya kunye neziphumo zazo zempilo ezinokubakho zinokuxhobisa abathengi ukuba bathethelele ukhuseleko kunye nokubonelela ngokutya okucacileyo ngakumbi. Umbono wexesha elizayo kunye nezikhokelo zoPhando: Ikamva lebakala lokutya le-titanium dioxide lixhomekeke kwiinzame zophando eziqhubekayo zokuqonda ngcono iprofayile yokhuseleko kunye neziphumo zempilo ezinokubakho. Ukuqhubela phambili okuqhubekayo kwi-nanotoxicology, ukuhlolwa kokuvezwa, kunye nokuhlolwa komngcipheko kuya kubaluleka ekwaziseni izigqibo ezilawulayo kunye nokuqinisekisa ukusetyenziswa okukhuselekileyo kwe-titanium dioxide kwizicelo zokutya. Ukongeza, uphando kwezinye iiarhente ezimhlophe kunye nee-opacifiers zinesithembiso sokujongana neenkxalabo zabathengi kunye nokuqhuba ukutsha kushishino lokutya. Isiphelo: I-titanium dioxide yebakala lokutya idlala indima ebalulekileyo kwishishini lokutya njenge-agent emhlophe kunye ne-opacifier, iphucula umtsalane obonakalayo kunye nokwakheka koluhlu olubanzi lweemveliso zokutya. Nangona kunjalo, iinkxalabo malunga nokhuseleko lwayo, ngokukodwa kwifom ye-nanoparticle, ibangele ukuqwalaselwa kokulawula kunye nemigudu yophando eqhubekayo. Njengoko siqhubeka nokuphonononga ukhuseleko kunye nokusebenza kakuhle kwe-titanium dioxide yebakala lokutya, kubalulekile ukubeka phambili ukhuseleko lwabathengi, ukungafihli, kunye nokuveliswa kwezinto ezintsha kwikhonkco lokubonelela ngokutya.$

Ngelixa i-titanium dioxide ithathwa njengekhuselekile ukuba isetyenziswe ngabasemagunyeni abalawulayo njenge-US Food and Drug Administration (FDA) kunye ne-European Food Safety Authority (EFSA) xa isetyenziswe ngaphakathi kwemida echaziweyo, iinkxalabo ziye zaphakanyiswa malunga nemiphumo yayo yezempilo, ngakumbi kwi-nanoparticle. ifomu.

Nazi iingongoma ezibalulekileyo ekufuneka uziqwalasele:

Ubungakanani beParticle: I-Titanium dioxide ingabakho kwifom ye-nanoparticle, ebhekisela kwiinqununu ezinemilinganiselo kwisikali se-nanometer (1-100 nanometers). I-Nanoparticles ingabonisa iipropati ezahlukeneyo xa kuthelekiswa namasuntswana amakhulu, kubandakanywa nokwanda kwendawo kunye nokusebenza kwakhona. Olunye uphononongo lucebisa ukuba amasuntswana e-nanoscale titanium dioxide anokuthi abeke imingcipheko yempilo, efana noxinzelelo lwe-oxidative kunye nokudumba, ngakumbi xa ityiwe ngobuninzi.
Izifundo zobutyhefu: Uphando malunga nokhuseleko lwe-titanium dioxide nanoparticles ekutyeni luyaqhubeka, kunye neziphumo eziphikisanayo ezivela kwizifundo ezahlukeneyo. Ngelixa ezinye iiphononongo ziphakamise iinkxalabo malunga neziphumo ezibi ezinokubakho kwiiseli zamathumbu kunye nempilo yenkqubo, abanye abafumananga tyhefu ibalulekileyo phantsi kweemeko zokuvezwa ngokwenyani. Uphando olongezelelweyo luyafuneka ukuze uqonde ngokupheleleyo iimpembelelo zezempilo zexesha elide lokutya ukutya okuqukethe i-titanium dioxide nanoparticles.
Ulawulo Lolawulo: Ii-arhente ezilawulayo, ezifana ne-FDA eUnited States kunye ne-EFSA kwi-European Union, ziye zavavanya ukhuseleko lwe-titanium dioxide njengesongezo sokutya ngokusekelwe kubungqina obukhoyo besayensi. Imimiselo yangoku ichaza imida eyamkelekileyo yemihla ngemihla ye-titanium dioxide njengesongezo sokutya, ejolise ekuqinisekiseni ukhuseleko lwayo kubathengi. Nangona kunjalo, ii-arhente ezilawulayo ziyaqhubeka nokubeka iliso kuphando olusakhulayo kwaye zinokuphinda zihlaziye iimvavanyo zokhuseleko ngokufanelekileyo.
Uvavanyo loMngcipheko: Ukukhuseleka kwetitanium dioxide ekutyeni kuxhomekeke kwizinto ezifana nobungakanani bamasuntswana, inqanaba lokuba sesichengeni, kunye nokuba buthathaka komntu ngamnye. Ngelixa uninzi lwabantu lungenakufane lube neziphumo ezibi ngokutya ukutya okune-titanium dioxide ngaphakathi kwemida yolawulo, abantu abanovelwano oluthile okanye iimeko zempilo eziphantsi banokukhetha ukukuphepha ukutya okune-titanium dioxide eyongeziweyo njengenyathelo lokhuseleko.

Isishwankathelo, i-titanium dioxide ivunyelwe njengesongezo sokutya kumazwe amaninzi kwaye ngokuqhelekileyo ithathwa njengekhuselekile ukuba isetyenziswe ngaphakathi kwemida yokulawula. Nangona kunjalo, iinkxalabo ziyaqhubeka malunga neziphumo zempilo ezinokubakho ze-titanium dioxide nanoparticles, ngakumbi xa isetyenziswe ngobuninzi ngexesha elide. Uphando oluqhubekayo, iileyibhile ezicacileyo, kunye nokulawulwa kokulawula kubalulekile ekuqinisekiseni ukhuseleko lwe-titanium dioxide ekutyeni kunye nokujongana neenkxalabo zabathengi.

Ixesha lokuposa: Mar-02-2024