Ingabe I-Titanium Dioxide Ekudleni Iyingozi?

Ukuphepha kwe-titanium dioxide (I-TiO2) ekudleni kube yisihloko senkulumompikiswano kanye nokucutshungulwa eminyakeni yamuva nje. I-Titanium dioxide isetshenziswa njengesengezo sokudla ngokuyinhloko ngombala wayo omhlophe, ukungafihli, kanye nekhono lokuthuthukisa ukubukeka kwemikhiqizo ethile yokudla. Ilebulwe ngokuthi E171 e-European Union futhi ivunyelwe ukusetshenziswa ekudleni naseziphuzweni emazweni amaningi emhlabeni jikelele.

$I-Titanium Dioxide yeBanga Lokudla: Izakhiwo, Izinhlelo zokusebenza, kanye Nokucatshangelwa Kokuphepha Isingeniso: I-Titanium dioxide (TiO2) iyiminerali eyenzeka ngokwemvelo esetshenziswe kabanzi njengebala elimhlophe ekusetshenzisweni kwezimboni ezihlukahlukene ngenxa yokufiphala kwayo okuhle kakhulu nokukhanya. Eminyakeni yamuva nje, i-titanium dioxide nayo iye yangena embonini yokudla njengesengezo sokudla, eyaziwa ngokuthi i-titanium dioxide esezingeni lokudla. Kulesi sihloko, sizohlola izakhiwo, izinhlelo zokusebenza, ukucatshangelwa kokuphepha, nezici zokulawula ze-titanium dioxide yezinga lokudla. Izakhiwo Zebanga Lokudla Le-Titanium Dioxide: I-titanium dioxide yezinga lokudla yabelana ngezakhiwo eziningi nozakwabo wezimboni, kodwa ngokucatshangelwa okuqondile kokuphepha kokudla. Ivamise ukuba khona ngendlela yempushana ecolekile, emhlophe futhi yaziwa ngenkomba yayo ephezulu ye-refractive, eyinikeza ukukhanya okuhle kakhulu nokukhanya. Usayizi wezinhlayiyana ze-titanium dioxide yezinga lokudla ulawulwa ngokucophelela ukuze kuqinisekiswe ukuhlakazeka okufanayo kanye nomthelela omncane ekuthungeni noma ekunambithekeni kwemikhiqizo yokudla. Ukwengeza, i-titanium dioxide yezinga lokudla ivamise ukuba ngaphansi kwezinqubo zokuhlanza ngokuqinile ukuze kususwe ukungcola nokungcola, iqinisekise ukufaneleka kwayo ukusetshenziswa lapho kufakwa ukudla. Izindlela Zokukhiqiza: I-titanium dioxide yezinga lokudla ingakhiqizwa kusetshenziswa izindlela zemvelo nezokwenziwa. I-titanium dioxide yemvelo itholakala kumadiphozithi amaminerali, njenge-rutile ne-ilmenite, ngezinqubo ezifana nokukhipha nokuhlanzwa. I-synthetic titanium dioxide, ngakolunye uhlangothi, ikhiqizwa ngezinqubo zamakhemikhali, ngokuvamile ezibandakanya ukusabela kwe-titanium tetrachloride nomoya-mpilo noma i-sulphur dioxide emazingeni okushisa aphezulu. Kungakhathalekile ukuthi iyiphi indlela yokukhiqiza, izinyathelo zokulawula ikhwalithi zibalulekile ukuze kuqinisekiswe ukuthi i-titanium dioxide yezinga lokudla ihlangabezana nezindinganiso eziqinile zokuhlanzeka kanye nezokuphepha. Izicelo Embonini Yokudla: I-titanium dioxide yezinga lokudla isebenza ngokuyinhloko njenge-ejenti emhlophe ne-opacifier emikhiqizweni eminingi yokudla. Ivame ukusetshenziswa kumaconfectionery, ubisi, izimpahla ezibhakwayo, nezinye izigaba zokudla ukuze kuthuthukiswe ukubukeka nokubukeka kwezinto zokudla. Isibonelo, i-titanium dioxide yengezwa kumaswidi ukuze kutholakale imibala egqamile kanye nemikhiqizo yobisi efana neyogathi no-ayisikhilimu ukuze kuthuthukiswe ukufiphala nokucwenga kwazo. Ezimpahleni ezibhakwayo, i-titanium dioxide isiza ukudala ukubukeka okugqamile, okufanayo emikhiqizweni efana nesithwathwa nezixube zamakhekhe. Isimo Sokulawula Nokucatshangelwa Kokuphepha: Ukuphepha kwe-titanium dioxide yezinga lokudla kuyindaba yenkulumompikiswano eqhubekayo kanye nokuhlolwa kokulawula. Ama-ejensi alawulayo emhlabeni wonke, okuhlanganisa iFood and Drug Administration (FDA) e-United States kanye ne-European Food Safety Authority (EFSA) eYurophu, ahlole ukuphepha kwe-titanium dioxide njengesithako sokudla. Nakuba i-titanium dioxide ngokuvamile ibonwa njengephephile (i-GRAS) uma isetshenziswa ngaphakathi kwemikhawulo ethile, kuphakanyiswe ukukhathazeka mayelana nezingozi zezempilo ezingaba khona ezihlobene nokusetshenziswa kwayo, ikakhulukazi kufomu le-nanoparticle. Imiphumela Yezempilo Engaba Khona: Ucwaningo luye lwasikisela ukuthi i-titanium dioxide nanoparticles, engaphansi kwama-nanometer angu-100 ngosayizi, ingase ibe namandla okungena emigoqweni yezinto eziphilayo futhi inqwabelane ezicutshini, iphakamise ukukhathazeka ngokuphepha kwayo. Ucwaningo lwezilwane lubonise ukuthi imithamo ephezulu ye-titanium dioxide nanoparticles ingase ibangele imiphumela emibi esibindini, ezinso, nakwezinye izitho. Ngaphezu kwalokho, kunobufakazi bokuthi i-titanium dioxide nanoparticles ingase ibangele ukucindezeleka kwe-oxidative nokuvuvukala kwamangqamuzana, okungase kube nomthelela ekwakhiweni kwezifo ezingapheli. Amasu Okunciphisa Nezinye izindlela: Ukuze kubhekwane nokukhathazeka mayelana nokuphepha kwe-titanium dioxide yezinga lokudla, imizamo iyaqhubeka yokuthuthukisa ezinye izinto ezibenza babe mhlophe nama-opacifiers angazuza imiphumela efanayo ngaphandle kwezingozi ezingaba khona zezempilo. Abanye abakhiqizi bahlola ezinye izindlela zemvelo, njenge-calcium carbonate nesitashi serayisi, njengokuthatha indawo ye-titanium dioxide ezinhlelweni ezithile zokudla. Ukwengeza, intuthuko ku-nanotechnology kanye nobunjiniyela bezinhlayiyana ingase inikeze amathuba okunciphisa ubungozi obuhlobene ne-titanium dioxide nanoparticles ngokwakhiwa kwezinhlayiyana okuthuthukisiwe nokuguqulwa kwendawo. Ukuqwashisa Umthengi Nokulebula: Ukulebula okusobala kanye nokufundisa abathengi kubalulekile ekwaziseni abathengi mayelana nokuba khona kwezithasiselo zokudla njenge-titanium dioxide emikhiqizweni yokudla. Ukulebula okucacile nokunembile kungasiza abathengi benze izinqumo ezinolwazi futhi bagweme imikhiqizo equkethe izithasiselo abangase babe nezinto ezizwelayo noma ezibakhathazayo. Ngaphezu kwalokho, ukuqwashisa okwengeziwe ngezithasiselo zokudla kanye nemithelela yazo yezempilo engaba khona kunganika amandla abathengi ukuthi bamele uchungechunge lokuhlinzekwa kokudla oluphephile futhi olusobala. I-Outlook yesikhathi esizayo kanye Neziqondiso Zocwaningo: Ikusasa le-titanium dioxide yezinga lokudla lincike emizamweni yocwaningo eqhubekayo yokuqonda kangcono iphrofayili yayo yokuphepha kanye nemiphumela yezempilo engaba khona. Intuthuko eqhubekayo ku-nanotoxicology, ukuhlolwa kokuchayeka, nokuhlola ubungozi kuzobaluleka ekwaziseni ukuthathwa kwezinqumo ezilawulayo kanye nokuqinisekisa ukusetshenziswa okuphephile kwe-titanium dioxide ekufakweni kokudla. Ukwengeza, ucwaningo lwama-ejenti amhlophe amhlophe kanye nama-opacifiers anesithembiso sokubhekana nokukhathazeka kwabathengi kanye nokushayela okusha embonini yokudla. Isiphetho: I-titanium dioxide yezinga lokudla idlala indima ebalulekile embonini yokudla njenge-ejenti emhlophe ne-opacifier, ithuthukisa ukubukeka nokuthungwa kwezinhlobonhlobo zemikhiqizo yokudla. Kodwa-ke, ukukhathazeka ngokuphepha kwayo, ikakhulukazi kufomu le-nanoparticle, kubangele ukucutshungulwa kokulawula kanye nemizamo yocwaningo eqhubekayo. Njengoba siqhubeka nokuhlola ukuphepha nokusebenza ngempumelelo kwe-titanium dioxide yezinga lokudla, kubalulekile ukubeka eqhulwini ukuphepha kwabathengi, ukungafihli lutho, kanye nokusungula izinto ezintsha ochungechungeni lokuhlinzekwa kokudla.$

Nakuba i-titanium dioxide ibhekwa njengephephile ukusetshenziswa yiziphathimandla ezilawulayo ezifana ne-US Food and Drug Administration (FDA) kanye ne-European Food Safety Authority (EFSA) uma isetshenziswa ngaphakathi kwemikhawulo ethile, ukukhathazeka kuye kwaphakanyiswa mayelana nemiphumela yayo yezempilo engaba khona, ikakhulukazi ku-nanoparticle. ifomu.

Nawa amaphuzu abalulekile okufanele uwacabangele:

Usayizi Wezinhlayiyana: I-Titanium dioxide ingaba khona ngendlela ye-nanoparticle, ebhekisela ezinhlayiyeni ezinobukhulu esikalini se-nanometer (ama-nanometer angu-1-100). Ama-Nanoparticles angase abonise izakhiwo ezihlukene uma kuqhathaniswa nezinhlayiya ezinkulu, okuhlanganisa indawo engaphezulu ekhulayo kanye nokusebenza kabusha. Olunye ucwaningo luphakamisa ukuthi izinhlayiya ze-nanoscale titanium dioxide zingase zibe sengozini yezempilo, njengengcindezi ye-oxidative nokuvuvukala, ikakhulukazi uma zidliwe ngobuningi.
Izifundo Zobuthi: Ucwaningo ngokuphepha kwe-titanium dioxide nanoparticles ekudleni luyaqhubeka, nokutholakala okungqubuzanayo okuvela ezifundweni ezihlukahlukene. Nakuba ezinye izifundo ziphakamise ukukhathazeka mayelana nemiphumela emibi engaba khona kumaseli amathumbu kanye nempilo yesistimu, ezinye azitholanga ubuthi obubalulekile ngaphansi kwezimo ezingokoqobo zokuchayeka. Ucwaningo olwengeziwe luyadingeka ukuze uqonde ngokugcwele imiphumela yesikhathi eside yezempilo yokudla okuqukethe i-titanium dioxide nanoparticles.
Ukwengamela Okulawulayo: Ama-ejensi alawulayo, njenge-FDA e-United States kanye ne-EFSA e-European Union, ahlole ukuphepha kwe-titanium dioxide njengesithako sokudla ngokusekelwe ebufakazini besayensi obutholakalayo. Imithetho yamanje icacisa imikhawulo eyamukelekayo yansuku zonke ye-titanium dioxide njengesengezo sokudla, okuhloswe ngayo ukuqinisekisa ukuphepha kwayo kubathengi. Nokho, ama-ejensi alawulayo ayaqhubeka nokuqapha ucwaningo olusafufusa futhi angase abuyekeze ukuhlola kokuphepha ngokufanele.
Ukuhlola Ubungozi: Ukuphepha kwe-titanium dioxide ekudleni kuncike ezintweni ezifana nosayizi wezinhlayiyana, izinga lokuchayeka, kanye nokuba sengozini komuntu ngamunye. Nakuba abantu abaningi bengase babhekane nemiphumela engemihle ngenxa yokudla ukudla okuqukethe i-titanium dioxide ngaphakathi kwemingcele yokulawula, abantu abanozwela oluthile noma izimo zempilo ezicashile bangase bakhethe ukugwema ukudla okune-titanium dioxide eyengeziwe njengesinyathelo sokuqapha.

Kafushane, i-titanium dioxide ivunyelwe njengesengezo sokudla emazweni amaningi futhi ngokuvamile ibhekwa njengephephile ukuthi isetshenziswe ngaphakathi kwemikhawulo yokulawula. Kodwa-ke, ukukhathazeka kuyaqhubeka mayelana nemiphumela yezempilo engaba khona ye-titanium dioxide nanoparticles, ikakhulukazi uma isetshenziswe ngobuningi phakathi nesikhathi eside. Ucwaningo oluqhubekayo, ukulebula okusobala, nokwengamela okulawulwayo kubalulekile ukuze kuqinisekiswe ukuphepha kwe-titanium dioxide ekudleni kanye nokubhekana nokukhathazeka kwabathengi.

Isikhathi sokuthumela: Mar-02-2024