Ukuqinisekiswa Kwesiphetho Esigunyaziwe! I-Silicon Dioxide Iklanywe Njengento Yokudla Nokwelapha Esezingeni Eliphezulu Lokuphepha
Ukuphepha kwezithako zokudla kanye nezithako zemithi kuhlale kuyindaba esemqoka emphakathini. Ngokuncika eziphethweni ezigunyaziwe zokuhlola ukuphepha ze-World Health Organization (WHO) kanye ne-JECFA (Joint FAO/WHO Expert Committee on Food Additives), izici zokuphepha ze-silicon dioxide zithole ukuvunywa okufanayo emhlabeni jikelele: zonke izidingo eziyisisekelo zokuphepha ezikhona manje zihambisana ngokugcwele nohlelo lokuhlola lwe-WHO/JECFA, futhi i-Acceptable Daily Intake (ADI) ye-silicon dioxide ihlukaniswa "njengengacacisiwe", okwenza ibe yinto yokudla kanye nezinto zokusetshenziswa zemithi ezisezingeni eliphezulu kakhulu lokuphepha.
Abathengi abaningi abakuqondi ukuthi i-ADI value isho ukuthini. I-ADI, noma i-Acceptable Daily Intake, iyinkomba eyinhloko yokulinganisa ukuphepha kwezithako. Iziphathimandla zamazwe ngamazwe ezigunyaziwe zibeka i-ADI njengokuthi "akucacisiwe" kuphela ngemuva kokwenza ucwaningo oluningi lwezobuthi futhi ziqinisekisa ukuthi into leyo ayinabo ubungozi bezempilo obucashile uma isetshenziswa ngokujwayelekile, okuwukuphepha okuphezulu kakhulu into yokudla engakuthola.
Lesi siphetho sokuhlola esigunyaziwe sibe yireferensi ebalulekile emazweni omhlaba wonke ekwakheni imithetho namazinga emikhiqizo. I-Silicon dioxide, esetshenziswa njenge-anti-caking agent ekudleni kwansuku zonke nanjenge-excipient emithini, inesisekelo esanele sesayensi samazwe ngamazwe sokuphepha kwayo inqobo nje uma ingezwa ngokulandela izinqubo ezijwayelekile.
Ochwepheshe bezimboni bethule ukuthi ukuhlanganisa izidingo zokuphepha zokuphatha ngokusekelwe ekuhloleni ukuphepha kwamazwe ngamazwe akugcini nje ngokusiza ekulawuleni ukuthuthukiswa kwekhwalithi ephezulu yemboni ye-silicon dioxide, kodwa futhi kungasusa ukungabaza kwemakethe ngokuphepha kwezinto ezingavuthiwe. Njengoba amazinga aphezulu naphansi eqhubeka nokuthuthuka, i-silicon dioxide ehlangabezana nezidingo eziphezulu izosetshenziswa kabanzi nangokuthembekile emkhakheni wokudla nemithi.