Nchekwa anwụ DHHB (Diethylamino hydroxybenzoyl hexyl benzoate)bụ ihe nzacha UV nke nwere oke nnabata na oke UV-A. Na-ebelata oke ikpughe akpụkpọ ahụ mmadụ na radieshon ultraviolet nke nwere ike ibute mmebi foto dị oke njọ na nke na-adịghị ala ala,Nchekwa anwụ DHHBbụ ihe nzacha UV nke nwere ike ịgbaze na mmanụ nke enwere ike itinye na usoro mmanụ nke emulsions.
EDmaRC achọpụtala ihe ndị a: "Ọmụmụ ihe gbasara biomoniting na-egosi na ihe karịrị 90% nke ndị bi na Denmark na-ewepụta ihe nzacha UV n'ime mmamịrị ha ọ bụghị naanị n'oge ọkọchị kamakwa n'afọ niile. Ọ bụ ojiji sara mbara nke ihe nzacha UV n'ụlọ ọrụ mmepụta ihe kpatara ya, ọ bụghị naanị na ihe mkpuchi anyanwụ kamakwa n'ọtụtụ ngwaahịa ndị ọzọ kwa ụbọchị, dị ka ngwaahịa nlekọta onwe onye, nkwakọba nri, arịa ụlọ, uwe, ihe nhicha, ihe egwuregwu, ihe nhicha na ọtụtụ ndị ọzọ. Ojiji zuru oke nke ihe nzacha UV bụ ihe pụrụ iche ha ji echebe agba pụọ na ịcha ọbara ọbara na iji chebe plastik pụọ na ịgbaze n'ihi ikpughe anyanwụ."
Nchekwa anwụ DHHBa kwadoro ya na Yuropu na 2005, a na-erekwa ya na mba Amerịka, Ndịda Amerịka, Meksiko, Japan na Taiwan. O nwere usoro kemịkalụ yiri nke klaasị ọgwụ benxophoenone oge ochie, ọ na-egosikwa ezigbo ike foto. A na-eji ya na mkpokọta ruru 10% na ngwaahịa nchekwa anyanwụ, ma naanị ya ma ọ bụ na njikọta ya na ihe ndị ọzọ na-amịkọrọ UV.Ọ dị mfe ịse foto ma na-enye nchebe siri ike nke UVA.
Ọ nwekwara ezigbo ike ịgbaze, mgbanwe usoro dị mma, yana ezigbo ndakọrịta na nzacha UV na ihe ịchọ mma ndị ọzọ. Sunsafe DHHB na-enye nchekwa radicals efu dị mma ma dịkwa mma maka nlekọta anyanwụ na-adịgide adịgide na ngwaahịa nlekọta ihu mgbochi ịka nká.
Oge ozi: Sep-09-2022