nchekwa DHHB (Diethylamino hydroxybenzoyl hexyl benzoate)bụ ihe nzacha UV nwere nnabata dị elu na oke UV-A. Na-ebelata oke ikpughe akpụkpọ ahụ mmadụ na radieshon ultraviolet nke nwere ike ibute mmebi foto na-adịghị ala ala,Nchekwa DHHBbụ ihe nzacha UV na-agbaze mmanụ nke enwere ike itinye na oge mmanụ nke emulsions.
EDmaRC achọpụtala ihe ndị a “Nchọpụta nyocha biomonitoring na-egosi na ihe karịrị 90% nke ndị Danish na-ewepụ ihe nzacha UV na mmamịrị ha ọ bụghị naanị n'oge ọkọchị kamakwa n'ime afọ niile. Ọ na-akpata ya site na nnukwu ụlọ ọrụ mmepụta ihe nke ihe nzacha UV, ọ bụghị naanị na sunscreens kamakwa n'ọtụtụ ngwaahịa ndị ọzọ na-azụ ahịa kwa ụbọchị, dị ka ngwaahịa nlekọta onwe onye, nkwakọ nri, arịa ụlọ, uwe, ncha, ihe egwuregwu ụmụaka, ndị na-ehicha ihe na ọtụtụ ndị ọzọ. Ihe nzacha UV zuru ebe niile bụ ihe pụrụ iche ha nwere iji chebe agba ka ọ ghara ịcha ncha na iji chebe plastik ka ọ ghara ịgbaze n'ihi ikpughe anyanwụ."
Nchekwa DHHBkwadoro na Europe na 2005, a na-erekwa ya na US, South America, Mexico, Japan na Taiwan. Ọ nwere usoro kemịkalụ yiri klas ọgwụ benxophoenone oge gboo, ma na-egosiputa ezigbo fotostability. A na-eji ya na mkpokọta ihe ruru 10% na ngwaahịa mkpuchi anwụ, ma ọ bụ naanị ya ma ọ bụ jikọtara ya na ihe ndị ọzọ na-etinye UV.Ọ na-ese foto nke ukwuu ma na-enye nchebe UVA siri ike.
Ọ nwekwara ezigbo solubility, ọmarịcha usoro mgbanwe, yana ezigbo ndakọrịta na nzacha UV ndị ọzọ na ihe ịchọ mma. Sunsafe DHHB na-enye nchebe radicals n'efu ma dị mma maka nlekọta anyanwụ na-adịte aka yana ngwaahịa nlekọta ihu na-egbochi ịka nká.
Oge nzipu: Sep-09-2022