Mu gihe imbuto zikura kandi zigahinduka, inzabibu zitukura zigera ku rwego rwo hejuru rw’ibikenewe bya potasiyumu, fosifore, kalisiyumu, manyeziyumu, na boroni—intungamubiri z’ingenzi zigena ingano y’imbuto, ubwiza n’uburyohe. Kudahuza kw’intungamubiri muri ibi bihe bishobora gutuma imbuto zitinda kwaguka, ingano y’imbuto zidahuje, amatsinda y’imbuto adakora neza; mu gihe cyo gusiga ibara, bishobora gutuma habaho ibara ridahuye (imbuto zifite impande z’icyatsi), indabyo nke, isukari igabanuka, ndetse n’ubwiyongere bwa aside n’ubushyuhe. Kubura kalisiyumu na manyeziyumu byongera ibyago byo gucika kw’imbuto, imbuto zoroshye, n’ibice by’imbuto bikaranze, amaherezo bigabanya cyane umusaruro uboneka ku isoko n’inyungu z’ubuhinzi.