Nubwoko bwa acide kama, nigicuruzwa cya metabolike cyibinyabuzima, acide binary, ikwirakwizwa cyane mubimera, inyamaswa n ibihumyo, kandi mubinyabuzima bitandukanye bigira imirimo itandukanye.Byagaragaye ko aside ya oxyde ikungahaye ku bwoko burenga 100 bwibimera, cyane cyane epinari, amaranth, beterave, purslane, taro, ibijumba na rhubarb.Kubera ko aside ya oxydeque ishobora kugabanya bioavailable yibintu byamabuye y'agaciro, ifatwa nkumuntu urwanya kwinjiza no gukoresha ibintu byamabuye y'agaciro.Anhydride yayo ni karubone sesquioxide.