Zipangizo zokhala ndi mafuta zokhala ndi zigoba monga mtedza, mpendadzuwa, thonje, ndi timbewu ta teaseed, ziyenera kuperekedwa kwa chowotcha mbewu kuti zisungidwe ndi kulekanitsidwa ndi mankhusu awo akunja asanayambe kutulutsa mafuta, zipolopolo ndi maso ziyenera kukanikizidwa mosiyana. .Hulls amachepetsa kuchuluka kwa zokolola zamafuta mwa kuyamwa kapena kusunga mafuta mu makeke opaka mafuta.Kuphatikiza apo, sera ndi mitundu yamitundu yomwe imapezeka m'mabotolo imathera mumafuta ochotsedwa, omwe sali ofunikira mumafuta odyedwa ndipo amafunika kuchotsedwa panthawi yoyenga.Dehulling amathanso kutchedwa zipolopolo kapena zokongoletsera.Dongosolo la dehulling ndilofunika ndipo lili ndi maubwino angapo, limawonjezera mphamvu yopanga mafuta, kuchuluka kwa zida zochotsera ndikuchepetsa kuvala kwa chotulutsa, kumachepetsa CHIKWANGWANI ndikuwonjezera mapuloteni am'zakudya.