Urwego rwo gusaba
Bikwiranye no guhumeka ni munsi yubucucike bwibintu byumunyu, hamwe nubushyuhe bukabije, ubukonje, ifuro, kwibumbira hamwe ni bike, ibintu byiza byamasosi nziza. By'umwihariko bikwiriye amata, glucose, krahisi, xylose, imiti, imiti n’ibinyabuzima, ubwubatsi bw’ibidukikije, imyanda itunganya imyanda n’ibindi byo guhumeka no guhundagurika, ubushyuhe buke bukomeza bufite uburyo bwo kohereza ubushyuhe bwinshi, igihe gito cyo gushyushya ibikoresho, nibindi bintu byingenzi biranga.