Iyipo yii je  ipoyi ibasepo kemika ago ara akoko ti won maa koko sawari (Hans Krebs ati Kurt Henseleit, 1932), ni odun marun seyin ki won to sawari Iyipo TCA.. 
Nígbà míràn àwọn ibi tí omi ara maa ń gbà lè fi ara gba, tí ó sì lè fa ibà tàbí kí ó maa rẹ̀ ènìyàn.ẹsẹ àti ojú ni ó sábà maa ń rán, bí ó tilẹ̀ jẹ́ wípé kò sí ibi tí ko lo ran lára.. 