acetyl co-enzyme A 1 topic · 1 source Science› Biotechnology and GeneticsFood Biotechnology(Abbreviation: acetyl CoA) A compound formed in the mitochondria when an acetyl group (CH3CO-) - derived from breakdown of fats, protein s, or carbohydrates - combines with the thiol group (-SH) of co-enzyme A.UN Food and Agriculture Organization — Glossary of Biotechnology for Food and Agriculture Cite