Postmortem changes in yellow grouper (Epinephelus awoara) fillets stored under vacuum packaging at 0 °C

► Postmortem quality changes of yellow grouper muscle were assessed. ► The shelf life was 26 days under vacuum packaging at 0 °C. ► TMA-N, IMP, HxR, Hx, K value, hardness, chewiness, colour, sensory attributes and microbiological counts were possible spoilage indicators.