The combined effects of hot smoking and added quince polyphenol (0.8% and 1.6% v/w) on the quality attributes of mullet (Mugil cephalus) fillets were evaluated. Biochemical parameters that were monitored in the fillets during 75 days of storage (4 1 °C) included trimethylamine (TMA-N), volatile basic nitrogen (TVB-N), fatty acids and amino acids. Data were submitted to principal component a…