摘要：The striped catfish (Pangasianodon hypophthalmus), exported mainly by Vietnam, has been widely accepted by global consumers due to its white meat and low cost. However, the highly perishable nature of fish requires the use of alternative technologies to ensure quality and safety for prolonged storage periods under refrigeration. This study investigated the effect of UV-C radiation (1.95 mW/cm2 for 90 s) on biochemical quality parameters of striped catfish fillets stored at 4 °C for 9 days. Refrigerated samples were analyzed for biogenic amines, pH, total volatile basic nitrogen (TVB-N), ammonia, and lipid oxidation. UVC-treated fillets had lower (P 0.05) on days 7 and 9. This technology is a possible alternative for conservation of striped catfish fillets, but other doses of UV-C must be evaluated to mitigate or prevent the negative effect on lipid oxidation observed here.
其他摘要：The striped catfish ( Pangasianodon hypophthalmus ) is a fish specie, exported mainly by Vietnam, which have been widely accepted due to white meat and low cost. However, fish is a matrix higly perishable, which requires application of alternative technologies to ensure quality and safety for prolonged storage period under refrigeration. Therefore, the effect of UV-C radiation (1.95 mW/cm 2 for 90 s) on biochemical quality parameters of striped catfish ( Pangasianodon hypophthalmus ) fillets stored at 4ºC for 9 days was investigated. Frozen striped catfish fillets were analyzed for biogenic amines, pH, total volatile basic nitrogen (TVB-N), ammonia and lipid oxidation. UV-C treated fillets exhibited lower ( P < 0.05) TVB-N, ammonia and biogenic amines levels than untreated fillets during storage period, while lipid oxidation was increased ( P < 0.05) by UV-C treatment. This technology could be an alternative for conservation of striped catfish fillets, however, other doses should be studied to prevent lipid oxidation.
