ABSTRACT
Hundred random samples of salted fish products (fesiekh, sardine, moluoha and herring); canned smoked (mackerel and tuna); canned fish (mackerel, anchovy, sardine and tuna) 10 of each were collected from different super markets in El-Sharkia Governorates, Egypt. The pH values in examined salted fish products were 6.39 ± 0.03, 6.28 ± 0.05, 6.44 ± 0.06 , 6.17± 0.07, 6.23 ± 0.04, 6.11± 0.03, 6.59 ± 0.05, 6.46 ± 0.06, 6.41± 0.04 and 6.52 ± 0.05 in examined fesiekh, sardine, moluoha and salted smoked herring, canned smoked mackerel, canned smoked tuna, canned mackerel, canned anchovy canned sardine and canned tuna, respectively. The total volatile basic nitrogen TVB-N values in examined salted fish products were 27.91 ± 0.79, 23.16 ± 0.84, 29.53 ± 1.03 and 19.87± 0.82 31.35 ± 0.98, 16.39± 0.72, 38.25 ± 0.78, 33.31 ± 1.13,34.78± 1.06 and 22.06 ± 0.84 mg/100g in examined fesiekh, sardine, moluoha , salted smoked herring, canned smoked mackerel, canned smoked tuna, canned mackerel, canned anchovy canned sardine and canned tuna, respectively. The TMA values in examined salted fish products were 7.08 ± 0.32, 5.73 ± 0.28, 7.35 ± 0.48, 4.62± 0.24, 5.40 ± 0.34, 4.06± 0.23, 7.18 ± 0.37, 5.86 ± 0.28, 6.27± 0.41 and 5.14 ± 0.31mg/100g in examined fesiekh, sardine, moluoha and salted smoked herring, canned smoked mackerel, canned smoked tuna, canned mackerel, canned anchovy canned sardine and canned tuna, respectively. The TBA values in examined salted fish products were 3.47 ± 0.34, 2.9 ± 0.36, 3.84 ± 0.36 and 2.76± 0.32 3.1 ± 0.32, 2.57± 0.31, 3.36 ± 0.32, 2.93 ± 0.34, 3.12± 0.35 and 2.74 ± 0.32 mg malondialdehyde /kg in examined fesiekh, sardine, moluoha and salted smoked herring, canned smoked mackerel, canned smoked tuna, canned mackerel, canned anchovy canned sardine and canned tuna, respectively.