The quality and safety parameters of mixed marinated seafood salad containing common octopus (Octopus vulgaris), shrimp (Parapenaeus longirostris), European squid (Loligo vulgaris), sea snail (Rapana thomasiana) and common cuttlefish (Sepia officinalis) at 4°C during storage of 24 weeks were investigated. In addition, the nutritional value in terms of proximate and fatty acid composition of seafood salad was also determined. Sensory scores of seafood salad in terms of appearance, odour, flavour and texture slightly decreased throughout the storage period. However, at the end of the storage period (5 months), the marinated seafood salad was still acceptable by the panellist. At the beginning of storage the total volatile basic nitrogen (TVB-N) value was 6.05 mg/100 g flesh, and the TVB-N values rose to 11.19 mg TVB-N/ flesh by the end of the storage period. The pH value of the marinated seafood salad showed fluctuations, ranging from 3.57 to 3.65, and did not change significantly during the storage period. The concentrations of the biogenic amines in both the muscle of all species and in the solution of salad were also investigated. Among the biogenic amines, histamine was not detected in all samples throughout the storage period. The putrescine and cadaverine levels increased throughout the storage period, with a lower increase in the solution of seafood salad. Salmonella, coliform, Escherichia coli and Staphylococcus aureus were not detected while the total viable count remained low (3 log CFU/g) after 3 months of storage.

This study investigates seasonal and gender-related variations in some metal (Cd, Cr, Cu, Fe, Hg, Mn, Ni, Pb, Se, and Zn) accumulation in black scorpionfish (Scorpaena porcus) from Izmir Bay (Aegean Sea, Türkiye) and assesses the associated human health risks. Samples, collected across four seasons from 2023 to 2024, were analyzed for element concentrations using inductively coupled plasma mass spectrometry (ICP-MS). Health risks were calculated using several models, including estimated weekly intake (EWI), target hazard quotient (THQ), total THQ (∑THQ), carcinogenic risk (CR), Se health benefit value (HBVSe), and the Metal Pollution Index (MPI). The results indicate that the consumption of black scorpionfish poses potential health risks, primarily due to the accumulation of manganese (Mn), lead (Pb), and mercury (Hg), which exceeded international permissible legal limits. Gender-based differences were observed, with males showing higher accumulation (p > 0.05); however, these differences were not statistically significant. In contrast, significant sex-based differences were identified specifically for cadmium (Cd), with concentrations exhibiting a statistically meaningful difference (p < 0.05). Seasonal variations were also apparent (p < 0.05). The carcinogenic risk (CR) analyses revealed that chromium (Cr) and nickel (Ni) levels surpassed carcinogenic risk thresholds. Furthermore, the MPI values provided additional insights into the overall metal pollution levels in the fish. These findings underscore the critical importance of monitoring metal pollution, revising fishery management strategies, and managing fish consumption to safeguard public health.

Bu çalışmada, Adıyaman Üniversitesi Kâhta Meslek Yüksekokulu öğrencilerinin balık tüketim alışkanlıklarını belirleyerek, balığın beslenmelerindeki yerinin ve öneminin ortaya koyulması amaçlanmıştır. Çalışmayı, 2020‘nin Şubat ayında, toplamda 240 öğrenci ile yapılan anketlerden elde edilen veriler oluşturmuştur. Veriler tanımlayıcı istatistik olarak oran ve yüzde yöntemleri kullanılarak analiz edilmiş ve yorumlanmıştır. Ankete katılan öğrencilere toplamda 15 soru sorulmuştur. Araştırmada öğrencilerin %70,42‘sinin balık tükettiği; balık tüketen öğrencilerin de, %34,34‘nün ayda bir, %14,45‘inin haftada bir kez balık tükettiği belirlenmiştir. Çalışmada, tüketilen balığın öğrenciler tarafından taze olarak, kızartma veya ızgara da pişirme yöntemi kullanılarak tercih edildiği belirlenmiştir. Ayrıca çalışmada öğrencilerin %84.05‘inin balık tüketmeyi sağlık açısından önemli buldukları, %36,54‘ünün balık satın alırken dikkat edilmesi gereken tazelik kriterlerine ilişkin hususlarda bilgi sahibi olmadıkları, %73,53‘ünün balığa kolayca ulaşabildiği, %94,41‘inin ise balık dışında su ürünü tüketmediği görülmüştür. Çalışma sonunda öğrencilerde balık tüketim oranı ile tüketim sıklığının istenilen seviyelerde olmadığı sonucuna varılmıştır.

This study was carried out to detect the content of amino acid in female and male specimens of blue swimming crab (Portunus segnis) obtained from (including 12 male crab and also 12 female crab) North Eastern Mediterranean Sea, Turkey. The protein was identified as 17.63% and 18.13% for female and male crab respevtively. Totally 9 essential amino acids were recorded in the present study. Lysine and leucine constituted the highest essential amino acid (EAA) concentrations in P. segnis. This species was found to be in good score in terms of the level of EAA and the EAA/Non-EAA ratios when compared with other economical crab species.

International Peer-Review E-Journal.