Comparison of elemental composition in two wild and cultured marine fish and potential risks to human health

Abstract

Among all available species, fish are a powerful model for risk-benefit assessments to study the effects of contaminants on human health. Gilthead seabream (Sparus aurata, Linnaeus 1758) and european seabass (Dicentrarchus labrax, Linnaeus 1758) are two species of great economic importance, representing very large production volumes in the Mediterranean. The objective of this study is (1) to analyze the concentrations of Trace Elements (TE) between wild and cultured seabream and seabass specimens, (2) to compare the determined concentrations with other studies, and (3) to increase the data about the potential risks to human health. Our results point to significant intra- and interspecies-specific differences between wild and cultured fish for several trace elements. Several strong and moderate inter-elemental correlations in fish muscle were observed through correlation analysis. In our study, the mean levels of trace elements were still below the standard safety values for fish intended for human consumption. The same results were reached for all the parameters analyzed (international legal limits, estimated weekly intake, provisional tolerable weekly intake, target hazard quotient, target cancer risk), with trace element levels in fish below those that could pose a risk to human health. Consequently, these fish can be considered safe for human consumption. A better understanding of the levels of trace elements in fish would also better inform consumers about the potential risks of exposure to contaminants.

Selected minerals concentration and microbiological safety in non-carcass bovine components of “PANELADA” dish

“…As it can be seen in Table 3, the zinc content found in raw Panelada dish was higher in the different types of meat, except for the value found for bovine loin (Camargo et al, 2008), being 45% lower. For example, the zinc content reported for fish meat is 13-and 21-fold lower than that found in our study for raw Panelada (Bilandžić et al, 2014;Marengo et al, 2018). Considering the copper content, raw sample was higher 9, 7 and 4 times than that of bovine fillet, pork loin and chicken chest, respectively, reported by Lombardi-Boccia et al (2005).…”

Cadmium Toxicity-Induced Oxidative Stress and Genotoxic Effects on Nile tilapia (Oreochromis niloticus L.) Fish: The Protective Role of Fenugreek (Trigonella foenum-graecum) Seeds

“…Cadmium pollution is one of the most harmful heavy metal pollutants in the aquatic environments. Even at sub-lethal concentrations, Cd has a cumulative effect and causes serious physiologic disturbances in fish (Abdel-Tawwab and Wafeek, 2014;Abdel-Tawwab and Wafeek, 2017;Khalesi et al, 2017) and humans (Marengo et al, 2018). So, for Cd detoxification, a scientific tool is essential to sustain the health of the economic farmed fish.…”

Human Health Risk Assessment of Trace Metals in the Commonly Consumed Fish Species in Nakuru Town, Kenya

“…Computed EDI values were compared with PTDI values of Cd (0.001 mg kg −1 day −1 ), Cu (0.5 mg kg −1 day −1 ), and Pb (0.00357 mg kg −1 day −1 ) [47][48][49] to determine whether the daily recommended values were exceeded or not. Target hazard quotient a ratio between exposure to a potentially hazardous element and its reference dose 5 was determined using equation (2). 22 Computed THQ values less than 1 indicate that the exposed population is unlikely to experience adverse effects associated with trace metals.…”

“…Fish is an important component of many meals around the world because it has high contents of proteins, essential fats, vitamins, and minerals. [1][2][3] Its growing demand is evident from the vigorous growth in aquaculture and in the fact that the world's per capita fish consumption has risen from 9.9 kg in the 1960s to 14.4 kg in the 1990s to 19.7 kg in 2013. 4 Nonetheless, increased aquatic pollution caused by industrial discharge, domestic waste, agricultural runoff, mine drainage, and accidental oil spills indicate that fish could be a serious source of human exposure to potentially hazardous substances like trace metals.…”