Watywarawan Ariadne, Zenere Juli Luft, Touguinha Gabriela Corati, da Silva Leonardo Pessoa, Bilhalva Douglas Newton, Dias Johnny Ferraz, Zocche Jairo José
Landscape and Vertebrate Ecology Laboratory (LABECO), University of Extremo Sul Catarinense (UNESC), Criciúma, Brazil, Universitária Avenue, 1105, CEP, 88806-000, Criciúma, Santa Catarina, Brazil; Program for Graduate Studies in Environmental Sciences (PPGCA), University of Extremo Sul Catarinense (UNESC), Criciúma, Brazil, Universitária Avenue, 1105, CEP, 88806-000, Criciúma, Santa Catarina, Brazil.
Landscape and Vertebrate Ecology Laboratory (LABECO), University of Extremo Sul Catarinense (UNESC), Criciúma, Brazil, Universitária Avenue, 1105, CEP, 88806-000, Criciúma, Santa Catarina, Brazil.
Mar Pollut Bull. 2025 Jul;216:118012. doi: 10.1016/j.marpolbul.2025.118012. Epub 2025 Apr 23.
This study aimed to analyze the prevalence of trace elements in 30 Perna perna (Linnaeus, 1758) wild mussels each collected from two rocky Brazilian shores of the South Atlantic Ocean. One was located on Praia da Cal (29°21'06.39"S and 49°43'49.57"W) in the municipality of Torres, Rio Grande do Sul state, and the other was located at Praia da Ribanceira (28°11'34.14"S and 48°39'38.4"W), near Imbituba harbor, Santa Catarina. The valves were separated from the soft tissues, and the intestines (visceral portion) were separated from remaining soft tissues (edible tissues) then trace element contents were assessed using particle-induced X-ray emission (PIXE). The abundance of Si, Ti, Mn, Fe, and Br was significantly higher in the visceral portions of mussels from both shores and the trend of Ni, Cu, and As was the same only for mussels from the Torres shore. The abundance of Fe, Ni, Zn, and As was higher in mussels collected from Imbituba than from Torres. The contents of Mn, Fe, Zn, and As exceeded the maximum legal limits recommended for all 60 bivalve mollusks destined for human consumption. These results show that consuming mussels from these shores represents a threat to human food security. They also highlight the impact of harbor activities on the quality of the marine environment. However, evisceration will help to reduce the risk of consuming mussels containing chemical elements that exceed the maximum limits established by guidelines.
本研究旨在分析从南大西洋巴西两个岩石海岸采集的30只野生贻贝（Perna perna，林奈，1758）中微量元素的含量。一个采集地点位于南里奥格兰德州托雷斯市的卡尔海滩（南纬29°21'06.39"，西经49°43'49.57"），另一个位于圣卡塔琳娜州伊姆比图巴港附近的里班塞拉海滩（南纬28°11'34.14"，西经48°39'38.4"）。将贝壳与软组织分离，将肠道（内脏部分）与其余软组织（可食用组织）分离，然后使用粒子诱导X射线发射（PIXE）评估微量元素含量。来自两个海岸的贻贝内脏部分中硅、钛、锰、铁和溴的含量显著更高，镍、铜和砷的含量趋势仅在来自托雷斯海岸的贻贝中相同。从伊姆比图巴采集的贻贝中，铁、镍、锌和砷的含量高于从托雷斯采集的贻贝。所有60只供人类食用的双壳贝类软体动物中，锰、铁、锌和砷的含量均超过了法定推荐上限。这些结果表明，食用来自这些海岸的贻贝对人类食品安全构成威胁。它们还突出了港口活动对海洋环境质量的影响。然而，去除内脏有助于降低食用含有超过指南规定上限化学元素的贻贝的风险。
