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Toxic Elements and Mineral Content of Different Tissues of Endemic Edible Snails (Helix vladika and H. secernenda) of Montenegro.
Foods ( IF 5.2 ) Pub Date : 2020-06-03 , DOI: 10.3390/foods9060731
Vesna Vukašinović-Pešić 1 , Bogumiła Pilarczyk 2 , Tymoteusz Miller 3 , Monika Rajkowska-Myśliwiec 4 , Joanna Podlasińska 5 , Agnieszka Tomza-Marciniak 2 , Nada Blagojević 1 , Nevzeta Trubljanin 6 , Andrzej Zawal 3 , Vladimir Pešić 6
Affiliation  

The objective of the present study is to determine the differences between the mineral content of various organs of Helix vladika and H. secernenda, the two most abundant edible snail species in Montenegro. The bioaccumulation of 12 examined elements (zinc, manganese, copper, aluminum, cadmium, lead, nickel, iron, chromium, lithium, selenium and mercury) was determined in the hepatopancreas, albumen gland, digestive tract, reproductive system, mantle, foot and shell from three sampling sites (Biogradska Gora, Nikšić and Malesija). The examined populations of H. vladika and H. secernenda showed a significant difference in their lithium and selenium contents. The levels of the most examined metals (Zn, Mn, Cu, Al, Cd, Pb, Se and Hg) varied significantly among organs. The digestive tract and hepatopancreas tend to bioaccumulate selenium and cadmium. The general mean concentration of cadmium in the examined snail tissues exceeded the maximum allowable level at the Biogradska Gora and Malesija sites. Therefore, the use of the Montenegrin edible snails collected from the wilderness for human consumption seems to be limited by their higher bioaccumulation capacity for toxic elements such as cadmium.

中文翻译:

黑山地方性食用蜗牛(Helix vladika和H. secernenda)不同组织的毒性元素和矿物质含量。

本研究的目的是确定黑山上两个最丰富的食用蜗牛物种螺旋vladikasecernenda的各个器官的矿物质含量之间的差异。测定肝胰腺,蛋白腺,消化道,生殖系统,地幔,足和足底中12种被检测元素(锌,锰,铜,铝,镉,铅,镍,铁,铬,锂,硒和汞)的生物蓄积性。从三个采样点(Biogradska Gora,Nikšić和Malesija)采集贝壳。H. vladikaH. secernenda的人口调查在锂和硒含量上显示出显着差异。在各器官中,检查最多的金属(锌,锰,铜,铝,镉,铅,硒和汞)的水平差异很大。消化道和肝胰腺倾向于生物富集硒和镉。被检查的蜗牛组织中镉的一般平均浓度超过了Biogradska Gora和Malesija地点的最大允许水平。因此,从野外收集的黑山食用蜗牛用于人类消费的用途似乎受到它们对镉等有毒元素较高的生物蓄积能力的限制。
更新日期:2020-06-03
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