Heavy Metal Concentrations in Two Populations of Mopane Worms (Imbrasia belina) in the Kruger National Park Pose a Potential Human Health Risk
Metal concentrations in Mopane worms from Phalaborwa and Shangoni sites in the Kruger National Park were determined. Metal concentrations were evaluated by inductively coupled plasma optical emission spectroscopy (ICP-OES) and ICP-MS spectrometry after microwave digestion. The results indicate a sub...
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| Veröffentlicht in: | Bulletin of environmental contamination and toxicology 2014-09, Vol.93 (3), p.316-321 |
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| description | Metal concentrations in Mopane worms from Phalaborwa and Shangoni sites in the Kruger National Park were determined. Metal concentrations were evaluated by inductively coupled plasma optical emission spectroscopy (ICP-OES) and ICP-MS spectrometry after microwave digestion. The results indicate a substantial bioaccumulation of metals in Mopane worms. In Phalaborwa Cd concentrations were 15 times and Cu two times higher than the EU and UK recommended legal limits for human consumption, Zn levels were tolerable. Likewise, Cd, Cu and Zn concentrations at the Shangoni site were 26, 2.5 and 0.4 times over the EU and UK approved limits. Manganese concentrations were 20 and 67 times higher than FDA standards respectively. During the study the condition factor of the worms was determined. No significant difference between the condition factors indicated the worms at both sites are in similar condition. Potential sources of metals in the worms are either from the food they eat or pollution settling on the leaves. |
| doi_str_mv | 10.1007/s00128-014-1324-4 |
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H</creator><creatorcontrib>Greenfield, R ; Akala, N ; van der Bank, F. H</creatorcontrib><description>Metal concentrations in Mopane worms from Phalaborwa and Shangoni sites in the Kruger National Park were determined. Metal concentrations were evaluated by inductively coupled plasma optical emission spectroscopy (ICP-OES) and ICP-MS spectrometry after microwave digestion. The results indicate a substantial bioaccumulation of metals in Mopane worms. In Phalaborwa Cd concentrations were 15 times and Cu two times higher than the EU and UK recommended legal limits for human consumption, Zn levels were tolerable. Likewise, Cd, Cu and Zn concentrations at the Shangoni site were 26, 2.5 and 0.4 times over the EU and UK approved limits. Manganese concentrations were 20 and 67 times higher than FDA standards respectively. During the study the condition factor of the worms was determined. No significant difference between the condition factors indicated the worms at both sites are in similar condition. Potential sources of metals in the worms are either from the food they eat or pollution settling on the leaves.</description><identifier>ISSN: 0007-4861</identifier><identifier>EISSN: 1432-0800</identifier><identifier>DOI: 10.1007/s00128-014-1324-4</identifier><identifier>PMID: 24974173</identifier><identifier>CODEN: BECTA6</identifier><language>eng</language><publisher>New York: Springer-Verlag</publisher><subject>Air. Soil. Water. Waste. Feeding ; Animal, plant and microbial ecology ; Animals ; Applied ecology ; Aquatic Pollution ; Bioaccumulation ; Biological and medical sciences ; Cadmium ; condition factor ; copper ; digestion ; Earth and Environmental Science ; Ecotoxicology ; Ecotoxicology, biological effects of pollution ; Effects of pollution and side effects of pesticides on protozoa and invertebrates ; Emission spectroscopy ; Environment ; Environment. Living conditions ; Environmental Chemistry ; Environmental Health ; European Union ; Food Analysis ; Food industries ; Fundamental and applied biological sciences. Psychology ; General aspects ; Health risks ; Heavy metal content ; Heavy metals ; human health ; Humans ; Imbrasia ; Imbrasia belina ; Larva - chemistry ; leaves ; Manganese ; Medical sciences ; Metal concentrations ; Metals, Heavy - analysis ; Methods of analysis, processing and quality control, regulation, standards ; Microwaves ; Mining ; Moths - chemistry ; National parks ; Plasma ; Pollution ; Public health. Hygiene ; Public health. 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H</creatorcontrib><title>Heavy Metal Concentrations in Two Populations of Mopane Worms (Imbrasia belina) in the Kruger National Park Pose a Potential Human Health Risk</title><title>Bulletin of environmental contamination and toxicology</title><addtitle>Bull Environ Contam Toxicol</addtitle><addtitle>Bull Environ Contam Toxicol</addtitle><description>Metal concentrations in Mopane worms from Phalaborwa and Shangoni sites in the Kruger National Park were determined. Metal concentrations were evaluated by inductively coupled plasma optical emission spectroscopy (ICP-OES) and ICP-MS spectrometry after microwave digestion. The results indicate a substantial bioaccumulation of metals in Mopane worms. In Phalaborwa Cd concentrations were 15 times and Cu two times higher than the EU and UK recommended legal limits for human consumption, Zn levels were tolerable. Likewise, Cd, Cu and Zn concentrations at the Shangoni site were 26, 2.5 and 0.4 times over the EU and UK approved limits. Manganese concentrations were 20 and 67 times higher than FDA standards respectively. During the study the condition factor of the worms was determined. No significant difference between the condition factors indicated the worms at both sites are in similar condition. Potential sources of metals in the worms are either from the food they eat or pollution settling on the leaves.</description><subject>Air. Soil. Water. Waste. Feeding</subject><subject>Animal, plant and microbial ecology</subject><subject>Animals</subject><subject>Applied ecology</subject><subject>Aquatic Pollution</subject><subject>Bioaccumulation</subject><subject>Biological and medical sciences</subject><subject>Cadmium</subject><subject>condition factor</subject><subject>copper</subject><subject>digestion</subject><subject>Earth and Environmental Science</subject><subject>Ecotoxicology</subject><subject>Ecotoxicology, biological effects of pollution</subject><subject>Effects of pollution and side effects of pesticides on protozoa and invertebrates</subject><subject>Emission spectroscopy</subject><subject>Environment</subject><subject>Environment. Living conditions</subject><subject>Environmental Chemistry</subject><subject>Environmental Health</subject><subject>European Union</subject><subject>Food Analysis</subject><subject>Food industries</subject><subject>Fundamental and applied biological sciences. 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H</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Heavy Metal Concentrations in Two Populations of Mopane Worms (Imbrasia belina) in the Kruger National Park Pose a Potential Human Health Risk</atitle><jtitle>Bulletin of environmental contamination and toxicology</jtitle><stitle>Bull Environ Contam Toxicol</stitle><addtitle>Bull Environ Contam Toxicol</addtitle><date>2014-09-01</date><risdate>2014</risdate><volume>93</volume><issue>3</issue><spage>316</spage><epage>321</epage><pages>316-321</pages><issn>0007-4861</issn><eissn>1432-0800</eissn><coden>BECTA6</coden><abstract>Metal concentrations in Mopane worms from Phalaborwa and Shangoni sites in the Kruger National Park were determined. Metal concentrations were evaluated by inductively coupled plasma optical emission spectroscopy (ICP-OES) and ICP-MS spectrometry after microwave digestion. The results indicate a substantial bioaccumulation of metals in Mopane worms. In Phalaborwa Cd concentrations were 15 times and Cu two times higher than the EU and UK recommended legal limits for human consumption, Zn levels were tolerable. Likewise, Cd, Cu and Zn concentrations at the Shangoni site were 26, 2.5 and 0.4 times over the EU and UK approved limits. Manganese concentrations were 20 and 67 times higher than FDA standards respectively. During the study the condition factor of the worms was determined. No significant difference between the condition factors indicated the worms at both sites are in similar condition. Potential sources of metals in the worms are either from the food they eat or pollution settling on the leaves.</abstract><cop>New York</cop><pub>Springer-Verlag</pub><pmid>24974173</pmid><doi>10.1007/s00128-014-1324-4</doi><tpages>6</tpages></addata></record> |
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| subjects | Air. Soil. Water. Waste. Feeding Animal, plant and microbial ecology Animals Applied ecology Aquatic Pollution Bioaccumulation Biological and medical sciences Cadmium condition factor copper digestion Earth and Environmental Science Ecotoxicology Ecotoxicology, biological effects of pollution Effects of pollution and side effects of pesticides on protozoa and invertebrates Emission spectroscopy Environment Environment. Living conditions Environmental Chemistry Environmental Health European Union Food Analysis Food industries Fundamental and applied biological sciences. Psychology General aspects Health risks Heavy metal content Heavy metals human health Humans Imbrasia Imbrasia belina Larva - chemistry leaves Manganese Medical sciences Metal concentrations Metals, Heavy - analysis Methods of analysis, processing and quality control, regulation, standards Microwaves Mining Moths - chemistry National parks Plasma Pollution Public health. Hygiene Public health. Hygiene-occupational medicine risk Risk Assessment Soil contamination Soil Science & Conservation South Africa Spectrometry spectroscopy Waste Water Technology Water Management Water Pollution Control Worms zinc |
| title | Heavy Metal Concentrations in Two Populations of Mopane Worms (Imbrasia belina) in the Kruger National Park Pose a Potential Human Health Risk |
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