Bioconcentration and elimination of avermectin B1 in sturgeon
Identifieur interne : 000F91 ( Main/Exploration ); précédent : 000F90; suivant : 000F92Bioconcentration and elimination of avermectin B1 in sturgeon
Auteurs : JIANZHONG SHEN [République populaire de Chine] ; QIDI ZHANG [République populaire de Chine] ; SHUANGYANG DING [République populaire de Chine] ; SUXIA ZHANG [République populaire de Chine] ; Joel R. Coats [États-Unis]Source :
- Environmental toxicology and chemistry [ 0730-7268 ] ; 2005.
Descripteurs français
- Pascal (Inist)
English descriptors
Abstract
The bioconcentration and elimination of avermectin B1 in sturgeon muscle were investigated with high-performance liquid chromatography. Mean concentrations of 0.2 and I ng.ml-1 in water were maintained for a 22-d exposure period. The concentrations of avermectin B1α in muscle tissues reached steady state within 14 to 18 d. The level of avermectin B1 concentrations in the fish muscles was 7.75 ± 0.88 and 38.29 ± 1.65 ng.g-1 for the low and high concentrations, respectively, on day 22. The half-life (t1/2) of the concentrations for the two treated groups was 4.95 and 4.33 d for the low and high concentrations, respectively. Greater than 95% of the tissue concentrations were eliminated from the exposed fish after the 14- and 18-d elimination periods. The estimated values of the bioconcentration factor were 42 L/kg for the low-concentration group and 41 L/kg for high-concentration group, and these values were not significantly different (a = 0.05). Avermectin B1α does not strongly bioconcentrate in individual aquatic organism and would not be expected to biomagnify in the food chain.
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Coats</name><affiliation wicri:level="4"><inist:fA14 i1="02"><s1>Pesticide Toxicology Laboratory, Department of Entomology, Iowa State University</s1><s2>Ames, Iowa 50011</s2><s3>USA</s3><sZ>5 aut.</sZ></inist:fA14><country>États-Unis</country><placeName><settlement type="city">Ames (Iowa)</settlement><region type="state">Iowa</region></placeName><orgName type="university">Université d'État de l'Iowa</orgName></affiliation></author></titleStmt><publicationStmt><idno type="wicri:source">INIST</idno><idno type="inist">05-0233273</idno><date when="2005">2005</date><idno type="stanalyst">PASCAL 05-0233273 INIST</idno><idno type="RBID">Pascal:05-0233273</idno><idno type="wicri:Area/PascalFrancis/Corpus">000245</idno><idno type="wicri:Area/PascalFrancis/Curation">000131</idno><idno type="wicri:Area/PascalFrancis/Checkpoint">000245</idno><idno type="wicri:explorRef" wicri:stream="PascalFrancis" wicri:step="Checkpoint">000245</idno><idno type="wicri:doubleKey">0730-7268:2005:Jianzhong Shen:bioconcentration:and:elimination</idno><idno type="wicri:Area/Main/Merge">001038</idno><idno type="wicri:Area/Main/Curation">000F91</idno><idno type="wicri:Area/Main/Exploration">000F91</idno></publicationStmt><sourceDesc><biblStruct><analytic><title xml:lang="en" level="a">Bioconcentration and elimination of avermectin B<sub>1</sub> in sturgeon</title><author><name sortKey="Jianzhong Shen" sort="Jianzhong Shen" uniqKey="Jianzhong Shen" last="Jianzhong Shen">JIANZHONG SHEN</name><affiliation wicri:level="1"><inist:fA14 i1="01"><s1>Department of Pharmacology and Toxicology, College of Veterinary Medicine, China Agricultural University</s1><s2>Beijing 100094</s2><s3>CHN</s3><sZ>1 aut.</sZ><sZ>2 aut.</sZ><sZ>3 aut.</sZ><sZ>4 aut.</sZ></inist:fA14><country>République populaire de Chine</country><placeName><settlement type="city">Pékin</settlement></placeName></affiliation></author><author><name sortKey="Qidi Zhang" sort="Qidi Zhang" uniqKey="Qidi Zhang" last="Qidi Zhang">QIDI ZHANG</name><affiliation wicri:level="1"><inist:fA14 i1="01"><s1>Department of Pharmacology and Toxicology, College of Veterinary Medicine, China Agricultural University</s1><s2>Beijing 100094</s2><s3>CHN</s3><sZ>1 aut.</sZ><sZ>2 aut.</sZ><sZ>3 aut.</sZ><sZ>4 aut.</sZ></inist:fA14><country>République populaire de Chine</country><placeName><settlement type="city">Pékin</settlement></placeName></affiliation></author><author><name sortKey="Shuangyang Ding" sort="Shuangyang Ding" uniqKey="Shuangyang Ding" last="Shuangyang Ding">SHUANGYANG DING</name><affiliation wicri:level="1"><inist:fA14 i1="01"><s1>Department of Pharmacology and Toxicology, College of Veterinary Medicine, China Agricultural University</s1><s2>Beijing 100094</s2><s3>CHN</s3><sZ>1 aut.</sZ><sZ>2 aut.</sZ><sZ>3 aut.</sZ><sZ>4 aut.</sZ></inist:fA14><country>République populaire de Chine</country><placeName><settlement type="city">Pékin</settlement></placeName></affiliation></author><author><name sortKey="Suxia Zhang" sort="Suxia Zhang" uniqKey="Suxia Zhang" last="Suxia Zhang">SUXIA ZHANG</name><affiliation wicri:level="1"><inist:fA14 i1="01"><s1>Department of Pharmacology and Toxicology, College of Veterinary Medicine, China Agricultural University</s1><s2>Beijing 100094</s2><s3>CHN</s3><sZ>1 aut.</sZ><sZ>2 aut.</sZ><sZ>3 aut.</sZ><sZ>4 aut.</sZ></inist:fA14><country>République populaire de Chine</country><placeName><settlement type="city">Pékin</settlement></placeName></affiliation></author><author><name sortKey="Coats, Joel R" sort="Coats, Joel R" uniqKey="Coats J" first="Joel R." last="Coats">Joel R. Coats</name><affiliation wicri:level="4"><inist:fA14 i1="02"><s1>Pesticide Toxicology Laboratory, Department of Entomology, Iowa State University</s1><s2>Ames, Iowa 50011</s2><s3>USA</s3><sZ>5 aut.</sZ></inist:fA14><country>États-Unis</country><placeName><settlement type="city">Ames (Iowa)</settlement><region type="state">Iowa</region></placeName><orgName type="university">Université d'État de l'Iowa</orgName></affiliation></author></analytic><series><title level="j" type="main">Environmental toxicology and chemistry</title><title level="j" type="abbreviated">Environ. toxicol. chem.</title><idno type="ISSN">0730-7268</idno><imprint><date when="2005">2005</date></imprint></series></biblStruct></sourceDesc><seriesStmt><title level="j" type="main">Environmental toxicology and chemistry</title><title level="j" type="abbreviated">Environ. toxicol. chem.</title><idno type="ISSN">0730-7268</idno></seriesStmt></fileDesc><profileDesc><textClass><keywords scheme="KwdEn" xml:lang="en"><term>Acipenser sturio</term><term>Avermectins</term><term>Biological accumulation</term><term>Ecotoxicology</term><term>Elimination</term></keywords><keywords scheme="Pascal" xml:lang="fr"><term>Accumulation biologique</term><term>Elimination</term><term>Avermectine</term><term>Ecotoxicologie</term><term>Acipenser sturio</term></keywords></textClass></profileDesc></teiHeader><front><div type="abstract" xml:lang="en">The bioconcentration and elimination of avermectin B<sub>1</sub> in sturgeon muscle were investigated with high-performance liquid chromatography. Mean concentrations of 0.2 and I ng.ml<sup>-1</sup> in water were maintained for a 22-d exposure period. The concentrations of avermectin B<sub>1α</sub> in muscle tissues reached steady state within 14 to 18 d. The level of avermectin B<sub>1</sub> concentrations in the fish muscles was 7.75 ± 0.88 and 38.29 ± 1.65 ng.g<sup>-1</sup> for the low and high concentrations, respectively, on day 22. The half-life (t<sub>1</sub>/2) of the concentrations for the two treated groups was 4.95 and 4.33 d for the low and high concentrations, respectively. Greater than 95% of the tissue concentrations were eliminated from the exposed fish after the 14- and 18-d elimination periods. The estimated values of the bioconcentration factor were 42 L/kg for the low-concentration group and 41 L/kg for high-concentration group, and these values were not significantly different (a = 0.05). Avermectin B<sub>1α</sub> does not strongly bioconcentrate in individual aquatic organism and would not be expected to biomagnify in the food chain.</div></front></TEI><affiliations><list><country><li>République populaire de Chine</li><li>États-Unis</li></country><region><li>Iowa</li></region><settlement><li>Ames (Iowa)</li><li>Pékin</li></settlement><orgName><li>Université d'État de l'Iowa</li></orgName></list><tree><country name="République populaire de Chine"><noRegion><name sortKey="Jianzhong Shen" sort="Jianzhong Shen" uniqKey="Jianzhong Shen" last="Jianzhong Shen">JIANZHONG SHEN</name></noRegion><name sortKey="Qidi Zhang" sort="Qidi Zhang" uniqKey="Qidi Zhang" last="Qidi Zhang">QIDI ZHANG</name><name sortKey="Shuangyang Ding" sort="Shuangyang Ding" uniqKey="Shuangyang Ding" last="Shuangyang Ding">SHUANGYANG DING</name><name sortKey="Suxia Zhang" sort="Suxia Zhang" uniqKey="Suxia Zhang" last="Suxia Zhang">SUXIA ZHANG</name></country><country name="États-Unis"><region name="Iowa"><name sortKey="Coats, Joel R" sort="Coats, Joel R" uniqKey="Coats J" first="Joel R." last="Coats">Joel R. 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