EsturgeonV1, Main, Exploration, bibRecord, 001285

Bioconcentration and elimination of sulfamethazine and its main metabolite in sturgeon (Acipenser schrenkii)

Identifieur interne : 001285 ( Main/Exploration ); précédent : 001284; suivant : 001286

Bioconcentration and elimination of sulfamethazine and its main metabolite in sturgeon (Acipenser schrenkii)

Auteurs : XIAOLIN HOU [République populaire de Chine] ; JIANZHONG SHEN [République populaire de Chine] ; SUXIA ZHANG [République populaire de Chine] ; HAIYANG JIANG [République populaire de Chine] ; Joel R. Coats [États-Unis]

Source :

Journal of agricultural and food chemistry : (Print) [ 0021-8561 ] ; 2003.

RBID : Pascal:04-0141459

Descripteurs français

Pascal (Inist)
- Accumulation biologique, Elimination, Métabolite, Produit dégradation, Esturgeon, Effet concentration, Absorption, Muscle, Dégradation biologique, Sulfadimidine, Demi vie, Sécurité alimentaire, Toxicologie, Acipenser schrenkii.
Wicri :
- topic : Sécurité alimentaire, Toxicologie.

English descriptors

KwdEn :
- Absorption, Biodegradation, Biological accumulation, Concentration effect, Degradation product, Elimination, Food security, Half life, Metabolite, Muscle, Sturgeon, Sulfadimidine, Toxicology.

Abstract

A steady-state bioconcentration and elimination of sulfamethazine (SM₂) in the sturgeon (A. schrenkii) was conducted in flow-through aqueous conditions. Two treated groups of fish were exposed to concentrations of 1.00 and 0.10 mg/L of SM₂, respectively. SM₂ and its main metabolite, N⁴-acetyl-SM₂, were determined in both fish muscle and water during the 8-day uptake period and the subsequent 6-day elimination period. Rapid uptakes of the drug were observed in both treated groups. Muscle tissue residues plateaued after ∼3 days. The bioconcentration factor in muscle (BCF_m) in the low-concentration drug solution was 1.19 and that in the high-concentration-treated level was 0.61. The calculated biodegradation index was 3.72%. The elimination half-times (t_1/2) of the two treatment levels were 19.44 and 23.52 h, respectively. The result indicates that SM₂ will neither bioconcentrate in individual aquatic organisms nor biomagnify in the food chain, although the BCF_m was relatively higher under the low-concentration exposure.

Affiliations:

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Le document en format XML

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<author><name sortKey="Jianzhong Shen" sort="Jianzhong Shen" uniqKey="Jianzhong Shen" last="Jianzhong Shen">JIANZHONG SHEN</name>
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<s2>Beijing 100094</s2>
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<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 Agriculture University</s1>
<s2>Beijing 100094</s2>
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<author><name sortKey="Haiyang Jiang" sort="Haiyang Jiang" uniqKey="Haiyang Jiang" last="Haiyang Jiang">HAIYANG JIANG</name>
<affiliation wicri:level="1"><inist:fA14 i1="01"><s1>Department of Pharmacology and Toxicology, College of Veterinary Medicine, China Agriculture University</s1>
<s2>Beijing 100094</s2>
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<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>
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<series><title level="j" type="main">Journal of agricultural and food chemistry : (Print)</title>
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<profileDesc><textClass><keywords scheme="KwdEn" xml:lang="en"><term>Absorption</term>
<term>Biodegradation</term>
<term>Biological accumulation</term>
<term>Concentration effect</term>
<term>Degradation product</term>
<term>Elimination</term>
<term>Food security</term>
<term>Half life</term>
<term>Metabolite</term>
<term>Muscle</term>
<term>Sturgeon</term>
<term>Sulfadimidine</term>
<term>Toxicology</term>
</keywords>
<keywords scheme="Pascal" xml:lang="fr"><term>Accumulation biologique</term>
<term>Elimination</term>
<term>Métabolite</term>
<term>Produit dégradation</term>
<term>Esturgeon</term>
<term>Effet concentration</term>
<term>Absorption</term>
<term>Muscle</term>
<term>Dégradation biologique</term>
<term>Sulfadimidine</term>
<term>Demi vie</term>
<term>Sécurité alimentaire</term>
<term>Toxicologie</term>
<term>Acipenser schrenkii</term>
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<keywords scheme="Wicri" type="topic" xml:lang="fr"><term>Sécurité alimentaire</term>
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<front><div type="abstract" xml:lang="en">A steady-state bioconcentration and elimination of sulfamethazine (SM<sub>2</sub>
) in the sturgeon (A. schrenkii) was conducted in flow-through aqueous conditions. Two treated groups of fish were exposed to concentrations of 1.00 and 0.10 mg/L of SM<sub>2</sub>
, respectively. SM<sub>2</sub>
 and its main metabolite, N<sup>4</sup>
-acetyl-SM<sub>2</sub>
, were determined in both fish muscle and water during the 8-day uptake period and the subsequent 6-day elimination period. Rapid uptakes of the drug were observed in both treated groups. Muscle tissue residues plateaued after ∼3 days. The bioconcentration factor in muscle (BCF<sub>m</sub>
) in the low-concentration drug solution was 1.19 and that in the high-concentration-treated level was 0.61. The calculated biodegradation index was 3.72%. The elimination half-times (t<sub>1/2</sub>
) of the two treatment levels were 19.44 and 23.52 h, respectively. The result indicates that SM<sub>2</sub>
 will neither bioconcentrate in individual aquatic organisms nor biomagnify in the food chain, although the BCF<sub>m</sub>
 was relatively higher under the low-concentration exposure.</div>
</front>
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<affiliations><list><country><li>République populaire de Chine</li>
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<region><li>Iowa</li>
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<name sortKey="Haiyang Jiang" sort="Haiyang Jiang" uniqKey="Haiyang Jiang" last="Haiyang Jiang">HAIYANG JIANG</name>
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<name sortKey="Suxia Zhang" sort="Suxia Zhang" uniqKey="Suxia Zhang" last="Suxia Zhang">SUXIA ZHANG</name>
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<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. Coats</name>
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Bioconcentration and elimination of sulfamethazine and its main metabolite in sturgeon (Acipenser schrenkii)

Bioconcentration and elimination of sulfamethazine and its main metabolite in sturgeon (Acipenser schrenkii)

Source :

Descripteurs français

English descriptors

Abstract

Links toward previous steps (curation, corpus...)

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