Acute and sub-acute toxicity of bark tannins in carp (Cyprinus carpio L.)

J. H M Temmink, James A Field, J. C. van Haastrecht, R. C M Merkelbach

Research output: Contribution to journalArticle

58 Citations (Scopus)

Abstract

The 24-h LC(I)50 and 96-h LC(I)50 of bark extract for carp (Cyprinus carpio L.) were estimated at approx. 65 and 50 mg/l total COD, respectively, in a semi-static system. Tannins, constituting 50-60% of total COD, are responsible for this toxicity. Considerable toxicity was also found in sub-acute studies in a flow-through system. In both systems oxidative polymerization of the tannins into high-molecular-weight polymers abolished the aquatic toxicity almost completely. Epithelial damage of the gill was the most important lesion of toxicity, supporting the hypothesis that the toxic action of oligomeric bark tannins is through binding to and cross-linking of cell membrane enzymes.

Original languageEnglish (US)
Pages (from-to)341-344
Number of pages4
JournalWater Research
Volume23
Issue number3
DOIs
StatePublished - 1989
Externally publishedYes

Fingerprint

Tannins
tannin
bark
Toxicity
toxicity
Cell membranes
polymerization
lesion
Enzymes
polymer
Molecular weight
Polymerization
enzyme
membrane
damage
Polymers

Keywords

  • acute toxicity
  • bark tannins
  • carp
  • gill structure
  • oxidative detoxification
  • sub-acute toxicity

ASJC Scopus subject areas

  • Earth-Surface Processes

Cite this

Acute and sub-acute toxicity of bark tannins in carp (Cyprinus carpio L.). / Temmink, J. H M; Field, James A; van Haastrecht, J. C.; Merkelbach, R. C M.

In: Water Research, Vol. 23, No. 3, 1989, p. 341-344.

Research output: Contribution to journalArticle

Temmink, J. H M ; Field, James A ; van Haastrecht, J. C. ; Merkelbach, R. C M. / Acute and sub-acute toxicity of bark tannins in carp (Cyprinus carpio L.). In: Water Research. 1989 ; Vol. 23, No. 3. pp. 341-344.
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