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Ecotoxicological information

Toxicity to aquatic algae and cyanobacteria

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Description of key information

The determined NOEC of quinic acid for green algae Microcystis aeruginosa is >10 mg/L. Quinic acids showed no inhibitory effects.

Key value for chemical safety assessment

EC10 or NOEC for freshwater algae:
10 mg/L

Additional information

The toxicity to green algae Microcystis aeruginosa was determined with an algal assays. The determined NOEC of quinic acid for green algae is >10 mg/L. Quinic acids showed no inhibitory effects. In the publication of Sanderson 2009, the EC50 of the read across substance shikimic acid for algae was shown. The EC50 of shikimic acid is >100 mg/L. From these results we consider that the EC50 of quinic acid is >100 mg/l, too.