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Ecotoxicological information

Toxicity to aquatic algae and cyanobacteria

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Description of key information

Exposure of Raphidocelis subcapitata to Xanthan lyase, batch PPE55581 revealed an ErC50 299.4 mg enzyme concentrate dry matter/L (equivalent to 17 mg active enzyme protein/L). NOEC for both growth rate and yield was 7 mg enzyme concentrate dry matter/L and LOEC was 42.3 mg enzyme concentrate dry matter/L. Yield EbC50 was 42.3 mg enzyme concentrate dry matter/L.

Key value for chemical safety assessment

EC50 for freshwater algae:
299.4 mg/L
EC10 or NOEC for freshwater algae:
7 mg/L

Additional information

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