Registration Dossier
Registration Dossier
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EC number: - | CAS number: -
Endpoint summary
Administrative data
Description of key information
The aquatic toxicity of beta-mannosidase has not been tested, however a similar enzyme - alpha-amylase - has been tested in both daphnia and algae.
Due to the simmilarity of the two enzymes similar results are expected for beta-mannosidase. In addition, since alpha-amylase has a high toxicity towards aquatic organisms, it has been chosen as a worst-case scenario.
Toxicity to aquatic invertebrates: The 48 h EC50 value for alpha-amylase with Daphnia magna is 1758 mg enzyme concentrate dry matter/L corresponding to 212 mg active enzyme protein/L.
Toxicity to algae and cyanobacteria: Alpha-amylase, batch PPA4048 was inhibitory to the growth of Desmodesmus subspicatus. The ErC50 (24-72h) was 43.1 mg enzyme concentrate dry matter/L 5.2 mg active enzyme protein/L. NOEC for the 24 -72 hour growth rate was 22 mg enzyme concentrate dry matter/L. EbC50 (72h) was 21.1 mg enzyme concentrate dry matter/L.
Additional information
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