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Table 1 IC50 values of β-secretase inhibitory activity of the ethanol extract and its individual fractions from E. bicyclis

From: A novel BACE inhibitor isolated from Eisenia bicyclis exhibits neuroprotective activity against β-amyloid toxicity

Sample

IC50 value (mg/mL)*

Ethanol extract

0.70 ± 0.21b

Hexane fraction

1.02 ± 0.11c

Ethyl acetate fraction

0.24 ± 0.08a

H2O fraction

2.12 ± 0.27d

  1. *Values (mean ± S.E.M. of three replications) not sharing a common superscript letter are significantly different (p < 0.05)