Earthworm Protease

Table 2

Three assays of the earthworm protease.

Assays	Fibrin plate	Chromophoric procedure	Light scattering
Materials	Fibrinogen, thrombin, and agar	chromophoric substrates	Fibrinogen, thrombin
Principle	fibrinolytic activity	absorbance at 405 nm	Light scattering at 480 nm
Time	18∼24 hours	∼1 minute	∼10 minutes
Feature	Fibrinolysis specificity, time consuming	Rapid, reproducible, lower specificity	Rapid, reproducible, lower specificity