The ethanolic extract of Lawsonia inermis leaves and lawsone tested for trypsin inhibitory activity showed an IC(50) value of 64.87 and 48.6 microg/ml, respectively.
Bioassay Unit, Research and Development Centre, Natural Remedies Pvt Ltd, Plot No 5B, Veerasandra Industrial Area, Hosur Road, Bangalore 561 229, India.
