Praziquantel (PZQ) is widely used to treat schistosomiasis. However, this chiral active pharmaceutical ingredient (API) is still produced as a racemic compound while only the (R)-enantiomer is active.

1. INTRODUCTION The main content of coconut fiber is cellulose, hemi-cellulose, and lignin. The lignin content in coconut fibers is very high [1, 2, 3]. Cellulose and hemi-cellulose is a ...