*Chapter 5:* **Pectins as Emulsifying Agent on the Preparation, Characterization and Photocatalysis of Nano LaCrO**3**.** Authored by R. Tahan & M. Situmeang.

The authors conducted studies of environmentally friendly materials such as LaCrO3 perovskite with pectin as the emulsifying agent. This material is characterized by the photocatalytic reaction with dyes and cellulose conversion.
