CHAPTER II
MATERIALS AND METHODS
46
Figure 55: the 1% glycerol solution
preparation
4 Bioplastic production
4.1 Ingredients
• Glycerol
• Gelatin
• Spirulina powder
• Water
4.2 Materials
• Balance
• Beckers
• Graduated test tubes
• Spatula
• Magnetic stirrer
• Silicone mold
4.3 Method
After preparing the Spirulina powder, it was used as the biological source for making the
bioplastic film.
To prepare a 1% glycerol solution, we added 2ml of glycerol to 200ml of distilled water. It was
then placed on a magnetic stirrer and heated.