Efect of drying processes on free acidity content of cocoa beans: Free acidity contents resulted from each drying method are presented in Fig. 3. While the combination of sun and artificial drying process increased the free acidity content to 3.4 meq of NaOH.10G1 g, only solar drying (C14) and artificial drying (EV34) process had no effect on the free acidity content in comparison to the standard drying process.
Effect of drying processes on Ammonium Nitrogen content of cocoa beans: Figure 4 illustrates the influence of drying methods on Ammonium Nitrogen content of cocoa beans. Results show that all studied drying processes strongly increased the Ammonium Nitrogen content to about 600 ppm over.