**4.1 Process optimization**

Process optimization involves optimizing the drying conditions to achieve the desired drying rate and ensure the stability, potency, and efficacy of the final product. Process optimization includes selecting the appropriate drying method, adjusting the drying parameters such as temperature, humidity, airflow rate, and time, and choosing the appropriate equipment for the drying process. The goal is to ensure that the drying process is efficient and effective, while minimizing any adverse effects on the product.
