Book excerpt: Many plant-derived bioactive compounds are the foundation for drugs or effective drugs to cure diseases. Usually, the bioactive compounds in plant biomass are low, and the extraction of bioactive compounds from plants is not eco-friendly, which limited th - Introduces the scale-up and chemical process development for microbial production of plant-derived bioactive compounds - Covers the useful and effective sustainable and commercial production of plant-derived bioactive compounds - Provides a guide for commercial production of plant-derived bioactive compounds and their uses for human welfare