Downstream Process Development Stock culture Flask culture Seed culture Sterile medum Intermediate Antifoam fermentor Continuous centrifuges Feist centration washing °g° Cool storage Production fermentor () Dewatering→+ Compressing Packaging--Cold storageCompressed yeast cakes ing--Extruding→d→ Packaging-- Cool storag Active dry yeast Pasteurizing→ Drum drying→ Grinding→- Packaging→ Dry storage Nutritional dry yeastDownstream Process Development Continuous centrifuges