The purpose of this study was to determine the effect whey protein isolate (WPI)-extract meniran (Phyllanthus niruri L.) encapsulation using casein hydrolyzate on foam overrun, optical microscopy, particle size and viscosity. materials used isolate, an extract encapsulated hydrolyzate. method a completely randomized design (CRD) with 5 treatments hydrolyzed as material, 0%, 2%, 4%, 6% 8%, namel...