FSC 325 Exam 2 (100% SOLVED!)

List three factors that will influence the efficiency of extracting a food product using solvent extraction. correct answers a) Solubility of solvent b) Temperature of extraction c) Surface area of food In the production of enzymes by microorganisms, provide three methods used to separate the enzymes from the media. correct answers a) Freeze Drying b) Centrifugation c) Filtration What are two advantages of using membrane filtration compared to evaporation? What are two disadvantages of using membrane filtration? correct answers Advantages a) Food is not heated b) Simpler Disadvantages a) Membrane fouling b) High capital cost What are the four main categories of functional foods? correct answers a) Normally Present b) Not Normally Present c) Fermented Dairy Products d) Special Formulations Molecular Weight Cut Off (MWCO) correct answers Used to characterize the membrane. Molecular weight of 90% of molecules retained. Permeate correct answers Portion that goes through the membrane. Retentate correct answers Portion that is retained by the filter. Flux correct answers Flow rate of permeate across the membrane.