NDFS 350 Test With Answers [100% PASS] /verified/

NDFS 350 Test With Answers [100% PASS] /verified/ Identify six reasons you might need to determine certain chemical characteristics of a food product as part of a quality management program *Ans* -check quality of raw ingred, -form. And develop new products -check composition during processing -evaluating new processes for making food products -identify source of problem for unacceptable prod. -develop and check nutritional label What is the meaning of LIMS and what is it used for? *Ans* Lab Information Management System it is used to keep track of samples and data from analyses ***Given that multiple methods are available for a given measurement, state the three general criteria for choosing the best method.** *Ans* -characteristics of the method -objective of assay -composition of the food You are considering the use of a new method to measure Compound X in your food product. List six factors you will consider before adopting this new method in your quality assurance laboratory. *Ans* -cost -time required -accuracy -precision -equiptment req -sample size required -reagents required -safety ****The choice of method is influenced by the objective of the measurement, e.g., nutrition labeling vs. process control (quality assurance). Contrast primary (official) and secondary (field or rapid) methods of analysis, regarding 1) time required, 2) accuracy, and 3) use. Would nutrition labeling require an official or a rapid method?** *Ans* primary takes more time, but is more accurate. primary is used for nutrition labeling, while secondary is used for QA. Usually the food matrix presents the greatest challenge in food analysis. Give one example. *Ans* different methods should be used for different types of foods. for example, if you use a method for something dry, like flour, to measure moisture content of fat, the fat could splatter out of the container, which would not make the moisture content accurate Explain what is meant by the term "standard reference materials" or "check sample." *Ans* - standard: comes from US pharmacopedia, and you are able to know it exactly -check: AOCS or AACC (take average from multiple different labs)