Modulecode
SC-4366
ModuleTitle
FoodChemistryandChemicalAnalysisofFoods
Degree/Diploma
BachelorofScience(Chemistry)
TypeofModule
MajorOption
ModularCredits
2
Prerequisite
None
Anti-requisite
None
TotalstudentWorkload
4
hours/week
Contacthours
2
hours/week
Aims
Towardsthecompletionofthismodule,studentsshouldbeabletounderstandthechemical
composition,reactions,analysisandprocessingoffoodandrelatethemtotheprocessesinvolved
inthefoodindustry. LearningOutcomes
Onsuccessfulcompletionofthismodule,astudentwillbeexpectedtobeableto:
Lowerorder: 40% -Understandtheoverallchemistryoffoodcomponents
-Understandthetheoryandapplicationchemicalanalysisoffoods.
-characterizetheimportantelementoffoodsusingbioanalyticaltoolsanddevices
Middleorder: 40% -Identifyingwhatareknownandunknown,andwheretoaccessnewinformation
whichmayleadtotheresolutionoftheproblem.
-Applicationofanalyticalmethodsintheanalysisoflistedfoodcomponents
-Interpretationofanalyticaldataforthedeterminationoffoodcomposition.
Higherorder: 20% -Learnindependently
-Encouragingstudent-centredpedagogythroughthesolvingofopen-endedproblem
ModuleContents
- Chemistryoffoods:Carbohydrates,proteins,lipids,vitamins,minerals,water,nutritionalneeds,
foodpyramid,digestiveprocesses,stabilityandbioavailabilityofnutrients,diet-relateddiseases
- Nutritionallabeling;Foodcompositiontables,Energyfromfoods;Foodadditivesandtheirfunctions.
-Proximateanalysis:Moisture,Ash,Crudefat,Crudeprotein,Crudefibre,Nitrogen-freeextract.
-Characterisationoffatsandoils:Samplepreparation,refractiveindex,meltingpoint,smoke,flashandfire
points,coldtest,cloudpoint,iodinevalue,saponificationvalue,freefattyacidvalue,lipidoxidationtests.
-Analysisofcarbohydrates:Chemical,physical,enzymaticandinstrumentalmethods.
-Analysisofmineralsandvitamins:Mineralanalysis:titrimetry,colorimetry,ISE,spectroscopy,
chromatographyandvoltammetry.Vitaminanalysis:bioassaymethods,microbiologicalassaymethod,
chemicalandinstrumentalmethods.
Assessment
Formativeassessment
Tutorialandfeedback
Summativeassessment
Examination:60%
Coursework:40%
-2writtenassignments(20%)
-2classtests(20%)