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Canada (162,320)
York University (12,886)
KINE 4020 (29)
Chapter 5

Chapter 5

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Department
Kinesiology & Health Science
Course
KINE 4020
Professor
Roger Kelton
Semester
Winter

Description
Enriched Instructors Manual to Accompany Understanding Nutrition First Canadian Edition 51Chapter 5The Lipids Triglycerides Phospholipids and SterolsIFNOTHINGELSEMYSTUDENTSSHOULDLEARN1ThelipidsincludetriglyceridesfatsandoilsphospholipidsandsterolsInfoodsfatsprovideflavourtendernessandpalatabilityTriglyceridesinthedietprovidefatsolublevitaminsandaddsatietyTriglyceridesprovideenergyinsulationandprotectionfromshockandhelpthebodyuseproteinandcarbohydrateoptimallySterolsarefoundinbothplantandanimalfoodsbutcholesterolisfoundonlyinanimalproductsPhospholipidsareusedasemulsifiersinfoods2ThatthedigestionoflipidsinvolvesmultipleenzymessecretedfromaccessorydigestiveorgansAbsorptionoflipidsoccursthroughthelymphaticsystemfirstfollowedbymovementintothecardiovascularsystemaspackagedlipoproteins3Thatdietaryfatstakeonmanyformsincludingsaturatedmonounsaturatedandpolyunsaturatedfattyacidsandhavedifferentimplicationsonoverallhealth4HowtorecognizethepresenceofdifferentlevelsandtypesofdietarylipidsinfoodsourcesbyreadingnutritionallabelsLEARNINGOBJECTIVESStudentsshouldbeabletoLO51DiscusstheroleofdietarylipidsasacomponentofahealthydietUnderstandApplyLO52CompareandcontrastthephysicalpropertiesandfoodsourcesofsaturatedmonounsaturatedandpolyunsaturatedfattyacidsRememberUnderstandLO53DescribehowdietarylipidsaredigestedatvariouslevelswithinthedigestivesystemaswellastheroleoftheaccessorydigestiveorgansinacceleratinglipidbreakdownRememberUnderstandLO54DescribehowdietarylipidsareabsorbedandtransportedthroughoutthebodyaslipoproteinsRememberUnderstandCopyright2013 by Nelson Education LtdEnriched Instructors Manual to Accompany Understanding Nutrition First Canadian Edition 52LO55Describetherolesofomega3andomega6fattyacidsinthebodyandtheimportanceofachievingabalancedintakeUnderstandLO56ExplainthehealthimplicationsofingestingdietarylipidsaswellasLDLandHDLandthefactorsthatraiseorlowerlevelsoftheselipoproteinsUnderstandLO57DescribetheformationandstructureofatransfattyacidanddiscussthepossibilityofeliminatingthemfromthedietUnderstandApplyLO58DiscusstheroleoffatinthedevelopmentofheartdiseasecancerandobesityUnderstandApplyLO59OutlineexamplesofdifferentchoicesthatcanbemadewithinthefoodgroupstoreducetheamountoflipidsinadietUnderstandApplyWHYISTHISCHAPTERIMPORTANTTOSCIENTISTSANDHEALTHCAREPRACTITIONERSOfspecialinteresttosymbolkeyHealthCarePractitionersScienceMajorsHealthcarepractitionersrecognizethatwhenmonounsaturatedorcertainpolyunsaturatedfatsreplacesaturatedandtransfatsinthedietitprotectsagainstheartdiseaseScientistscontinuetostudythepropertiesofvariousoilsusedinourdietsinordertodeterminethehealthbenefitsElevatedbloodcholesterolisamajorriskfactorforcardiovasculardiseaseScientistscontinuetostudywaysofloweringLDLcholesterolandorincreasingHDLcholesterolthroughdietexerciseoracombinationofbothinterventionsHealthcarepractitionerstypicallyadvisepatientsofthecardiovasculardiseaserisksposedbyconsumingexcessiveamountsofdietaryfatscholesterolAdeficiencyinanessentialfattyacidinthediethasadverseeffectsonthehealthofanindividualResearchhasestablishedthatincreasingtheintakeofcertainfattyacidsegomega3fattyacidcanimprovethehealthoftheheartScientistsalsoarereportingthatomega3fattyacidsmaysupportimmunityandinhibitthedevelopmentofcertaincancers2
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