Food and Nutrition 1021 notes for the course

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Department
Foods and Nutrition
Course
Foods and Nutrition 1021
Professor
All Professors
Semester
Winter

Description
NutritionFinalReviewWeek8CaffeineandAlcoholThemostcommonlyconsumedbeveragesworldwideare1Water2Tea3CoffeeThemostcommonlyconsumedbeveragesinCanadaare1Water2Coffee3TeaDailycoffeeconsumptionvariesacrossthecountryOntarioaverageamountBritishColumbiaAverageamountAtlanticCanadaLeastamountQuebecThemostCaffeineMostcommonlyconsumeddrugworldwideNaturalcomponentoftealeavescoffeebeanscocoabeansand60otherplantsCaffeinecontenthighlyvariablethereforecaffeinecontentofresultingteascoffeesandchocolatesalsovariableCentralnervoussystemstimulantfeelalertenergizedAfterweconsumecaffeineReachespeakbloodconcentrationwithin3060minutesofdigestionHalflifeof46hoursIehalfofthecaffeineconsumedisstillinthebodyafter46hoursWithinthistimeframeie30minutesto6hoursorsoManyofusfeelthephysicaleffectsofcaffeineVaryfrompersontopersonNervousnessirritabilityrestlessnessinsomniaheadachesheartpalpitationsCaffeinedependencyispossiblewithdrawalsymptomsTolerancewithrepeateduseEgcaffeineincreasesbloodpressurefor3hoursinthosenotusedtoconsumingitbutnotinregularcoffeedrinkersCaffeineandBoneHealthCaffeinedecreasesabsorptionofcalciumCaffeineincreasesurinarycalciumThereforeexcessintakecanleadtobonelossThosewhoconsumecaffeineANDhavelowcalciumintakesareathigherriskofpoorbonehealthCaffeineduringpregnancyCaffeinecrossestheplacentasoifmomdrinkscaffeinesodoesthebabySomeevidencethatcaffeineincreasesriskoflowbirthweightandpretermbirthRecommendationforcaffeineconsumptionduringpregnancysameasfornonpregnantwomenCaffeineRecommendationWomenofchildbearingage300mgperdayAllotheradults400mgperdayCoffeeInadditiontocaffeinecoffeealsocontainsCafestolandkahweoloilycompoundsincoffeebeansextractedfromgroundcoffeeduringbreakingbutaremostlyremovedbypaperfiltersIncreaseLDLCholesterolSeveralkindsofantioxidantsundergoextensivemetabolismhealthbenefitsuncertainLongtermhealtheffectsofcoffeeCoffeeconsumptionappearstodecreaseriskofType2diabetesParkinsonsdiseasecolorectalcancerandliverdiseaseBUTCoffeeconsumptionappearstoincreaseriskofcardiovasculardiseasepoorbonehealthFactorswhichcomplicateourunderstandingofcoffeehealthrelationshipCoffeedrinkersdifferfromnoncoffeedrinkersMorelikelytosmokedrinkalcoholhavelesshealthylifestylesdietexerciseHealtheffectsdependonthevolumeofcoffeeconsumedandtheconcentrationofconstituentsietypeofcoffeebeangrowingconditionsetcTeaAllteascomefromtheplantCamelliasinensisBlackteatealeavesarepickedoxidizedfermentedanddriedGreenteatealeavesarepickedsteamedanddriednotoxidizedOolongteatealeavesarepickedwitheredinthesunandpartiallyoxidizedTeaConsumptionTypeOfteaproducedandPopularinconsumedworldwideBlack7678EuropeNorthAmericaNorthAfricaGreen2022ThroughoutAsiaOolong2ChinaTaiwanTeaisrichinCatechinsoTheseareantioxidantsoHighestconcentrationsingreenteafollowedbyblackteaandthenoolongLTheanineoAnaminoacidderivativeoHasacalmingeffectoHelpsstrengthentheimmunesystemPositivehealtheffectsofteaIncreasesantioxidantstatusDecreasesriskofheartdisease3cupsperdayDecreasedatherosclerosisbyprotectionhealthofbloodvesselsIncreasebonedensityHelppreventdentalcavitiesteaisnaturallyfluoridatedGreenteamayhelpwithweightcontrolSmallincrease5inenergyexpenditureBUThealtheffectsofteaareinconsistentThedoseoftearequiredtoseeeffectsrangesfrom16cupsdCatechincontentdependsonGeographicallocationgrowingconditionsHowtheleavesareprocessedpriortodryingTypeofteablendeddecafinstantPreparationamountusedsteepingtimewhetherteaisstirredandhowmanytimesandwhethertheteabagissqueezedTeadrinkersdifferfromnonteadrinkersTeadrinkersmaymakedifferentlifestylechoicesthannonteadrinkersEgteadrinkersare55morelikelytomakehealthychoiceswhenchoosingarestaurantHerbalTeaNottechnicallyteaitdoesntcomefromcamelliasinensiscontainsnocaffeineorcatechins
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