HES 2823 1st Edition Lecture 5 Outline of Last Lecture I Blood Glucose Regulation continued A Blood Glucose Test B Unhealthy Regulation C Glycemic Index Outline of Current Lecture I Blood Glucose Regulation continued A Glycemic Index continued 1 Before Activity 2 During Activity 3 After Activity II Sucrose A Myths and Truths about Sucrose 1 Obesity 2 Diabetes 3 Hyperactivity among Children 4 Dental Caries or Tooth Decay 5 Nutrient Density Current Lecture I II Blood Glucose Regulation continued A Glycemic Index GI continued 1 Before activity consume low GI foods 2 During activity consume high GI foods such as maltodextrose containing substances 3 After activity consume high GI foods such as carbohydrate drinks and maltodextrose preferably within two hours of training to restore glycogen levels Sucrose table sugar disaccharide made of glucose and fructose A Myths and Truths about Sucrose 1 Obesity too much stored body fat a Does sucrose contain calories Yes 4 calories gram b If you over consume sucrose can you store those calories as fat Yes c Compare sucrose to starch These notes represent a detailed interpretation of the professor s lecture GradeBuddy is best used as a supplement to your own notes not as a substitute 2 3 4 5 i Both contain 4 calories gram ii Both ultimately convert to glucose monomers iii Both are able to be stored as fat d Maybe sucrose leads to obesity i Do people like sugar or fat more ii A study mixing varying ratios of dairy fat and sucrose determined this iii Most popular taste 50 fat and 50 sugar Examples of such ratios include whipped cream oreo cream twinkie cream filling milk chocolate Humans love sweet fat Fat is 9 calories gram The common combination of fat and sugar in foods causes obesity to become more prevalent Diabetes a Sucrose does not cause diabetes b Nor does sucrose wear out the pancreas Hyperactivity Among Children a Based on surrounding circumstances of consumption that cause excitement b Sucrose intake has no relation to behavior Dental Caries or Tooth Decay a Carbohydrates CHOs enter the mouth and bacteria ferments metabolizes them producing acids that attack and dissolve tooth enamel and causing dental caries b Truthful statement i If CHOs remain in the mouth long enough for fermentation to begin it becomes more likely ii The form stickiness and frequency of consumption can make tooth decay more common Nutrient Density ND a Calories are measures of energy b Percentage of the Dietary Reference Intake DRI for a nutrient that is provided by a food divided by or compared to the percentage of daily caloric intake i The DRI is basically the daily dietary recommended intake ii Example ND for vitamin C in orange juice 90 mg of vitamin C present 100 calories present RDA 90 mg RDA 2000 calories ND 90 mg eaten 90 mg recommended x 100 100 ND 100 calories eaten 2000 calories recommended x 100 5 100 5 20 no units iii Foods with a nutrient density greater than 1 are recommended c Two Types of DRI i Recommended Dietary Allowance RDA Used when much data is available ii Adequate Intake AI Used when less data is available
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