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34 Cards in this Set
- Front
- Back
6 classes of nutrients:
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carbohydrate, fat, protein, water, vitamins, minerals
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Essential nutrient
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body cannot make (or can't make enough); must be consumed
required by body Examples: carbs, essential amino acids, vitamins, minerals, water, essential fatty acids (linoleic acid, alpha-linolenic acid) |
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Nonessential nutrient
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present in food
made by the body don't need to consume Ex: cholesterol & creatine |
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DRI
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refers to the nutrient intake standards for healthy people
prevent chronic disease |
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4 Standards Under DRI
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RDA, EAR, UL, AI
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EAR
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Estimated Average Requirement
nutrient intake standard estimated to meet the needs of 50% of people in a certain age and gender group |
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RDA
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Recommended Dietary Allowances
recommended intakes of nutrients that meet the needs of almost all healthy people of similar age and gender generous allowances (meeting 75% still great) max benefit stops at RDA...no larger amount will be beneficial |
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RDA = ______ x _______
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RDA = EAR x 1.2
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AI
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Adequate Intakes
theoretical RDA not enough info to make an RDA |
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UL
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Tolerable Upper Intake Levels
Max daily intake before toxicity |
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Total Fat DV
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65 g
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Saturated Fat DV
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20 g
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Cholesterol DV
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300 mg
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Sodium DV
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2400 mg
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Total Carbohydrate DV
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300 g
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Dietary Fiber DV
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25 g
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Vitamin A DV
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5000 IU
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Vitamin C DV
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60 mg
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Calcium DV
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1000 mg
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Iron DV
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18 mg (women of child-bearing age)
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AMDR
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Acceptable Macronutrient Distribution Range
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Carbohydrate AMDR
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45-65% total kcal
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Fat AMDR
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20-35% total kcal
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Protein AMDR
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10-35% total kcal
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Carb, Protein, Fat kcal/g
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Carb: 4
Protein: 4 Fat: 9 |
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Water Soluble Vitamins
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B Vitamins + C
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B Vitamins - 9
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Thiamin, Riboflavin, Niacin, Folate, Pantothenic acid, B6, B12, biotin, choline
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Fat-Soluble Vitamins
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ADEK
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Health problems related to nutrition originate where?
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From within the cells
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Nutrigenomics
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study of nutrient-gene interactions and their effects on health
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Enrichment
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replacement of thiamin, niacin, riboflavin, and iron lost when grains are refined
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Fortification
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addition of a vitamin or mineral to a food product
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Because grains are now fortified with __________, rates of __________ have declined
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folic acid, neural tube defects
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Anthropometric assessment
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body size, height, weight, waist circumference, % body fat, etc..
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