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Nutrition Fundamentals

Nutrition Fundamentals - resveratrol Will taking B-vitamin...

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Nutrition Fundamentals What is a nutrient? chemical needed for life sufficient quantities cannot be made by body Nutrients Essential conditionally essential Inadequate intake – Deficiency Excess intake of some - Toxicity Macronutrients Carbohydrate Proteins & amino acids Lipids & Essential Fatty Acids Vitamins Fat soluble: A, D, E, K Water soluble: B-vitamins (8), vitamin C Micronutrients Minerals 17 Water What else? Dietary fiber non-digestible carbohydrate Bioactive food components non-essential molecules with physiological effects carotenoids other than β-carotene lutein isoflavenoids
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Unformatted text preview: resveratrol Will taking B-vitamin supplements give you more energy? • Consequences of B-vitamin, Iron or Copper Deficiency • Decreased energy production from carbohydrate, fat or protein • Decreased use of energy for muscles, synthesis of new compounds, growth or other work in body • FATIGUE • Why RBC? • Oxygen-Carbon Dioxide Exchange in Lungs • Hemoglobin • Nutrients for RBC & Hemoglobin Synthesis • Minerals – Iron – Copper • Vitamins – Folate – Vitamin B-12 • Consequences of Anemia • Decreased oxygen delivery to tissues • Decreased energy production • FATIGUE...
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