GCSE Food Nutrition-Nutrients:Mindmap

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  • Food nutrition
    • Macronutrients
      • nutrients needed by the body in large quantites to bulk your diet
    • Micronutrients
      • nutrients that are vital to health byt are rquired in very small quantites
    • Kcals
      • Men need a daily average of 2500 calories to maintain a healthy weight
      • Women need a daily average of 2000 calories to maintain a healthy weight
    • Carbohydrates
      • Make up a third of our diet
      • Provide energy
      • eaten>broken down into glucose>absorbed into the blood stream>used for energy
      • Provide 50% of our energy
      • Excess is stored as body fat so should avoid white and processed items instead go for wholegrain
      • Complex Carbs
        • energy is released slowly throughout the day
      • Simple Carbs
        • Energy is released quickly by the body to provide a quick burst of energy however results in a crash leading to feeling extra tried
    • Proteins
      • proteins are long chains of amino acids,these are indispensable so they'll vital for survival and we can't live with them
      • excess protein>converted into glucose?stored in the liver as glycogen> secondry source of energy
      • Animal proteins
        • HBV=high biological value
          • contain all of the indispensable amino-acids
            • meat
              • fish
                • Eggs
      • Plant Proteins
        • LBV=low biological value
          • lack one or more of the indispensable amino acids
  • Proteins
  • Fats
  • Carbs
  • Minerals
  • Vitamins
  • potatoes
    • pulses
  • nuts
  • rice
  • pasta
  • growth
    • maintence
      • repair
  • Lentils
    • Cereals
    • Nuts
  • Fats
    • provide energy
    • provide vitamins A,D,E,K
    • provide a protective layer around vital organs like the kidneys
    • Animal Fats
      • saturated fatty acids cause health issues as they block artiers
      • converted to cholestrol in the liver
  • Vegetable Fats
    • unsaturated healthier fatty acid
    • not converted to cholestrol
    • avocardo
      • olive oil


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