Vitamin B12 Complex

Description

A-Level Food Technology Mind Map on Vitamin B12 Complex, created by Izzy Backhouse on 13/05/2016.
Izzy Backhouse
Mind Map by Izzy Backhouse, updated more than 1 year ago
Izzy Backhouse
Created by Izzy Backhouse over 8 years ago
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2

Resource summary

Vitamin B12 Complex
  1. B1 - Thiamin
    1. Deficiency
      1. Beriberi
        1. Loss of appetite, irritability and tiredness.
        2. Sources
          1. Yeast Peanuts Bacon Eggs Bread
          2. Effect of cooking
            1. Destroyed at high temperatures and very soluble in water.
              1. Lost during food preparation.
              2. Function
                1. Promotes nerve activity. Required for reactions which release energy from carbohydrates.
              3. B2 - Riboflavin
                1. Function
                  1. Essential for cell respiration. Maintenance of musocal and eye tissues.
                  2. Sources
                    1. Yeast, Cheddar cheese, Chocolate, Eggs, Milk, Spinach
                    2. Deficiency
                      1. Poor appetite, stunted growth, conjunctivitis
                      2. Effect of Cooking
                        1. More stable to heat than B1.
                      3. B3 - Pantothenic Acid
                        1. Sources
                          1. Found in virtually all foods.
                          2. Deficiency
                            1. None known to man.
                            2. Effect of cooking
                              1. Quite stable, less soluble in water
                              2. Function
                                1. Essential for cell metabolism
                              3. Folic Acid
                                1. Excess
                                  1. Disguises vitamin B12 deficiency which eventually damages the nervous system.
                                  2. Sources
                                    1. Broccoli, Sprouts Liver, Spinach, Peas, Chickpeas, Fortified breakfast cereals
                                    2. Deficiency
                                      1. Folate deficiency anaemia, neural tube defects.
                                      2. Effect of cooking
                                        1. Soluble in water, losses at high temperatures
                                      3. B12
                                        1. Sources
                                          1. Lamb, Pork, Beef, Cod, Eggs, Milk
                                          2. Function
                                            1. Formation of enzymes and normal red blood cells.
                                            2. Deficiency
                                              1. Pernicious anaemia
                                                1. Vegans can be at risk of deficiency if they do not take supplement tablets as it is only found in animal products.
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