Vitamins & minerals

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Vitamins & minerals

  1. 1. Minerals<br />
  2. 2. Mineral Salts<br />Lack of minerals in diet can lead to a variety of serious conditions.<br />Calcium<br />Iron<br />Chromium<br />Magnesium<br />Zinc<br />
  3. 3. Iron<br />Iron (as part of the protein hemoglobin) carries oxygen from our lungs throughout our bodies. <br />Having too little hemoglobin is called anemia. <br />Iron also helps our muscles store and use oxygen.<br />Iron is a part of many enzymes and is used in many cell functions. <br />
  4. 4. Sources of Iron<br />Oysters <br />Clams<br />Cereals<br />Organ meats (liver)<br />Soybeans<br />Vegetables<br />
  5. 5. Iron Deficiency<br />Iron deficiency is the most common nutritional deficiency and leads to a condition called anemia<br />Signs of iron deficiency anemia include<br />Feeling tired and weak<br />Decreased performance<br />Slow social development during childhood<br />Decreased immune function, which increases susceptibility to infection<br />Glossitis (an inflamed tongue)<br />
  6. 6. Calcium<br />Calcium is needed for the formation of your skeleton and teeth, for muscles to contract and for blood clotting to take place.<br />
  7. 7. Sources of Calcium<br />Dairy products - low fat or nonfat milk, cheese, and yogurt<br />Dark green leafy vegetables<br />Calcium fortified foods - orange juice, cereal, bread, soy beverages, and tofu products<br />Nuts - almonds<br />
  8. 8. Calcium Deficiency<br />Weak bones (Osteoporosis)<br />Weak muscles<br />Delay in blood clotting<br />
  9. 9. Vitamins<br />
  10. 10.
  11. 11.
  12. 12. Scurvy<br />Symptoms include lethargy, followed by formation of spots on the skin, spongy gums, and bleeding from the mucous membranes. <br />Spots are most abundant on the thighs and legs, and a person looks pale, feels depressed, and is partially immobilized. <br />As scurvy advances, there can be open wounds, loss of teeth, jaundice, fever and death.<br />
  13. 13. Rickets<br />Rickets is a softening of bones in children due to deficiency of vitamin D, magnesium, phosphorus or calcium,<br />This leads to easy bone fractures and deformity.<br />
  14. 14. What is nutrition?<br />Nutrition is the taking in of nutrients containing raw materials or energy for growth and tissue repair, absorbing and assimilating them.<br />
  15. 15. Fibre<br />Dietary fibre is the indigestible part of food made up of mainly cellulose from plant cell walls.<br />Plenty of fibre in the diet stretches the muscles of the gut wall and helps push the food along by peristalsis.<br />Shortage of fibre can cause constipation.<br />Shortage of fibre is also connected to the development of bowel cancer.<br />
  16. 16. Water<br />Water forms about 70% of human body.<br />Humans lose about 1.5 litres of water each day in urine, faeces, exhaled air and sweat.<br />Water must replaced through diet.<br />As drink<br />In food (such as tomatoes and lettuce)<br />From metabolic processes<br />

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