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Food Science

Food Science. Vitamins and minerals – what are they?. Learning objectives. Describe the difference between minerals and vitamins Understand why we need vitamins and minerals. Supplements. Massive range available (at a price) Vitamins Minerals Multivitamins Combination

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Food Science

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  1. Food Science Vitamins and minerals – what are they?

  2. Learning objectives • Describe the difference between minerals and vitamins • Understand why we need vitamins and minerals

  3. Supplements • Massive range available (at a price) • Vitamins • Minerals • Multivitamins • Combination • Does your body really need these?

  4. Vitamins • ‘Vital’ for life, can’t live without them • Chemical compounds • Only tiny amounts needed • 13 Different vitamins • Found in: • Fruit • Vegetables • We can only make 4

  5. Solubility • Some vitamins are fat soluble • A, D, E and K • Stored in body fat and liver until needed • Some vitamins are water soluble • Use straight away • Passed in urine

  6. Testing for Vitamin C

  7. Minerals • Chemical elements needed to keep you healthy • Maintain immune system • Helps cells and organs do their jobs • Transmitting nerve signals • Producing hormones • Found in: • Fruit • Vegetables • Need at least 20

  8. How much do we need • RDA – Recommended daily Allowance • Different for each vitamin or mineral • Dieticians say • Best way to get vitamins and minerals is through a healthy balanced diet • Should provide everything you need • If diet is lacking • Vitamin/mineral deficiency

  9. Learning outcomes • What’s the difference between minerals and vitamins? • Why do we need vitamins and minerals? • What do we call the amount we should get in our diet?

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