Wednesday 7 December 2011

HTF 200: INTRODUCTION TO NUTRITION

CHAPTER 7: MINERALS

MAJOR MINERALS AND FUNCTIONS
1)      CALCIUM
*      Building bones and teeth
*      Blood clotting
*      Muscle contraction
*      Nerve transmission
*      May lower blood pressure
2)      PHOSPHORUS
*      Building bones and teeth
*      Energy metabolism
*      Part of DNA
*      Buffer of acids and bases
3)      MAGNESIUM
*      Energy metabolism
*      Muscle contraction
*      Nerve transmission
*      Immune system
4)      SODIUM
*      Water balance
*      Acid-base balance
*      Nerve transmission
*      Muscle contraction
5)      POTASSIUM
*      Water balance
*      Acid-base balance
*      Nerve transmission
*      Muscle relaxation
6)      CHLORIDE
*      Water balance
*      Acid-base balance
*      Part of hydrochloric acid in stomach
7)      SULFUR
*      Part of protein, thiamin, and biotin


TRACE MINERALS AND FUNCTIONS

                                i.            IRON: Component of hemoglobin and myoglobin; energy metabolism.
                              ii.            ZINC: Wound healing; bone formation; DNA synthesis; Protein, carbohydrate and fat metabolism; development of sexual organs; taste perception.
                            iii.            IODINE: Part of thyroid hormones; normal metabolic rate.
                             iv.            SELENIUM: Part of antioxidant enzymes; regulates thyroid hormones.
                               v.            FLUORIDE: Strong teeth and bones.
                             vi.            CHROMIUM: Works with insulin.
                           vii.            COPPER: Works with iron to form hemoglobin; synthesis of collagen; energy metabolism.
                         viii.            MANGANESE: Form bone; metabolism of carbohydrate, fat and protein.
                             ix.            MOLYBDENUM: Cofactor for several enzymes.

Reference: Drummond, K. E. & Brefere, L. M. (2010). Nutrition for foodservice and culinary professionals. New Jersey: John Wiley & Sons Inc.

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