Concept about Zinc – This book covers the entire syllabus of “Nutrition and Dietetics” prescribed by BNMC-for all Diploma in Nursing Science and Midwifery students. We tried to accommodate latest information and topics. This book is examination friendly setup according to the teachers’ lectures and examination’s questions. At the end of the book previous university questions are given. We hope in touch with the book students’ knowledge will be upgraded and flourished. The unique way of presentation may make your reading of the book a pleasurable experience.

Table of Contents

Concept about Zinc

Sources of zinc: Zinc is widely distributed in foodstuffs, both vegetable and animal origin.

1. Vegetable sources: The bioavailability of zinc vegetable foods is low. Oatmeal, Wheat whole, pulses, nuts and oil seed, orange, bread etc.

2. Animal sources: Meat, milk and fish are dependable sources.

(Ref: T. K. Indrani/1/26)

Functions of zinc:

1. Essential in normal reproduction.

2. Required for cell growth.

3. Zinc is active in the metabolism of glycosides and proteins.

4. It is required for the synthesis of insulin by the pancreas

5. It is required for the immune function.

6. It needed for the formation of DNA and RNA and connective tissues.

7. It is found in insulin.

8. It helps in healing burns wound interference with utilization of copper occurs due to high intake of zinc.

9. Zinc is part of many enzymes.

(Ref: Onila Salin’s Essential nutrition/1/50-51)

Effects of zinc deficiency:

Zinc deficiency leads to-

1. Growth retardation.

2. Sexual infantilism.

3. Multiple infections.

4. Skin disorders.

5. Disorders in taste.

6. Delayed reproductive growth.

7. Anaemia

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Daily requirement of zinc:

Age group	Requirements
Infants	3.5 mg
Childres	10-15 mg
Adult	15-20 mg
Pregneet mother	20-25 mg
Lactating mother	20-25 mg

Causes of zinc deficiency:

1. Suppressed taste and odour acuity is a consequence of zinc deficiency.

1. Hypogeasia-Decrease in taste acuity

3. Dysgeusis-Unpleasant, obnoxious taste

4. Hypoimia Decrease in oder acuity

5. Dysomis-Disagreeable olours

Causes of low plasma zine:

1. Intestinal disease

2. Anorexia nervosa

3. Diabetes melion

4. Nephrotic syndrome

3. Burns

6. Hemodialysis

7. Chronic febrile illnes

8. Chromic alonholism

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Nutrition and Dietetics | Diploma in Nursing Science and Midwifery

Concept about Zinc | CHAPTER 1 | Nutrition and Dietetics