Nutrition and health - PowerPoint PPT Presentation

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Nutrition and health

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  1. Dr Ubaid N P Nutrition and health

  2. Reference man 60 kgs 18-29 yrs, Ht- 1.73mt BMI- 20.3 Free from diseases Physically fit for active work, on each working day, engaged in 8 hrs work Involved in mod. Activity Spends 8 hrs in sleeping, 4-6 hrs sitting & moving about, 2 hrs in walking and in active recreation or household duties.

  3. Reference woman 18-29 yrs, 55 kgs, non pregnant, lactating Ht- 1.61 mt BMI- 21.2 Free from diseases Physically fit for active work, on each working day, engaged in 8 hrs work Involved in mod. Activity Spends 8 hrs in sleeping, 4-6 hrs sitting & moving about, 2 hrs in walking and in active recreation or household duties.

  4. Sedentary work Lifting not more than 10 pounds at a time Usually sitting with occasional walking or standing Standing and walking –total 2 hrs or less per 8 hrs Sitting- 6 hrs per 8 hrs on work days Males- teacher, executive, priest, barber, retired personnel, peon. Females- teacher, tailor, executives, housewives

  5. Moderate work 3 or more days of vigorous activity of at least 20 min per day 20-50 (9.1-22.7 kg) pounds of force is exerted 5 or more days of 20-50 pounds intensity work or walking for at least 30 min per day 5 or more days of any combination of walking, moderate or vigorous intensity activities Males-agricultural, labourer, carpenter, mason, welder, coolie, driver, weaver etc Females-maid servant, basket maker, weaver, agricultural labourer

  6. Heavy work 7 or more days of any combination of walking, moderate, or vigorous intensity activities Vigorous intensity activities on at least 3 days 100 pounds or more lifting occasionally or 50 or more pounds of force frequently. Males- stone-cutter, black smith, mine worker, wood cutter Females- stone cutter

  7. Balanced diet • Diet which contain a variety of food in quantities and proportions that meet the requirement of energy , amino acids, vitamins and minerals for maintaining health and general well bieng.

  8. Calculation of balanced diet

  9. Calculation of balanced diet

  10. Criteria for calculation on balanced diet • Energy from cereals should comprise 70% of the total energy requirement (it should not exceed 75 %) • Cereal protein: Pulse protein = 5: 1 • All vegetables should not exceed 150g • Fats should not exceed 15% of the total calories (5% from sugar, 5% from saturated fat and 5% from unsaturated fat) • Minimum intake of milk should be 100 ml • Food should be palatable

  11. Problem 1 • Calculate the diet for a person requiring 2400 Kcal energy per day?

  12. ASSIGNMRNT • EXERCISE 2: Calculate the diet for a man who does heavy work and requires 3490 Kcal energy per day? • EXERCISE 3 Calculate the diet for a woman who does sedentary work and requires 1900 Kcal energy per day?