Nutrients
Nutrients are life-sustaining substances found in food. They work together to supply the body with energy and structural materials, and to regulate growth, maintenance and repair of the body's tissues. Carbohydrates, protein, fats, Vitamins, Minerals, and water are the six major classes of nutrients.
Energy Nutrients
- Carbohydratents 4 kcal/gm
- Proteins 4 kcal/gm
- Fats 9 kcal/gm
- Alcohol 7 kcal/gm
Dietary Guidelines
By adapting these principles people can reduce there risk of such diet-related diseases as cahcer, heart disease, diabetes, hypertension and obesity, to name a few.
The dietary guidelines for americans are as follows:
- Eat a variety of foods.
- Balance the food you eat with physical activity to maintain or
improve your weight.
- Choose a diet low in total fat, saturated fat and cholesterol.
- Choose a diet with plenty of vegetables, fruits and grain
products.
- Choose a diet moderate in sugars, salt and soduim.
Recommended Dietary Guidelines (RDA)
CHO - 65% of total calories
Protein - 12-15%
Fats - 30%
