Nutrients And Their Roles Flashcards
What are sources of carbohydrates?
- Whole fruits and vegetables
- Milk sugars in dairy products
- Honey, fruit juices, confectionary
• As starch in potatoes, bread, rice,
pasta
What are the functions of carbohydrates?
• Provide energy
• Have a protein sparing effect so
that protein is used for growth &
repair rather than energy
What happens if you are deficient in carbohydrates?
- Constipation
- Diverticulitis
- Bowel cancer
What happens if you have an excess of carbohydrates in your diet?
- Weight gain
* Increased risk of dental caries
What is the function of fat in the diet?
- Provides energy
- Insulates and protects organs
- Keeps us warm
- Source of fat soluble vitamins A&D
- Source of omega 3 & omega 6
What are sources of fat?
- Saturated fat
• Meat, eggs, dairy products, butter
-Unsatured fat
• Olive oil, avocados, sunflower oi
- Essential fatty acids
• Oily fish, margarine, nuts
What happens if you are deficient in fat?
Deficiency is rare
What happens if you have excess fat in your diet?
- High blood cholesterol
- Risk factor of coronary heart disease
- Weight gain
What is the function of protein?
- Growth and repair of body cells and tissues
* Can be used as a secondary source of energy
What are some sources of protein?
- Animal protein
• meat, fish, eggs, dairy - Plant protein
• Nuts, pulses, cereal productions - Novel protein
• Tofu, soya products
What happens if you are deficient in protein?
- Protein energy malnutrition
* Can delay growth in children
What happens if you have an excess of protein in the diet?
Excess is rare