Flashcards in Food And Nutrition Deck (21)
Wha are the functions of food
Growth energy warmth and protection against disease.
What are the factors effecting food choice
Cost, availability, lifestyle, culture, nutritional value and the senses
What are the four tastes sensed by the tastebuds
Sweet, Sour, Bitter, and Salty
What are staple foods
Foods which are plentiful and most commonly eaten in a country.
What is a nutrient
A chemical in food that nourishes the body.
What are macronutrients
Nutrients needed in large amounts e.g proteins, fats and carbohydrates.
What are micronutrients
Nutrients needed in small amounts e.g vitamins and minerals
What are proteins
Needed for growth, repair, heat and energy. They are made up of amino acids. They are classified into high biological value and low biological value protein.
WHat are fats
They are made from fatty acids and glycerol.
What are fats classified in
Fats are classified in saturated fats and unsaturated fats
What are carbohydrates
Carbohydrates are made up of simple sugars called glucose
What are the three groups carbohydrates are divided into
Sugars starches and fibre
What does fibre help with
Fibre helps with the movement of food through the body
What happens when cereals are refined
The fibre is removed
What two groups are vitamins divided into
Water soluble ( vitamin B &C )
Fat soluble ( Vitamin A, D, E & K )
What is hypervitaminosis
Hypervitaminosis is caused by excess of vitamin A & D in your diet.
What are trace minerals
Nutrients needed in small amounts
What is calcium
Calcium is necessary for healthy bones and teeth
What is iron
Iron is necessary to form haemoglobin in red bold cells
How does oxidation occur
It occurs when oxygen burns up food in the body's cells, releasing the energy.