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Food and Nutrition > Half Term 3 > Flashcards

Half Term 3 Flashcards

1
Q

What are the 2 main functions of carbohydrates in the body

A

Gives the body energy
Bowel movement

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2
Q

State the two monosaccharides

A

Glucose
Fructose

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3
Q

Star the name of two disaccharides

A

Maltose
Sucrose

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4
Q

Name two types of polysaccharides

A

Starch
NSP

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5
Q

State a deficiency of carbohydrates

A

Lack of energy or tiredness

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6
Q

What is the name given to the reaction what occurs when food containing starch is cooked by dry heat and develops a brown colour

A

Caramelisation

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7
Q

Is fat classed as a micronutrient or a macronutrient

A

Macronutrient

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8
Q

Name the two different sources of fat

A

Unsaturated
Saturated

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9
Q

How much energy is provided by 1g of fat

A

9kcals

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10
Q

Describe the chemical structure of fat

A

Glycerol Fats - fatty acids
-fatty acids
- fatty acids

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11
Q

What percentage of food energy should come from fat

A

35%

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12
Q

Describe what happened to the starch in a sauce at 60C

A

Starch granules begin to swell as they absorb water

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13
Q

Describe what happened to the starch in a sauce at 80C

A

Starch granule burst which will thicken the sauce

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14
Q

Describe what happened to the starch in a sauce at 100C

A

The starch has thickened and the sauce is done

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15
Q

What are fats when they are a liquid at room temperature

A

Oils

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16
Q

What is the term used to describe fatty acids which cannot be made in the body

A

Essential fatty acids

17
Q

Name two food sources which produce essential fatty acids

A

Omega 3 and omega 6

18
Q

Name four functions for fat in the body

A

Insulation
Protects organs
energy
Gives body essential fatty acids

19
Q

Explain a deficiency of fat in the diet

A

Become cold more quickly as you have less insulation to keep your body warm

20
Q

State two effects of excess fat in the diet

A

Obesity
Risk of heart attacks

Food and Nutrition (3 decks)

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