Standard Grade Home Economics

Individuals have varying dietary needs !!!

Factors affecting food choice

• Age • Body size• Genetics• Sex• Health• Activity• Income

Baby

• Breast Milk advised• Right amount• Correct temperature

and consistency• Easy to digest• Free !!!• Antibodies-protects

babies immune system• No risk of

contamination• Helps mother and baby

bond.

• Weaning• 4-6months• Milk Solids

Infants (1-3 yrs old)

• DO NOT FOLLOW HEALTHY EATING ADVICE !!!

• Eat little and often• Energy Fat

• Sugar Salt• Dietary fibre,

Protein, Calcium• Vitamins and

Minerals

Primary School Children

• CAN NOW FOLLOW HEALTHY EATING GUIDELINES

• Eating habits develop (good and bad – can lead to future health problems).

Healthy eating + Activity

Nutrients:Protein, CHO, Calcium,Iron

Adolescence (12-18 years old).

• Boys• Major growth

spurt• Bodily changes• Increase in

Muscles • Protein + Energy

• Girls• Growth Spurt• Bodily changes• Menstruation• Iron, Calcium,

Protein, Energy

Adults

• No rapid growth spurts – Nutrients needed for maintenance and repair.

• 19-50 year old• Men – 2550Kcals• Women –

1940Kcals

• Healthy diet very important

Elderly People

• Number of Elderly people in UK increasing. Less Active Energy.

• Nutrient dense food – no cakes or sweets.

• Constipation - NSP• Anaemia - Iron and Vitamin C• Bone disorders - Calcium, Vit D &

Phosphorus (Osteoporosis)• Digestive Disorders – False Teeth

Vegetarians

• Two Types• Lacto• Vegan

• Religion, Moral Issues, Health, Taste, Peer Pressure.

• Watch• Iron• Vit B12• Dietary Fibre• Calcium

• LBV HBV

PregnancyEating for two?

No – only an extra 500Kcals a day

Nutrients to include in diet

ProteinCalciumIronFolic AcidDietary fibre

Other concerns:• Soft Cheese, Pate, Raw

eggs, Soft Ice Cream (Listeria & Salmonella bacteria)

• Weight• Constipation

Convalescents

• THE BALANCE OF GOOD HEALTH DOES NOT APPLY.

• Malnutrition exist in hospitals.

• Increase requirements for:

• Energy, Protein, Calcium, Iron, VitC, D and A to help repair body tissues.

Individuals have varying dietary needs !!!

• Think about people you know• Which category do they fall into?

• What about yourself?

• Look Good Feel Great!!!

DRV

• Dietary Reference Values

The estimated amount of nutrients and energy required by different people groups.

EAR

• Estimated Average Requirement

An estimate of the amount of energy in particular required by individuals

LNRI

• RNI – Reference Nutrient Intakes• Lower Reference Nutrient Intakes

RNI’s are the amount of protein, vitamins and minerals required by individuals. The ‘Lower’ refers to the lowest level which is still enough.

Questions in SG Home Economics

• Attempt questions as directed by teacher

• Answers in notebook

Homework

• Write down ingredients for Mini Pizza – explain how this meal would suit dietary needs of an infant.