May Exam Flashcards
Conditions for bacterial growth
Food
Moisture
Warmth
Time
What temperature is bacteria destroyed at
64 - 100°c
What temperature does bacteria multiply rapidly ( danger zone)
5- 63°c
Bacteria multiply slowly in the fridge at….
1- 4°c
In the freezer
Bacteria are dormant in freezer
Dormant
Inactive but the bacteria are still alive
What does dietary fibre prevent
Constipation
A prolonged deficiency of fibre can result in much more serious diseases such as
Bowel cancer and diverticular disease
Four good sources of fibre
Whole grain pasta
Whole grain cereal
Potatoes with skin
Nuts and seeds
What does carbohydrates supply the body with
Energy
There are two types of carbohydrates sugar and starch examples of starchy carbohydrates
Pasta
Bread
Rice
Potatoes
Couscous
Examples of sugary carbohydrates
Sweets
Fizzy drinks
Honey
Biscuits
Cakes and buns
If too much starch or sugar is eaten the excess can be stored as fat and may lead to…
Obesity
Excess sugar can lead to ….
Tooth decay and obesity
What is iron needed for
Haemoglobin - gives healthy red blood cells its colour - these cells carry oxygen around the body to help release energy