Food Flashcards
What is the difference between pathogenic and non-pathogenic bacteria?
pathogenic - is bad, disease causing bacteria that leads to poisoning
non-pathogenic - is good, not harmful and is used in food processing e.g. yeast in bread and beer making, and cultures in yoghurt and cheeses
Why is sodium added to food?
To prolong shelf life
What are some things that speed up food spoilage?
- mishandling food
- poor storage conditions
- exposure to oxygen
- absorbing odours from other food
- exposure to light
What is the danger zone for food?
5-60C
What does reducing temperatures do to bacteria?
slows down the rate of bacteria multiplication however, does not kill it
What are some types of preservatives?
- benzoic acid
- sorbic acid
- antioxidants
- parabens
- nitrates
- sulfur dioxide
- propionic acid
What are types of labelling on food?
- Nutrition labelling
- Percentage labelling
- Name or description of food
- Product recall processes
- Allergy information
- Ingredients list
- Date marking
- Additives list
- Storage requirements
- Country of origin
what are some exemptions of unlabelled food?
- Unpackaged food
- Restaurant food
- Packaged fruit and veg
- Some food deliveries
- Food sold at fund raisers
- Food made and sold on premises
- Food packaged in presence of customer
- Individual serve packages sold in large packages
What are food additives and what does it help with?
Products that are added to food which are not normally eaten as food in its own right.
They can improve flavours, change textures, increase nutritional value, sweeten, thicken and increase shelf life etc.
What are some tyes of food additives?
Acids/acidity regulators
Anti-caking agents
Antioxidants
Colourings
Emulsifiers
Stabilisers
Flavour enhancers
Preservatives
Raising agents
Sweeteners
Thickeners
What is the difference between food poisoning and food spoilage?
food poisoning - illness resulting from eating food which contains food poisoning micro-organisms or toxins
food spoilage - the action of enzymes or microorganisms which make the food unacceptable to consume
