homec Flashcards
what is food spoilage
food spoilage occurs when food goes off and is unfit to eat
what are enzymes
enzyme are chemicals that are naturally present in veg and fruit enzymes cause fruit to ripen and spoil
what are microorganisms
they are tiny living organisms such as bacteria and fungi
what is food poisoning
food poisoning is an illness caused by eating contaminated food
what are the symptoms of food poisoning
nausea and vomiting,diarrhoea,fever,stomach cramps
three bacteria’s that cause food poisoning
campylobacter,e.coli,salmonella,
sources of bacteria
e.coli=not washing hands
campylobacter=undercooked meat
salmonella=raw eggs
what is cross contamination
when bacteria from one food crosses over to another
conditions needed for microorganisms to grow
time,oxygen,food,warmth
benefits of meal planning
reduce waste,shop less often,more likely to eat healthy
what does costing mean
accurately calculating the amount of money it costs to make a dish
methods of heat transfer
conduction,convection,radiation
radiation
hot rays from a heat source and heat moves through it cooking it
convection
the action or process of conveying
conduction
when heat travels from molecule to molecule
