Packaging and Processing Food Flashcards
processed food
a food that has undergone some form of processing to turn a raw ingredient into a food product
value added foods result from processing raw ingredients to a product of higher economic value eg: milk to cheese
reasons why food is processed
extend shelf life
make food safer to eat
create new products
ensure variety and choice
save energy time and fuel
classification of processed/convenience foods
frozen (chicken)
dried (fruit)
canned (fruit)
cook-chill (cartons of soup)
instant/ready to serve (take away)
functional food
used to describe any food that contains an added ingredient that gives the food HEALTH PROMOTING PROPERTIES beyond its original nutritive value
eg: benecol: plant stanols (no chd)
eg: bio yogurt: pro biotics (digestive system functioning)
food of extensive processing
food processed to extend shelf life
added value foods
milling wheat to produce flour
processing milk
milk to cheese
Genetically modified foods
foods that have had their DNA altered. the genes of plants and animals is responsible for the shape, texture, size or speed of ripening
by isolating the gene responsible for a particular characteristic, it can be introduced into another crop (eg:) making a cereal crop resistant to certain pests or herbicides
who monitors gm foods
ESFA
FSAI
biodegradable
can be decomposed by living organisms eg bacteria
packaging functions
protection
convenience
preserve
marketing
carry info
plastic
eg: polythene bags
plastic cartons
PET bottles
used: fired pasta, drinks
advantages of plastic
strong, moisture proof
flexible and lightweight
low cost
may be printed on
disadvantages of plastic
can contaminate foodstuff with carcinogenic substances when used in microwave cooking
plastic impact on environment
can persist for many years
made from crude oil, limited non renewable resource
major environmental hazard as litter
