food processing and packaging

Question 1

reasons why food is processed

Answer 1

• to extend shelf life eg pasteurisation on milk
• to make food safe to eat eg freezing fish
• to create food products eg cheese and yogurt
• fortification of foods eg calcium added to flour

Question 2

convenience foods (advantages)

Answer 2

• save time
• easy to store
• wide variety available
• fortified with vitamins and minerals

Question 3

classification of fortified foods

Answer 3

• frozen: fish, chicken, pizza, peas
• dried: milk, sauces, cake mixes
• canned/bottled: fish, soup, jam, pickles
• cook-chill food: fresh pastas, carton of soup, lasagna
• instant: pizzas, burgers

Question 4

functional food

Answer 4

food that is added ingredient thats beneficial for you

eg. plant sterol esters(benecol), probiotics(yogurt), omega 3 (milk), folic acid (cereals)

Question 5

cook chill food method

Answer 5

• food is coold to 3 degrees for 30 mins
• completely chilled within 90 mins of cooking
• stored at 1-3 degrees
• stored in chilled cabinets after being transported.

Question 6

convenience food (disadvantages)

Answer 6

• can be expensive
• high in additives (artificial flavor)
• high in sugar salt and fat

Question 7

cook chill (pasteurised)

Answer 7

• cooked food is put in a container
• sealed (partial vacuum)
• pasteurised at 80 for 10 mins
• chilled to 3 degrees
• stored at -1 to 3 degrees
• chilled in cabinets

Question 8

GM foods

Answer 8

a genetically modified food is one in which dna structure of the food has been altered.

• transferring genes to another plant can engineer the genetic make up of the plants
• not in the EU
• available in the us and canada