Brainscape's Knowledge GenomeTM

Browse over 1 million classes created by top students, professors, publishers, and experts.


See full index

NFS > Chapter 16- convenience food > Flashcards

Chapter 16- convenience food Flashcards

1
Q

define convenience food

A

convinience food is food that has been processed or partially processed to ease prepreration and increases shelf life.

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
2
Q

two categories of convenience food

A

ready to eat and ready to cook

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
3
Q

how else can convinieces food be classified

A

bottled food, dried food, frozen and chilled food

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
4
Q

explain ready to eat food

A

ready to eat food can be consumed straight from the packaging without the need to cook or heat up

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
5
Q

explain ready to cook food

A

needs to be cooked or heat up before eating.

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
6
Q

examples of ready to eat food

A

cereal, ice cream, canned fruits, canned tuna

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
7
Q

examples of ready to cook food

A

pasta, instant noodles, dumplign frozen pizza

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
8
Q

how is bottled or canned food processed

A

bottled and canned food are normally heat treated or coked with other ingredients before sealing into sterealised bottles or cans

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
9
Q

why are caned and bottled food heated before packing

A

they are heated at high temeperatures to kill bacteria in the food, so that the shelf life will be incraesed without having to worry about miroorgansms spoiling the food.

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
10
Q

examples of canned and bottled food

A

canned tuna, ketchup and jam

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
11
Q

7 advantages of convenience food

A
  • a wide variety to chose from
  • does not require much time to prepare or cook
  • can be used in times of emergency like lockdown
  • useful for serving guests at home when they show up unexpected
  • longer shelf life than fresh food
  • less food wastage compared to fresh food as the whole thing is edible and dont need t waste the two leaves that are spoiled like in fresh food
    -may have replenished nutrients or added nutrients like orange juice with vitamin C or milk with vitamin D
How well did you know this?
1
Not at all
2
3
4
5
Perfectly
12
Q

5 disadvantages of convenience food

A

-maybe more expensive than fresh food
-texture of convinience food may not be desired compared to its fresh form
- may contain high amounts of sugar and salt
- may have lesser nurtients which may have been lost during the heating , like the heat sensitive nutrients
- may contain additives that maybe be bad for health

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
13
Q

how to increase nutritional value of convenience food

A

convinience food may be combined with fresh food to increase nutritional value and add variety

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
14
Q

what is dried food

A

dried food is food with the water content removed , the low moisture content prevents bacterial growth and prevent food spoilage. Dried food can be stored for 6 months to 2 years

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
15
Q

what are some examples o dried food

A

ikan bilis and dried mushroom and pasta

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
16
Q

how are dried food preserved for longer shelf life

A

the mositure in them is removed

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
17
Q

where is frozen food stored and at what temperature

A

negative 18 degress or below

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
18
Q

how can frozen food be

A

they an be raw, partially cooked or fully cooked

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
19
Q

examples of frozen food that can be eaten immediately

A

ice cream and frozen yoghurt

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
20
Q

examples of frozen food that has to be thawed first

A

frozen cakes or frozen cheesecakes

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
21
Q

examples of frozen meat that has to be cooked first

A

pizza, ,eat , dumpling and pies and vegetables

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
22
Q

how does freezing preserve the food

A

when the food is frozen the moisture, the water is crystalised into water crystals so there is no way for the micro organisms to grow as there is no water for them to grow

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
23
Q

where is chilled food stored at and at what temperature

A

chilled food are stored in the chiller at 4 degree celcius

24
Q

how long can chilled food be stored an how can they be classified

A

they can be stored for two days to one week and they can be ready to cook or ready to eat.

25
Q

three examples of chilled food

A

fish balls, ham , cheese and fresh noodles

26
Q

define food additives

A

food additives are substances that are added to the food during processing. Many processed food have addittives

27
Q

6 reasons why food additives are added

A
  • to improve colour
  • to improve favour
  • to improve texture
  • to enhance nutritional value
  • to extend shelf life
  • to maintain desired quality of the food
28
Q

what are two classifications of food additives

A

natural food addittives and articficial food additives

29
Q

name and explain three natural food additives

A

salt - it is added to add savoury flavour to food
sugar - it is added to add sweetness to the food
stevia - is a plant based sweetener that is 200 times sweeter than sucrose

30
Q

name and explain three artificial food additives

A

saccharin - is an articficial swetener that is 300 times sweeter than sucrose
monosodium glutamate - is commonly added to enhance flavour in savoury food
sodium nitrate - a chemical preservative that is added in cured meat

31
Q

examples of food where are the six additives are added

A

salt - salted egg
sugar - ice cream
stevia - carbonated drinks
saccharin - carbonated drinks
monosodium glutamate - potato chips
sodium nitrate - ham

32
Q

what are four uses of sugar as an additive

A
  • takes part in caremelisation and maillard browning in baked products
  • enhance the incorporation of air in batters
  • preserve food like in jams
  • keeping cakes temder sice it can atrract miosture
33
Q

where is aspartame used

A

aspartame an be used in acidic products like jams and carbonated drinks

34
Q

where aspartame cannot be used

A

aspartame cannot be used in baked products as it is not heat stable

35
Q

where can saccharine be used

A

saccharin ca be used in baked product as it is heat stable . so it can be added n carbonated drinks and jams as well

36
Q

where is stevia from

A

stevia is a sweetener from leaves of a plant species called stevia rebaudiana

37
Q

where can stevia be used and why

A

stevia is heat stable and s also stable in acidic an alkaliness so it can be used in beverages and baked poducts and cereals

38
Q

which foods contain sweeteners

A

carbonated drinks and baked good, majoritarily

39
Q

does a lot of artificial sweeteners needed for replacement of sugar/sucrose

A

nope, artificial sweeteners are hudreds of time more sweeter or the same amount of it and sucrose

40
Q

what are the two other functions of salt

A
  • preserve food by reducing moisture
  • enhancing the flavour and texture of baked products
41
Q

what is sodium nitrite, where is it used and what are its two functions

A

sodium nitrate is a chemical preservative used in cured meat. its main function is to prevent the growth of bacteria in meat

42
Q

examples of food that contain sodium nitrite

A

sausage and the seasoning of instant noodles

43
Q

what is monosodium glutamate and what are two types o it and what is it function in food.

A

monosodium glutamate is MSG that is added to enhance flavour of the savoury food. There are natural and artificial MSG but the ones in supermarkets are artificial

44
Q

what are health problems related to salt

A

high blood pressure, cardiovascular disease and kidney diseases and stroke

45
Q

what are the negative impacts of sugar and other sweeteners

A

sugar can cause obesity a risk factor to diabetes and heart diseases
aspartame cannot be consumed by people who have genetic disorders
saccharin in high amounts may cause cancer in food
large doses of stevia may cause genetic mutations

46
Q

what is the negative impact of sodium nitrite

A

may cause cancer

47
Q

what is the negative impact of monosodium glutamate

A

increases sodium intake thus causing headache, disiness and chest pain

48
Q

what type of food does not have nutritional labels in singapore

A

weighed or counted and measured in the presence of the buyer. or losely packed food at the retailer

49
Q

what are the 6 mandatory information that must be in the food and nutritional label

A

-product name
- ingredients listing
- net quantity
- declaration of ingredients that cause hypersensitivity in some consumers
- name and adress of the local manufacturer or importer of the product
- country of origin

50
Q

what other information is added in the food packaging

A

-nutritional claims
- nutritional information panel
- symbols and labels
-expiry date

51
Q

what are 6 benefits of understanding the food and nutrition labels

A
  • by knowing the ingredients consumers may pick products that dont contain things they are allergic to
  • the order of ingredients helps the consumers have a rough idea of the proportion of the ingredients in the food
  • expiry and best before dates allows the consumers to eat the food before it has gone bad
  • the net quantity allows the consumer to make use of it and the price to make decisions that bring value to money
  • the nutritional label will help them chose the healthier product
  • the name of producer or manufacterer allows the consumers to know who to contact in case they have feedback
52
Q

elaboration for product name

A

the product name will inform the consumer about the nature of the product

53
Q

elaboration for ingredients listing

A

the ingredients must from which ingredient is available the most to the ingredient that is available the least in the product

54
Q

elaboration for net quantity

A

in liquid food the quantity is expressed in litres or milli litres and in solid food it is expressed in grams or kilo gramms
( the net weight is the weight of the products only excluding the packaging weight)

55
Q

elaboration for declaration of ingredients that cause hypersensitivity

A

all ingredients that cause allergies in consumers commonly like fish, eggs and peanuts

56
Q

elaboration for country of origin

A

tells consumers what country the food is from

57
Q

why is sweeteners good to a certain extend

A

sweeteners have zero to no calories unlike sucrose that gives 4 Kcal energy

NFS (16 decks)

Brainscape helps you reach your goals faster, through stronger study habits.
© 2024 Bold Learning Solutions. Terms and Conditions