taste - Correct Answers -sensation that occurs when chemicals in foods simulate the
taste receptors in the mouth. Sweet, sour, bitter, salty and unami
smell - Correct Answers -steam rising off food carries volatile aromatic substances that
ables you to smell the food. more the food is heated stronger the aroma becomes. cold
foods can have aroma like fresh foods
appearance - Correct Answers -how the food looks, colours, shapes influence
acceptability of food
sound - Correct Answers -sound food makes, negative soft apple, positive crunch of
apple
flavour - Correct Answers -assessment of taste and aroma determining the acceptability
and quality of food
danger zone - Correct Answers -5-60 degrees C
envrionmental factors required for bacteria growth - ph - Correct Answers -slightly acidic
ir neutral ph 7
environmental factorsrequired for bacteria growth - temperature - Correct Answers -5-60
degrees C
, environmental factors required for bacteria growth - gas atmosphere - Correct Answers
-- araobe micro-organisms require oxygen
- anaraobe micro-organisms prefer oxygen free
- facultave micro-organisms can grow in either absence or presence of oxygen
environmental factors required for bacteria growth - moisture - Correct Answers -need
water to survive, a minimum water activity of 0.9Aw
workflow in the kitchen - Correct Answers -sequence of operations incurred in the
processing of materials
saves time, prevents cross contamination, preparation, cooking, service and clean
areas
why are spore producing micro-organisms dangerous - Correct Answers -they become
active when the are in good conditions like ph, temperature, gas atmosphere, moisture
freezer burn - Correct Answers -when frozen food has been damaged by dehydration
and oxidation due to air reaching food.
what does freezer burn do to meat - Correct Answers -appears greyish brown spots,
makes it dry out and alters textures
What is cross contamination? - Correct Answers -process by which bacteria or other
micro-organisms are unintentionally transfered from one substance to another with
harmful effect
Example of cross contamination - Correct Answers -- picking up food and not wacsing
your hands before you picked it up
- using the same chopping board for different types of foods
- using the same knife for different types of food
Characteristics of rancidity in chicken - Correct Answers -- change in colour, green
colour
- smell of chicken, off smell
- feel of chicken, slimy to feel
preparing food's so that it is served with optimal nutrient content - peeling - Correct
Answers -when preparing fruits and vegetables peel skin as thinly as you can, as most
nutrients are found near the skin
preparing food's so that it is served with optimal nutrient content - cooking - Correct
Answers -- use as little water as you can as some nutrients dissolve in water
- avoid over cooking food
- use larger cuts when boiling as it will help in avoiding loss of nutrients
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