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Food Technology Types of food additive Exam Questions and Answers
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Food Technology Types of food additive Exam Questions and Answers
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Food Technology: Types of food additiveExam Questions and Answers
Types of food additive - Correct Answers -Food additives can be classified as natural or
artificial.
Natural additives include salt, sugar spices and natural food colouring.
Artificial additives are made from a range of chemicals that have been specifically
designed by food scientists.
Functions of food additives - Correct Answers -• Improve sensory qualities of food, e.g.
flavour, appearance colour and smell.
• Improve structure, e.g. texture, consistency.
• Add nutritional value.
• Increase the time food is safe to eat.
Letter E on ingredients - Correct Answers -All food additives once tested and found to
be safe are given a number and the prefix E: these are known as E numbers. These
foods can be sold in the European Union. Highly processed foods contain high amounts
of E numbers.
Advantages and disadvantages of E numbers - Correct Answers -• E numbers are
relatively cheap to use.
• Used widely in processed foods.
• Allow a larger amount of different food products available to the consumer.
• E numbers have been said to increase the amounts of childhood hyperactivity,
asthma, eczema and food allergies.
• Food colouring most often linked to child hood illnesses.
Uses and effects of additives - Correct Answers -All additives need to be harmless to
the consumer but they also need to be flavourless, colourless and odourless so they
don't alter the natural characteristics of food, unless the manufacturer requires them to
do so.
Additives are used to: - Correct Answers -• Preserve: a substance that extends shelf life
of a food.
• Emulsifier: a substance that stops oil and water from separating.
• Anti-oxidant: a substance that stops fat in food from going off/ rancid.
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