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Additives

QuestionAnswer
Nutritive value Vitamin D in margarine •Calcium in fortified millk •Iron in breakfast cereals • Enhance the nutritive value of foods • Replace nutrients lost in processing
PHYSICAL CONDITIONING AGENTS: Stabilisers (E400) Prevents emulsions from separating •Carageenan •Guar gum
PHYSICAL CONDITIONING AGENTS: humectant Prevent foods from drying out •Sorbitol •Mannitol
PHYSICAL CONDITIONING AGENTS: Emulsifier E400s Brings 2 immiscible liquids together •alginates •lecithin
PHYSICAL CONDITIONING AGENTS: Polyphosphates Prevents lumping in a dried food •Magnesium carbonate
Natural sweetners •Fructose •Glucose syrup •Table sugar
Artificial Sweeteners: Intense •Aspartame •Saccharin Low calories, very sweet,
Artificial Sweeteners: Bulk •Sorbitol •Mannitol High in calories, slow rise in blood pressure
Why are sweeteners used? •To improve taste of foods • To sweeten diabetic foods • To sweeten sugar free foods & drinks
Colourings E100s Natural *chlorophyll *carotene *caramel Artificial •Tartrazine (yellow) •sunset yellow •Green S
Why are colourings used? • To replace colour lost in processing e.g. green peas • To add colour to colourless food e.g. jellies • To improve colour e.g. fizzy drinks
Antioxidants E300s Natural *Vitamin A *Vitamin C (in juice) *Vitamin E (in vegetable oils) Artificial •BHA (in pot noodles) •BHT (in crackers)
Why are antioxidants used? • To prevent oxidative rancidity • To reduce food waste
Preservatives E200s Natural *Sugar (in jam) *Salt (in butter) *Vinegar (in chutney) Artificial *Sulfur dioxide (in sausages & dried fruit) *Sorbic acid (in yogurts) *Benzoic acid (in energy drinks)
Why are preservatives used? • To prevent growth of microorganisms, reduce food waste • To reduce risk of food poisoning
Advantages of additives? Advantages of additives • Colourings add colour • Flavourings add flavour • Preservatives make food last longer • Nutritive additives improve nutritional value
Disadvantages of additives? • Some people have allergic reactions • Can deceive consumers about colour or texture • Little known about cocktail/cumulative effect
Legal controls of additives? • Controlled by FSAI • EU tests additives to see if safe- given E number • Colourings are not permitted in fresh meat, fresh fruit & fresh veg • Artificial preservatives & artificial sweeteners are not allowed in commercial baby food
Created by: Caoimhek
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