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Additives in Foods

Additives in Foods . Food additives are not major ingredients in food, but only as additional ingredients Food additives usage aims to enhance food quality in terms of appearance, durability, and nutrition in food. Some additives are also added for economics purposes.

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Additives in Foods

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  1. Additives in Foods

  2. Food additives are not major ingredients in food, but only as additional ingredients • Food additives usage aims to enhance food quality in terms of appearance, durability, and nutrition in food. • Some additives are also added for economics purposes

  3. Additives based on their function are grouped into several types such as : • Sweeteners • Colourings • Flavourings • preservatives

  4. Sweeteners Sweeteners used in foods are classified into two kinds: • Artificial Sweeteners • Natural Sweeteners

  5. Artificial Sweeteners • Artificial Sweeteners are additives that are made from chemical synthesis with help of modern technology

  6. Examples of Artificial Sweeteners • Saccharin Its sweetenes level is 300 times sweeter than sugar • Aspartame Its sweetenes level is 200 times sweeter than sugar • Acesulfame-K Its sweetenes level is 200 times sweeter than sugar • Sorbitol Commonly used for bread and jam

  7. Natural Sweeteners • Natural Sweeteners are derived from natural ingredients • These types of sweeteners include glucose, fructose, and sucrose • Example of Natural Sweeteners : • Sugar ( Sugar cane) • Palm sugar • honey

  8. Colourings Artificial colourings: • From the chemical reactions produced by the factory • Examples of food colourings are: Alchanat, carmoisine (red) Caramel (brown) Violet GB (purple) Annato, sunset yellow (yellow) Leaf green (green ) • Example of artificial colourings in textile industry: Methanyl yellow (yellow), rhodamine D (red)

  9. Natural colourings • Natural colourings are dyes extracted from natural materials • Example of natural colourings : • Carotenoid: its presents in fruits such as tomatoes, carrots, and oranges which are the resource of red or yellow colour • Anthocyanin : is a source of orange, red, and blue colour. Its presents in flowers, and fruits such as in grapes and strawberries • Curcumin: the source of yellow colour. Is found in turmeric (kunyit)

  10. Flavourings • Artificial flavourings: • Most artificial flavourings products in the market use chemicals called monosodium glutamat (MSG) • Natural flavourings: • These natural ingredients include onion,garlic, ginger (jahe), pepper (lada)

  11. Preservatives • Artificial preservatives : • That are produced from the chemical synthesis • Example : acetic acid (cuka), benzoate, sodium nitrite, sorbite, propionate, sulfite, vitamin C • Natural Preservatives : • That are obtained directly from nature or through the extraction of natural materials • Example : table salt, sugar

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