Issue 5-Additives in Food

download Issue 5-Additives in Food

of 19

Transcript of Issue 5-Additives in Food

  • 8/14/2019 Issue 5-Additives in Food

    1/19

  • 8/14/2019 Issue 5-Additives in Food

    2/19

    A substance added to foods during

    processing to improve colour, texture,flavour, or keeping qualities.

    For examples are antioxidants, emulsifiers,thickeners, preservatives, and colourants.

  • 8/14/2019 Issue 5-Additives in Food

    3/19

    Food additives may be natural or

    artificial.

    Common natural additives include

    sugar, salt, corn syrup, baking soda, andpepper.

    Many modern additives, such asvitamins and some flavours are made ina laboratory (artificial).

  • 8/14/2019 Issue 5-Additives in Food

    4/19

    To maintain or improve nutritional quality;

    To maintain product quality andfreshness;

    To aid in the processing or preparation of

    food;

    To make food more appealing.

  • 8/14/2019 Issue 5-Additives in Food

    5/19

    Lecithin is found from yolks egg can act as

    the emulsifier that keeps cocoa and cocoa

    butter in a candy bar from separating.

    Pectin from plants can be used as a gellingagent, thickening agent and stabilizer in

    food.

    Caramel as natural food colouring. Vitamins A, E and D as antioxidants.

    Jelly from seaweeds as food stabilizer

  • 8/14/2019 Issue 5-Additives in Food

    6/19

  • 8/14/2019 Issue 5-Additives in Food

    7/19

    Antioxidants

    slows down theoxidation of fat in

    food.

    Prevents oily or

    fatty foodbecoming rancid.

    Examples:

    ascorbic acid(vitamin C), Citric

    acid

  • 8/14/2019 Issue 5-Additives in Food

    8/19

    Food colouring

    Colourings are added tofood to replace colourslost during preparation,

    or to make food lookmore attractive.

    Examples:

    Metanil yellow, Caramel,

    Azo compounds,Triphenyl compounds

  • 8/14/2019 Issue 5-Additives in Food

    9/19

    Flavouringagents

    adds taste or fragrant

    smells to make food

    more edible.

    Examples

    monosodium glutamate,

    Aspartame (sweetener)

  • 8/14/2019 Issue 5-Additives in Food

    10/19

    PreservativesPreservatives prevent or

    inhibit spoilage of fooddue to fungi, bacteria

    and othermicroorganisms.

    Examples:

    Benzoic acid, Sodiumbenzoate, Tartrazine,sulphur dioxide, Sodiumnitrite

  • 8/14/2019 Issue 5-Additives in Food

    11/19

    Thickening

    agents

    Thickens liquid such

    as soup and sauce

    Examples:

    Gelatin (agar),Starch

  • 8/14/2019 Issue 5-Additives in Food

    12/19

  • 8/14/2019 Issue 5-Additives in Food

    13/19

    Tiredness

    Itchy skin

    Disturbance in the digestive system Food poisoning

    Cancer

  • 8/14/2019 Issue 5-Additives in Food

    14/19

    Cancer

    Asthma

    Food poisoning Stunted development of childs mind

    Hyperactive children

    Skin diseases

  • 8/14/2019 Issue 5-Additives in Food

    15/19

    Chest pains

    Shortness of breath

    Headaches Brain damage in babies and children

    Increases the heartbeat rate

  • 8/14/2019 Issue 5-Additives in Food

    16/19

    Damage to the liver, brain and kidneys.

    Hair loss

  • 8/14/2019 Issue 5-Additives in Food

    17/19

    Chemical Type of food additive Effect on healthDimethyl sulphate Flavouring Paralysis

    ComaDeathSerious withering ofskin

    Amyl acetate Flavoring Depression of thenervous system

    Chest painsHeadachesTiredness

    Calcium disodiumEDTA

    Preservative GastritisKidney damageBlood found in urine(Hematuria)Muscle stiffness

    Carrageenan Stabiliser andemulsifier

    Tumour

  • 8/14/2019 Issue 5-Additives in Food

    18/19

    Food additives Maximum quantity that is allowedper kilogram of food

    Benzoic acid (preservative) 350 mg

    Ascorbic acid (antioxidant) 2000 mg

    Sulphur dioxide (preservation) 20 mg

  • 8/14/2019 Issue 5-Additives in Food

    19/19

    Food Additive and Ingredient Association. Understanding Food

    Additives. Retrieved on August 2, 2010 fromhttp://www.understandingfoodadditives.org/

    Janet Starr Hull. Food Additives to Avoid. Retrieved on August 5,2010 from http://www.sweetpoison.com/food-additives-to-avoid.html

    Karl Loren. Chemical Food Additives From Designed Nutritional

    Products-- The New Source Of Hidden Aldimine Drugging?Retrieved on August 3, 2010 fromhttp://www.chelationtherapyonline.com/articles/p235.htm

    Larry & Belle Jacobson , Chemical Cuisine Learn about FoodAdditives. Retrieved on August 5, 2010 fromhttp://www.cspinet.org/reports/chemcuisine.htm

    Nac. Food Additive. What you always wanted to know about foodadditives but had no one to ask. Retrieved on August 4, 2010 fromhttp://nac.allergyforum.com/additives/

    New Zealand Food Safety Authority. Identifying food additives.Retrieved on August 5, 2010 fromhttp://www.nzfsa.govt.nz/consumers/chemicals-nutrients-additives-

    and-toxins/additives-booklet/index.htm.

    http://www.understandingfoodadditives.org/http://www.sweetpoison.com/food-additives-to-avoid.htmlhttp://www.sweetpoison.com/food-additives-to-avoid.htmlhttp://www.chelationtherapyonline.com/articles/p235.htmhttp://www.cspinet.org/reports/chemcuisine.htmhttp://nac.allergyforum.com/additives/http://www.nzfsa.govt.nz/consumers/chemicals-nutrients-additives-and-toxins/additives-booklet/index.htmhttp://www.nzfsa.govt.nz/consumers/chemicals-nutrients-additives-and-toxins/additives-booklet/index.htmhttp://www.nzfsa.govt.nz/consumers/chemicals-nutrients-additives-and-toxins/additives-booklet/index.htmhttp://www.nzfsa.govt.nz/consumers/chemicals-nutrients-additives-and-toxins/additives-booklet/index.htmhttp://www.nzfsa.govt.nz/consumers/chemicals-nutrients-additives-and-toxins/additives-booklet/index.htmhttp://www.nzfsa.govt.nz/consumers/chemicals-nutrients-additives-and-toxins/additives-booklet/index.htmhttp://www.nzfsa.govt.nz/consumers/chemicals-nutrients-additives-and-toxins/additives-booklet/index.htmhttp://www.nzfsa.govt.nz/consumers/chemicals-nutrients-additives-and-toxins/additives-booklet/index.htmhttp://www.nzfsa.govt.nz/consumers/chemicals-nutrients-additives-and-toxins/additives-booklet/index.htmhttp://www.nzfsa.govt.nz/consumers/chemicals-nutrients-additives-and-toxins/additives-booklet/index.htmhttp://www.nzfsa.govt.nz/consumers/chemicals-nutrients-additives-and-toxins/additives-booklet/index.htmhttp://www.nzfsa.govt.nz/consumers/chemicals-nutrients-additives-and-toxins/additives-booklet/index.htmhttp://www.nzfsa.govt.nz/consumers/chemicals-nutrients-additives-and-toxins/additives-booklet/index.htmhttp://nac.allergyforum.com/additives/http://www.cspinet.org/reports/chemcuisine.htmhttp://www.chelationtherapyonline.com/articles/p235.htmhttp://www.sweetpoison.com/food-additives-to-avoid.htmlhttp://www.sweetpoison.com/food-additives-to-avoid.htmlhttp://www.sweetpoison.com/food-additives-to-avoid.htmlhttp://www.sweetpoison.com/food-additives-to-avoid.htmlhttp://www.sweetpoison.com/food-additives-to-avoid.htmlhttp://www.sweetpoison.com/food-additives-to-avoid.htmlhttp://www.sweetpoison.com/food-additives-to-avoid.htmlhttp://www.understandingfoodadditives.org/