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AL Chemistry Project No. 9 The Use of EDTA in Food Industry and Chelation Therapy Group members: Leung Hoi Yan 7S (18) Ling Wing Yee 7S (21) EDTA Ethylenediaminetetraacetic acid Chelating agent Mostly synthesized from 1,2-diaminoethane, formaldehyde, water and sodium cyanide

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al chemistry project no 9
AL Chemistry Project No. 9

The Use of EDTA

in

Food Industry and Chelation Therapy

Group members:

Leung Hoi Yan 7S (18)

Ling Wing Yee 7S (21)

slide2
EDTA
  • Ethylenediaminetetraacetic acid
  • Chelating agent
  • Mostly synthesized from

1,2-diaminoethane, formaldehyde,

water and sodium cyanide

uses of edta
Uses of EDTA
  • Industrial cleaning
  • Detergents
  • Photography
  • Pulp and paper industry
  • Textile industry
  • Agrochemicals
  • Hydroponics
  • Food industry
  • Personal care
  • Oil production
  • Dairy and beverage industry
  • Flue gas cleaning
  • Chelation therapy
food industry
Food Industry
  • Added as preservative
    • Approved to use in packaged foods, vitamins, and baby food
    • To prevent catalytic oxidation by metal ions or stabilizer and for iron fortification
    • Deactivates enzymes by removing the metal ions from them and forming stable chelates with them
food industry5
Food Industry
  • Soft drinks
    • Contain ascorbic acid and sodium benzoate
    • To alleviate formation of benzene (a carcinogen)
chelating agent
Chelating Agent
  • A substance whose molecules can form several bonds to a single metal ion
  • The most common and most widely used chelating agents are those that coordinate to metal ions through oxygen or nitrogen donor atoms, or through both

Metal-EDTA chelate

chelation therapy
Chelation Therapy
  • Chelation involves the two nitrogen atoms and two oxygen atoms in separate carboxyl (-COO¯) groups
  • Administration of chelating agents to remove heavy metals from the body
  • For treating acute heavy metal poisoning
chelation therapy8
Chelation Therapy
  • Convert toxic metal agents to a chemically inert form that can be excreted without further interaction with the body
  • Administered intravenously, intramuscularly or orally
  • Combined with chromium to evaluate kidney function
  • Used as anticoagulant for blood samples