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Food additives data book - wordpres

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Antioxidants 116<br />

NAME: Ethylenediaminetetraacetic acid (EDTA)<br />

CATEGORY: Chelator/ Antioxidant<br />

FOOD USE: Margarine/ Mayonnaise/ Salad dressings/ Fish and fish products/ Beer/ Fruit drinks/ Vegetable juices/<br />

Condiments<br />

SYNONYMS: Eidetic acid/ N,N¢-1,2-ethanediylbis[N-(carboxymethyl)glycine]/ edathamil, ethylenediamine-N,N,N¢,N¢tetraacetic<br />

acid<br />

FORMULA: (HOOC CH2)2 NCH2 CH2N(CH2 COOH)2<br />

MOLECULAR MASS: 292.28<br />

ALTERNATIVE FORMS: Calcium disodium EDTA; sodium dihydrogen EDTA; disodium EDTA<br />

PROPERTIES AND APPEARANCE: Colourless crystals<br />

BOILING POINT IN °C AT VARIOUS 238<br />

PRESSURES (INCLUDING 760 mm Hg):<br />

MELTING RANGE IN °C: 36.4; decomposes at 245°C<br />

FLASH POINT IN °C: 160<br />

HEAVY METAL CONTENT MAXIMUM IN 20<br />

ppm:<br />

ARSENIC CONTENT MAXIMUM IN ppm: 3<br />

SOLUBILITY % AT VARIOUS TEMPERATURE/pH COMBINATIONS:<br />

in water: Freely soluble<br />

in ethanol solution: Insoluble<br />

FUNCTION IN FOODS: Chelation of transition metal ions such as copper and iron, thus preventing initiation of autoxidation of<br />

unsaturated lipids. EDTA salts improve the stability of foods

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