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Food additives data book - wordpres

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SYNERGISTS: Divalent ion, pectins<br />

ANTAGONISTS: None known<br />

FOOD SAFETY ISSUES: Moderately toxic, LD50 (intraperitoneal, rat) 1,600mg/kg; ADI 0–50mg/kg. The powder is combustible<br />

and emits irritating fumes when heated<br />

LEGISLATION: Usage level: Limitation 1% (condiments); 6% (pimento for stuffed olives); 0.3% (confections); 4%<br />

(gelatins/puddings); 10% (hard candy); 2% (processed fruits); 1% (other foods)<br />

USA: UK and EUROPE: AUSTRALIA/PACIFIC RIM:<br />

FDA 21CFR § UK: approved; Europe: listed Japan: approved<br />

184.1011. GRAS<br />

REFERENCES: Ash, M., and Ash, I. (1996) <strong>Food</strong> Additives. Gower Publishing Co., Brookfield, VT.<br />

Clare, K. (1993) Algin. In: Whistler R. L. and J. N. BeMiller (Eds.), Industrial Gums:<br />

Polysaccharides and Derivatives. 3rd Edition, pp. 105–143.<br />

ANY OTHER RELEVANT INFORMATION: Alginates are natural polysaccharides which are extracted from brown seaweeds (Phaeophyceae).<br />

Macrocystis pyrifera, Laminera hyperborea, Laminaria digitata, Laminaria japonica, Ascophyllum<br />

nodosum, Ecklonia maxima and Lessonia nigrescens are the most important commercial sources of<br />

alginates. Structurally distinct bacterial alginates can be obtained from Pseudomonas species and<br />

Azotobacter species. Although algin, alginic acid, ammonium alginate, calcium alginate, potassium<br />

alginate and sodium alginate are essentially different states of the same type of compound, for<br />

legislative purposes they are listed separately<br />

Alginic acid 665

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