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Food additives data book - wordpres

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Nutritive Additives 656<br />

NAME: Zinc sulphate monohydrate<br />

CATEGORY: Nutritive additive<br />

FOOD USE: Beverages/ Breakfast cereals/ Dietary supplements/ Dietetic foods/ Egg products/ Formulated liquid<br />

diets/ Infant formulae/ Meal replacements/ Peanut spreads<br />

SYNONYMS: Dried zinc sulfate/ Sulphuric acid zinc salt (1 :1)/ White copperas/ White vitriol/ Zinc vitriol/ CAS<br />

7446-20-0/ EINECS 231-793-3<br />

FORMULA: ZnSO4·H2O<br />

MOLECULAR MASS: 161.44 anhydrous<br />

ALTERNATIVE FORMS: Zinc sulphate heptahydrate (cakes readily)<br />

PROPERTIES: Astringent taste. Good bioavailability, but may be altered in presence of other food components<br />

APPEARANCE: White, effervescent powder or granules<br />

MELTING POINT (°C): 740, decomposes<br />

DENSITY AT 15°C: 3.74<br />

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

in water: Very soluble<br />

in ethanol solution: Practically insoluble<br />

FUNCTION IN FOODS: Enrichment, fortification or restoration<br />

ALTERNATIVES: Zinc oxide<br />

ANTAGONISTS: Phytates and dietary fibre present in plant foods have an adverse effect on zinc absorption<br />

FOOD SAFETY ISSUES: Toxicology: LD50 (oral, rat) = 2949 mg/kg

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