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Food additives data book - wordpres

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Nutritive Additives 646<br />

NAME: Sodium ascorbate<br />

CATEGORY: Nutritive additive<br />

FOOD USE: Cured meats/ Dietary supplements/ Dietetic foods/ Formulated liquid diets/ Infant formulae/<br />

Meal replacements/ Milk products<br />

SYNONYMS: L(+)-Ascorbic acid sodium salt/ Monosodium ascorbate/ Vitamin C sodium salt/ CAS 134-03-2/<br />

EINECS 205-126-1/ E301<br />

FORMULA: C6 H7 Na O6<br />

MOLECULAR MASS: 198.11<br />

ALTERNATIVE FORMS: Ascorbic acid/ Ascorbyl palmitate/ Calcium ascorbate/ Nicotinamide-ascorbic acid complex<br />

PROPERTIES: Not heat-stable at neutral pH<br />

APPEARANCE: White to slightly yellowish powder; various granulations available<br />

MELTING POINT (°C): Decomposes at 218<br />

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

in water: @ 25°C Readily soluble 62% @ 75°C 78%<br />

in ethanol solution: Very slightly soluble<br />

FUNCTION IN FOODS: Enrichment, fortification or restoration. Also used as antioxidant, curing agent and nitrosamine<br />

inhibitor in cured meats, preservative<br />

TECHNOLOGY OF USE IN FOODS: Optimum pH is between 5 and 7; usage level is 300–500 ppm<br />

ANTAGONISTS: Oxidation; light; minerals; heat-labile in neutral environments, but less so in highly acidic<br />

environments<br />

FOOD SAFETY ISSUES: Some adverse effects can occur with extremely high repeated doses in the 500 mg to 10 g range

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