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Food additives data book - wordpres

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Nutritive Additives 606<br />

NAME: L-Ascorbic acid<br />

CATEGORY: Nutritive additive<br />

FOOD USE: Bakery products/ Beer/ Canned fruits and vegetables/ Cereal products/ Cocoa confectionery and drink<br />

powders/ Dairy products/ Dietary supplements/ Flour and bread/ Fruit juices and drinks/ Infant<br />

formulae/ Meal replacements/ Milk modifiers/ Evaporated milk/ Potato products/ Sausages and other<br />

comminuted meats/ Skim milk/ Soft drinks/ Sugar confectionery/ Vegetable juices and wine<br />

SYNONYMS: Ascorbate/ L-ascorbic acid/ Cevitamic acid/ Vitamin C/ CAS 50-81-7/ EINECS 200-066-2/<br />

FEMA 2109/ E300<br />

FORMULA: C6 H8 O6<br />

MOLECULAR MASS: 176.13<br />

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

Sodium ascorbate<br />

PROPERTIES: Pleasant, sharp acidic taste. Various granulations available; fat-coated and ethyl cellulose-coated forms<br />

available. Stable to air when dry; not heat-stable at neutral pH<br />

APPEARANCE: White to slightly yellow crystalline powder<br />

MELTING RANGE IN °C: 190–192<br />

IONISATION CONSTANT AT 25°C: pK1 = 4.17<br />

pK2 = 11.57<br />

DENSITY AT 20°C (AND OTHER 1.65<br />

TEMPERATURES) IN g/l:

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