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Food additives data book - wordpres

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Flavour Enhancers 512<br />

NAME: L-Tartaric acid<br />

CATEGORY: Flavour enhancer<br />

FOOD USE: Baking powder/ Effervescent beverages (grape and lime flavoured)/ Jellies (grape flavoured)/ Poultry/<br />

Wine/ Baked goods/ Gelatin desserts/ Pharmaceuticals (i.e. effervescent salts)<br />

SYNONYMS: CAS 000526830/ EINECS 201-766-0/ FEMA 3044/ E334/ 2,3-Dihydrosuccinic acid/ 2,3-<br />

Dihydroxybutanedioic acid/ L-(+)-tartaric acid/ L-2,3-Dihydroxybutanedioic acid/ D-a,b-<br />

Dihydroxysuccinic acid/ Weinsteinsaure (German)/ Dextrotartaric acid<br />

FORMULA: COOH·CHOH·CHOH·COOH<br />

MOLECULAR MASS: 150.10<br />

PROPERTIES AND APPEARANCE: Colourless to translucent crystals or white powder; odourless with a strong acid taste; stable to air and<br />

light. Soluble in water, alcohol, glycerin; insoluble in chloroform. Occurs in juice of grapes and few<br />

other fruits and plants (i.e. leaves of Bauhinia reticulata). Residues of wine industry, not as widely<br />

distributed as citric or malic acid<br />

MELTING RANGE IN °C: 168–170<br />

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

in water: @ 20°C 139 g/100 ml @ 50°C 195 g/100 ml @ 100°C 343 g/100 ml<br />

in ethanol solution: 100% @ 18°C 20.4g/100g<br />

FUNCTION IN FOODS: Direct food additive; acidulant; firming agent; flavour enhancer; flavouring agent; humectant; pH<br />

control agent; sequestrant; dough conditioner; to correct acid deficiency in wine making during poor<br />

harvest years<br />

ALTERNATIVES: Malic acid (as acidulant in carbonated beverages); citric acid; phosphoric acid; fumaric acid; succinic<br />

acid; tannic acid; lactic acid

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