Food additives data book - wordpres

Flavour Enhancers 488
NAME: Malic acid
CATEGORY: Flavour enhancer
FOOD USE: Beverages (dry mix)/ Candy (hard)/ Candy (soft)/ Chewing gum/ Fats (chicken)/ Fillings/ Fruit juices/
Fruits (processed)/ Gelatins/ Jams/ Jellies/ Lard/ Non-alcoholic beverages/ Puddings/ Shortening/
Soft drinks/ Wine/ Fruit-flavour-based mints/ Pharmaceuticals
SYNONYMS: CAS 6915-15-7/ CAS 97-67-6 (L)/ CAS 617-48-1 (DL)/ EINECS 202-601-5/ FEMA 2655/ E296/
Apple acid/ 1-Hydroxy-1,2-ethanedicarboxylic acid/ N-hydroxysuccinic acid/ Kyselina jablecna/
Hydroxybutanedioic acid/ Pomalus acid
FORMULA: COOH CH2 CH(OH) COOH
MOLECULAR MASS: 134.10
ALTERNATIVE FORMS: D(+) form/ L(-) form (apple acid)
PROPERTIES AND APPEARANCE: White or colourless crystals; strong acid taste. Exhibits isomeric forms (DL, L and D).
Very soluble in water and alcohol; slightly soluble in ether; practically insoluble in benzene (L form)
BOILING POINT IN °C AT VARIOUS 150 (DL)/ 140 (D or L) – decomposition
PRESSURES (INCLUDING 760 mm Hg):
MELTING RANGE IN °C: 131–132 (DL); 101 (D); 100 (L)
DENSITY AT 20°C (AND OTHER 1.595 (D or L); 1.601 (DL)
TEMPERATURES) IN g/L:
PURITY %: Not less than 99.0% and not more than 100.5% of C 4H6O5
SOLUBILITY % AT VARIOUS TEMPERATURE/pH COMBINATIONS:
in water: @ 20°C 55.8 @ 50°C 0.1 – pH 2.78; 1.0 – pH 2.39; 3.0 – pH 2.04; 5.0 – pH 1.92;
10.0 – pH 1.78; 20.0 – pH 1.61; 50.0 – pH 0.96 @ 100°C 68.9
in ethanol solution: @ 25°C 39.16