SYNONYMS Enzymatically hydrolyzed carboxymethyl cellulose; CMC-ENZ; INS No. 469
DEFINITION The product is the sodium salt of a carboxymethyl ether of cellulose, which has been partially hydrolyzed by enzymatic treatment with food-grade Trichoderma reesei cellulase. The total content of mono- and disaccharides does not exceed about 7.5%.
Chemical names Carboxymethyl cellulose, sodium, partially enzymatically hydrolyzed
Chemical formula Sodium salts of polymers containing substituted anhydroglucose units with the general formula:
[C6H7O2(OH)x(OCH2COONa)y]n
where
n is the degree of polymerization
x = 1.50 to 2.80
y = 0.2 to 1.50
x + y = 3.0
(y = degree of substitution)
Formula weight 178.14, where y = 0.20 282.18, where y = 1.50
Macromolecules: Not less than 800 (n about 4)
Assay Not less than 99.5%, including mono- and disaccharides, on the dried basis
DESCRIPTION White or slightly yellowish or greyish, odourless, slightly hygroscopic granular or fibrous powder
FUNCTIONAL USES Carrier, glazing agent, stabilizer, thickener