ANNEX IISupplementary provisions
ANNEX II In the Annex to Regulation (EU) No 231/2012, the following entry is inserted after the specifications for food additive E 422: ‘ E 423 OCTENYL SUCCINIC ACID MODIFIED GUM ARABIC Synonyms Gum arabic hydrogen octenylbutandioate; Gum arabic hydrogen octenylsuccinate; OSA modified gum arabic; OSA modified gum acacia Definition Octenyl succinic acid modified gum arabic is produced by esterifying gum arabic ( Acacia seyal ), or gum arabic ( Acacia senegal ) in aqueous solution with not more than 3 % of octenyl succinic acid anhydride. It is subsequently spray dried. Einecs Chemical name Chemical formula Weight Average Molecular Weight Fraction (i): 3,105 g/mol Fraction (ii) 1,106 g/mol Assay Description Off-white to light tan, free flowing powder Identification Viscosity of a 5 % solution at 25 °C Not more than 30 mPa.s. Precipitation reaction Forms flocculent precipitate in lead sub-acetate solution (TS) Solubility Freely soluble in water; insoluble in ethanol pH for a 5 % aqueous solution 3,5 to 6,5 Purity Loss on drying Not more than 15 % (105 °C, 5 h) Degree of esterification Not more than 0,6 % Total ash Not more than 10 % (530 °C) Acid-insoluble ash Not more than 0,5 % Water insoluble matter Not more than 1,0 % Test for starch or dextrine Boil a 1 in 50 aqueous solution of the sample, add about 0,1 ml iodine TS. No bluish or reddish colour should be produced. Test for tannin-bearing gums To 10 ml of a 1 in 50 aqueous solution of the sample add about 0,1 ml ferric chloride TS. No blackish coloration or blackish precipitate should be formed. Residual octenyl succinic acid Not more than 0,3 % Lead Not more than 2 mg/kg Microbiological criteria Salmonella sp. Absent in 25 g Escherichia coli Absent in 1 g’