QUILLAIA EXTRACT (TYPE 2)
Revised specifications prepared at the 65th JECFA and published in FNP 52 Add 13 (2005), superseding specification prepared at the 61st JECFA (2003) and published in FNP 52 Add 11 (2003). A group ADI of 0-1 mg quillaia saponins /kg bw for Quillaia ExtractsTypes 1 & 2 was established at 65th JECFA (2005)
SYNONYMS Quillaja extract, Soapbark extract, Quillay bark extract, Bois de Panama, Panama bark extract, Quillai extract; INS No. 999(ii)
DEFINITION Quillaia extract (Type 2) is obtained either by chromatographic separation or ultrafiltration of the aqueous extraction of the milled inner bark or of the wood of pruned stems and branches of Quillaja saponaria Molina (family Rosaceae). It contains triterpenoid saponins (quillaia saponins, QS) consisting predominantly of glycosides of quillaic acid. Polyphenols and tannins are minor components. Some sugars and calcium oxalate will also be present. Quillaia extract (Type 2) is available commercially as a liquid product or as a spray-dried powder that may contain carriers such as lactose, maltitol or maltodextrin. The liquid product is usually preserved with sodium benzoate or ethanol.
C.A.S. number 68990-67-0
Formula weight Monomeric saponins range from ca. 1800 to ca. 2300, consistent with a triterpene with 8-10 monosaccharide residues
Assay Saponin content: not less than 65 % and not more than 90 % on the dried basis
DESCRIPTION Light red-brownish liquid or powder
