| Title:  Quillaja Saponin Literature References:  The saponin of quillay bark.  Isolation:  Kobert, Arch. Exp. Pathol. Pharmakol. 23, 233 (1887); Pachorukow, Arbeiten des Pharmakologischen Instituts zu Dorpat I, 5 (1888); Cofman-Nicoresti, Pharm. J. 111, 103 (1923), found the total saponin content of quillay bark to be ~9 or 10%.  The saponin is built from quillaic acid, a sugar and possibly other substances. Properties:  Amorphous, deliquescent powder which causes sneezing when dispersed in the air.  Freely sol in dil alc.  Foams easily when shaken with water, the foam being relatively stable.  |