Guaiacum

Guaiacum, Guajacum officinale L., family Zygophyllaceae, an evergreen tree. Native to the Antilles and Bahamas, Venezuela and Colombia. The wood (lignum G.) and resin (resina G.) are used. The wood is dark-colored, very hard and heavy. The active principle is the resin, consisting of saponin, acids (guaiac, guaiconic, guaiaconic) and a yellow-colored pigment. Used in syphilis, rheumatism and gout. Preparations: Guajacum officinale L. Two ^^eЯ?°*- J^¹ ^^' twigs and longitudinal sections (0.0-10.0 : 100.0, sections of the fruit) (_po tablespoonful at a time) and Tinct. lign. Guajaci (15-20 drops). It is part of the collection or tea from wood - Species lignorum, used only in folk medicine. Resina Guajaci in an alcoholic solution (yellow or brown color) in the presence of active oxygen turns blue; used in laboratories as a reagent.

Resina Guajaci in an alcoholic solution (yellow or brown color) in the presence of active oxygen turns blue; used in laboratories as a reagent.