A naturally numerous triterpene, commonly isolated from the bark of birch woods, that can be transformed into betulinic acid.
a phrase initially put on a substance gotten as a resin or tar by removal through the exterior bark associated with the typical European white birch (Betula alba); now referring to the substance compound (C30H50O2) having a cyclopentanophenanthrene ring system, which is the primary constituent of this extract, and which may be acquired crystalline; -- called in addition birch camphor.
An alkaloid (C36H60O3) acquired through the bark regarding the white birch. It crystallizes in the shape of long needles, that are fusible and volatile.
A theory or system of social reform which contemplates a complete reconstruction of society with a more just and equitable distribution of property and labor In popular usage the term is often employed to indicate any lawless revolutionary social scheme See Communism Fourierism Saint Simonianism forms of socialism...