Skip to main content
. Author manuscript; available in PMC: 2014 May 5.
Published in final edited form as: Toxicol Lett. 2012 Sep 8;214(3):314–319. doi: 10.1016/j.toxlet.2012.08.029

Fig. 1.

Fig. 1

Chemical structures of CBDA and CBD. In the fiber-type cannabis plant, the concentration of CBD is much lower than that of its precursor CBDA. CBD is formed artificially from CBDA by non-enzymatic decarboxylation during extraction step (Yamauchi et al., 1967).