Traces of cannabis had been identified in wood items which were discovered within an burial that is ancient in western China. The wood bowls are 2,500 yrs . old, in addition to stones that are small charred residues they included are regarded as the initial proof of individual cannabis usage.
Wood bowls as braziers for burning weed
Archaeologists and chemists through the University of Chinese Academy of Sciences and Chinese Academy of Social Sciences excavated 10 wood vessels from burial web sites at Jirzankal Cemetery in the Pamir Plateau in far-western Asia. Utilizing gasoline mass and chromatography spectrometry, they analyzed the examples of the residue through the blackened rocks together with charred portions regarding the bowls.