Nearly two pounds of still-green plant material found in a 2,700-year-old grave in the Gobi Desert has just been identified as the world’s oldest marijuana stash, according to a paper in the latest issue of the Journal of Experimental Botany.
A barrage of tests proves the marijuana possessed potent psychoactive properties and casts doubt on the theory that the ancients only grew the plant for hemp in order to make clothing, rope and other objects.
Lead author Ethan Russo told Discovery News that the marijuana “is quite similar” to what’s grown today. “We know from both the chemical analysis and genetics that it could produce THC (tetrahydrocannabinolic acid synthase, the main psychoactive chemical in the plant),” he explained, adding that no one could feel its effects today, due to decomposition over the millennia.
Russo served as a visiting professor at the Chinese Academy of Sciences Institute of Botany while conducting the study. He and his international team analyzed the cannabis, which was excavated at the Yanghai Tombs near Turpan, China. It was found lightly pounded in a wooden bowl in a leather basket near the head of a blue-eyed Caucasian man who died when he was about 45.
Although other cultures in the area used hemp to make various goods as early as 7,000 years ago, additional tomb finds indicate the Gushi fabricated their clothing from wool and made their rope out of reed fibers. The scientists are unsure if the marijuana was grown for more spiritual or medical purposes, but it’s evident that the blue-eyed man was buried with a lot of it.
The ancient marijuana stash is now housed at Turpan Museum in China. In the future, Russo hopes to conduct further research at the Yanghai site, which has 2,000 other tombs.
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