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The analysis in 2002 of representative samples taken from flowering and fruiting tops of cannabis material seized by law enforcement officials in Trinidad and Tobago showed that the mean content of Δ9 tetrahydrocannabinol (THC) was 5.26%, range 0.53 – 11.58% with a standard deviation of 2.98%. The mean THC content of the Cannabis samples seized in 2002 was significantly higher than the content found Cannabis representative samples seized and analyzed in Trinidad and Tobago in 1993 (mean content of Δ9 tetrahydrocannabinol (THC) was 0.079%, range 0.01 – 0.18% with a standard deviation of 0.04%) .The specialized glands present on the aerial structures of the plant responsible for the biosynthesis of the cannabinoids were observed in all the samples.
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A 2007 study studied this question.
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