File:Fig1 Jikomes SciReports2018 8.jpg
Figure 1. The THC:CBD ratio defines three broad chemotypes of commercial cannabis flower measured by testing labs in Washington. Left column: Scatterplots of total THC vs. total CBD levels for cannabis flower. Right column: Histograms showing the THC:CBD ratio on a log scale and indicating the proportion of flower samples for each chemotype. Data are displayed for measurements batched across all Labs A-F (panels a-b; n = 175,136), for the lab reporting the lowest mean total THC levels (Lab A; panels c-d; n = 62,719), and the lab reporting the highest mean total THC levels (Lab F; panels e-f; n=26,664). Histograms for each of the six labs contributing to batched data in panels a-b are shown in Figure S1. Panels a and c were subsampled to n=50,000 for visualization purposes.
Jikomes, N.; Zoorob, M. (2018). "The cannabinoid content of legal cannabis in Washington State varies systematically across testing facilities and popular consumer products". Scientific Reports 8: 4519. doi:10.1038/s41598-018-22755-2.
Jikomes, N.; Zoorob, M.
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