Sussing That “Skunky” Smell


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At the same time, SCD allows us to detect compounds that contain sulfur very easily. Indeed, as we analyzed many datasets, we found that the compounds present in the SCD data and then identified with TOF-MS were the exact ones that contribute the skunky, gassy notes in cannabis. We had our suspected structures synthesized and collected data using our 2DGC-TOFMS, and the similar elution times and mass spectral data confirmed we were correct for each one. I think this data is important not only for cultivation but also for odor control. We’re now working out the structures of other VSCs we detected but did not identify; we will hopefully be publishing a follow-up paper to report these details sometime in 2022.


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