Emerald Conference 2018
Exploring the Science of Cannabis

RAFA
Restek at Emerald 2018

RESTEK TECHNICAL POSTERS

Presented Thursday, February 15, 4:30-6:00 p.m.
P-08 The LC-UV Analysis of 16 Cannabinoids of Interest in Commercially Available CBD Oils
Justin Steimling (presenter) and Ashlee Reese
Restek Corporation
For more information, email Justin Steimling.
Read abstract

More than 100 cannabinoids have been isolated from cannabis in addition to the five most commonly tested: THC, THCA, CBD, CBDA, and CBN. While methods have been published that show the separation of these major cannabinoids, many do not take into account the possibility of interference from other cannabinoids that may be present. This is most problematic in concentrates because minor cannabinoids can be enriched to detectable levels that were not observed in the flower. Additionally, some terpenes have been shown to absorb UV light at 228 nm, the wavelength at which cannabinoids are typically detected, which can result in an additional source of interference. In this study, the LC-UV separation of 16 cannabinoids of interest was performed while monitoring for the potential impact from minor cannabinoids and terpenes on reported potency values. The method is applied to commercially available CBD oils that have recently become suspect due to inaccurate label claims.

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