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. 2023 Jan 13;15(2):497. doi: 10.3390/cancers15020497

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© 2023 by the authors.

Licensee MDPI, Basel, Switzerland. This article is an open access article distributed under the terms and conditions of the Creative Commons Attribution (CC BY) license (https://creativecommons.org/licenses/by/4.0/).

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Heatmap clustering of the cannabinoid profile of 24 cannabis extracts. Matrix of the ESI-LC/MS composition. Phytocannabinoid analysis scores were scaled by column to range from 0 to 100. A low score (pale red) indicates that the %w/w ratio of the cannabinoid in the extract is meager compared to its percentage in the other extracts. A high score (darker red) indicates a high ratio in the extract compared to its percentage in the other extracts. The 24 extracts are segregated into six major clusters: THC-type (dominant THC over CBD content) decarboxylates/acid form, CBD-type (dominant CBD over THC content) decarboxylates/acid form, THC:CBD-type (equal THC and CBD content) decarboxylates/acid form.