Journal
MOLECULES
Volume 26, Issue 14, Pages -Publisher
MDPI
DOI: 10.3390/molecules26144113
Keywords
cannabis; decarboxylation; cannabinoid; chromatography; cannabidiol
Funding
- Ministry of Science and ICT (MSIT, Korea) [2021-DD-UP-0379]
- National Research Foundation (NRF, Korea)
- CBF (Chuncheon Bioindustry Foundation, Korea)
- National Research Foundation of Korea [4299990714553] Funding Source: Korea Institute of Science & Technology Information (KISTI), National Science & Technology Information Service (NTIS)
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This study developed a high-performance liquid chromatography method for fast analysis of main cannabinoids in hemp inflorescence and successfully performed decarboxylation of the raw material. Using a solvent gradient system with water and methanol containing trifluoroacetic acid at a wavelength of 220 nm in UV spectrum yielded optimal results.
This study was carried out to develop a high-performance liquid chromatography method for short-time analysis of the main cannabinoids in the inflorescence of hemp (Cannabis sativa L.). We also performed decarboxylation of the raw material using our advanced analysis technique. In this study, the UV spectrum was considered to analyze each of the four common cannabinoids, solvents, and samples, where the uniform elution of acidic cannabinoids without peak tailing and acids was tested. Optimal results were obtained when readings were taken at a wavelength of 220 nm using water and methanol containing trifluoroacetic acid as mobile phases in a solvent gradient system. The established conditions were further validated by system suitability, linearity, precision, detection limit, and quantitation limit tests. The decarboxylation index (DT50) confirmed that Delta 9-THCA decarboxylated faster than CBDA, and both maintained a linear relationship with time and temperature. In addition, the loss of cannabidiol was better prevented during the decarboxylation process in the natural state than in the extracted state.
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