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Cannabidiol (CBD) is a compound that comes from the cannabis plant. It is extracted from the plant’s flowers or leaves¹⁴. There are several different methods of extraction¹⁴:
1. **CO2 Extraction**: This is the most popular method and involves using pressurized carbon dioxide to pull CBD and other beneficial compounds out of hemp³.
2. **Ethanol Extraction**: This method involves soaking the hemp biomass in alcohol to separate the CBD and other beneficial compounds. The ethanol is then evaporated, leaving behind a crude extract³.
3. **Solvent Extraction**: This involves using a liquid solvent—most commonly ethanol, butane, or hexane—to separate CBD from the plant matter. The solvent dissolves the plant’s waxy material, capturing the cannabinoids and terpenes in the process. The liquid solvent is then evaporated, leaving behind a concentrated cannabinoid solution⁵.
It’s important to note that while CBD is legal under federal law in the United States if it’s derived from hemp and contains less than 0.3% THC, CBD products containing more than 0.3% THC still fall under the legal definition of marijuana, making them federally illegal but legal under some state laws¹. Always check state laws, especially when traveling¹.
Source: Conversation with Bing, 3/17/2024
(1) CBD extract: What it is, uses, benefits, and more – Medical News Today. https://www.medicalnewstoday.com/articles/cbd-extract.
(2) CBD (cannabidiol): The Ultimate Guide | Weedmaps. https://weedmaps.com/learn/dictionary/cbd.
(3) CBD Extraction Methods: CO2, Ethanol, and More Explained – CBDThinker. https://cbdthinker.com/cbd-extraction-methods/.
(4) How CBD is Extracted – MyCannabis.com. https://www.mycannabis.com/how-cbd-is-extracted/.
(5) CBD: Safe and effective? – Mayo Clinic. https://www.mayoclinic.org/healthy-lifestyle/consumer-health/expert-answers/is-cbd-safe-and-effective/faq-20446700.
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