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CBD extract - CO2 or alcohol

CBD – cannabidiol is usually produced by extraction from CBD-rich hemp plants. Extraction is a common separation process for getting valuable substance from any material. Solvent (usually liquid) is needed for any type of extraction.

Mostly used a solvent for extraction of CBD from hemp plants is some type of alcohol. However, there are also other solvents available. For example extraction by supercritical carbon dioxide - CO2.

Alcohol versus CO2

It is necessary to mention basic differences between these two solvents. Let's start with alcohol. Alcohol has an origin in an organic material since it is mostly produced by fermentation of plants. Contrary to CO2 which is a poisonous gas. 8-10% concentration of CO2 in the air causes nausea, unconsciousness and eventually death.

These are just most obvious facts. More important for extraction itself is that CO2 extracts just non-polar chemical bonds, where alcohol extracts both polar and non-polar chemical bonds.

Simply speaking, alcohol extracts more substances than CO2. And it applies to hemp plants as well. Alcohol is a solvent made from plants for plants.

CBD from alcohol extraction is better

As stated above (and in resources bellow), alcohol extraction provides more complex extracts. And this is important especially for hemp plants since they contain a very broad range of various substances which some of them are even unknown till today. Particularly substances soluble in water, various oils, polysaccharides, acids and so on.

Water soluble substances are very important since the human organism is made from 70% of water and it makes these substances easier to absorb. CO2 extraction thus misses many valuable compounds that are hidden in hemp.

CBD and its absorption

Another important thing about alcohol extraction is esterification of organic acids. Esterification happens when organic acids (for example CBDa and other acid forms of cannabinoids) react with alcohol. Produced esters are soluble in water and that makes extract easier to absorb into the human body.

In other words, CBD extracted by alcohol is more bioavailable and thus has greater medical potential.

Resources:

http://www.cbd-hemp-oil-drops.com/
http://www.cbd-hanfol.eu/
http://www.evolvedalchemy.com/co2-vs-alcohol-extractions/
https://en.wikipedia.org/wiki/Chemical_polarity
https://en.wikipedia.org/wiki/Carboxylic_acid

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Additional information

 

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Hemp products and legislation

All presented hemp products are 100% legal according to EU legislation. They are made from legal agricultural strains of hemp which contain the legal level of THC (less than 0,2%). Hemp seed is used for the production of oil, protein and also for direct consumption. Hemp herb is used for CBD extraction, tea, and ointments & cosmetics. All our products are NOT psychoactive. 

Cannadorra.com offers a complete range of hemp, CBD products & foods. All EU mostly organic production. 

CBD products Hemp Tea | Hemp Oil | Hemp Seeds | Hemp Protein | Other Hemp | Hemp Cosmetics | Hemp Ointments

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