Although there are several ways to extract CBD from the Hemp plant, the two that are most common are Ethanol extraction and CO2 extraction. Both have advantages and disadvantages and both are capable of producing a first-rate product, but its important to know the difference.
When extracting CBD oil from Hemp using Ethanol extraction, the first thing you should do is heat the plant material to achieve something called Decarboxylation (That’s the removal of carbon atoms from the carbon chain.)
That then leaves you with a fine, green powder that is subsequently soaked in a solvent, which in this case is Ethanol. After a while, the solution is filtered, the liquid separates from the plant matter and eventually, the Ethanol evaporates.
One of the arguments in favour of Ethanol extraction is that it maintains the chemical ratios that occur naturally in Hemp plants. So, you get the terpenes and the flavonoids that support CBD and you get them in just the right amounts.
Ethanol extractions is also efficiently extract Chlorophyll, which is both a plus and a minus. Chlorophyll has many health benefits, but also has a bitter taste which isn’t for everyone.
CO2 Extraction is another way to extract CBD Oil from Hemp. A chamber containing the plants material is filled up with supercritical CO2, and the trichomes and terpenes dissolve into the carbon dioxide. This is one of the disadvantages of CO2 extraction.
Though producing an extremely pure CBD Oil and though theoretically ‘cleaner’ than Ethanol extraction (the key word being theoretically), CO2 extraction also removes important synergistic nutrients.
Both methods of extraction have their advantages and disadvantages, though these differences become less important when the source plant material is of exceptional quality and when extraction is done to according to best practice’s.
Bottom line is that if you trust the manufacture, the quality of the sauce material (Hemp) and the integrity of the company producing it either method of extraction will yield a consistent state and effective product.