MJBizMag July 2022 - 70

MJBizDaily Buyers Guide Extraction
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CHOOSING THE RIGHT EXTRACTION METHOD
As detailed in the 2021 Extraction Buyers Guide, there are four primary methods for extracting
cannabis compounds:
1. Carbon dioxide (CO2
) extraction
2. Hydrocarbon extraction
3. Ethanol extraction
4. Rosin extraction
Casey Flippo, CEO at Little Rock, Arkansas-based hemp extraction and CBD product manufacturer
Natvana, considers capital expenditures, operating expenses and return on investment when
choosing an extraction method, along with the product application and ease of use.
" If I were advising a marijuana company, I would push them toward both BHO (butane hash oil)
and solventless applications, " Flippo says. " Whereas if I were advising a CBD company, I would
exclusively work with ethanol. "
Still, there is no one-size fits all option when it comes to
picking an extraction method.
Karen Devereux, whose family owns and operates hemp
cultivation and CBD product manufacturing business
Northeast Kingdom Hemp in Barton, Vermont, says
CO2
extraction offers a pure extract for their craft-size
operation.
" We believe in CO2
extraction for clean, potent and
great-tasting CBD oils, " she says. " Our post-processing
techniques also add to the clarity and purity of our
finished products. "
" Invest in quality
glassware, and make
sure your ovens/freezers
are large enough to suit
your purposes. "
-Katie Stem, Peak Extracts
Devereux continues, " Unfortunately, I think too many hemp-focused operations are also focused on
mass production, which is why the market is flooded with products-not all of which are good. "
As for Stem, she prefers using CO2 or ethanol-based extraction methods at Peak Extracts, especially
when the finished product will be consumable, such as an edible, infused beverage or tincture.
" My own personal preference is for CO2
or ethanol, because of the environmental impact of
hydrocarbons, " Stem states. " Hydrocarbons are great solvents that produce fantastic extracts,
but I have moved away from them for a few reasons, chiefly: risk of explosion, waste products, the
potential for heavy metal contamination and onerous regulatory requirements.
" CO2
and ethanol are both safe for human consumption and can produce beautiful extracts for all
applications, " she adds.
HOW CBD EXTRACTION DIFFERS FROM HIGH-LEVEL THC
Extracting CBD from hemp is not a simple process.
" Often people don't understand how involved it actually is, " Devereux says of hemp extraction.
" They expect that we simply grow hemp and squeeze the oil out into a finished product. "
According to Stem, hemp processing can be broken down to three stages: pre-processing,
extraction and post-processing.
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MJBizMag July 2022

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