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CBD Extraction Methods

CBD Extraction Methods

Published by Chris Dworkin on Apr 29, 2020

The process by which we extract from hemp plants matters more than you probably realize. There are many ways that this has been done over the years and like with everything in this day and age, as technology evolves, we need to be adapting with it. Older methods for extraction have a huge impact on the quality of the hemp extract / CBD oil that you are consuming.

Why Do CBD Extraction methods matter?

Supercritical CO₂ extraction has been around since the 80s and 90s, where it first surfaced as an alternative to other methods of extraction on the market. Since then, the process has become widely used in many industries, from coffee decaffeination to essential oil extraction for perfumes to a more environmentally friendly solvent for dry cleaning. Within the cannabis realm, CO₂ extraction might still be a fairly new player – but the practice has quickly become one of the leading technologies for creating ingestible, high quality, and safe CBD oils.

Also known as supercritical fluid extraction, the process separates components from each other using a specific type of solvent. These solvents are called “supercritical” because when exposed to high pressures and temperatures, they are able to move between the different states of matter (solid, liquid, and gas). In this state, supercritical fluids are able to break down structures for the purposes of extraction or separation.

Benefits of Supercritical Co2 hemp Extraction

Carbon dioxide, or CO₂, is most often used in CBD extraction because its critical point can be reached at approximately 90 °F – a low enough temperature so that terpenes and other cannabinoids aren’t degraded. CO₂ is also a naturally occurring compound (one that is even produced by our own bodies!) and is among the safest for industrial extractions compared to petroleum-based solvents such as butane or propane. Finally, the solubility of CO₂ changes according to its pressure, meaning it is especially well-suited to pull out the various terpenes and cannabinoids within cannabis.

At Kigh, our CBD uses only supercritical CO₂ extraction because it’s the best choice on the market for producing full spectrum CBD extracts that preserve the high concentrations of terpenes and other cannabinoids. Plus, the process results in a versatile product that can easily be blended with medium-chain triglyceride (MCT) oil, which we use to produce our CBD oil tinctures. We chose MCT oil, a naturally occurring substance in coconut oil, because it is easily broken down by the body. This way, you receive the maximum effect of our CBD oils as quickly and efficiently as possible.