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Co2 extraction Method
dioxide extraction is a relatively new process used to extract the essence
of the plant. CO2
extraction is a process that uses
pressurized carbon dioxide to pull the desired phytochemicals (such as hemp) from
a plant. CO2 at certain
temperatures and pressures acts like a solvent, without the dangers of actually
being one. When a certain amount of pressure is applied to CO2 (carbon
dioxide) this gas turns into liquid. This liquid CO2 can be used
as a very inert, safe, “liquid solvent.”
extraction is already a
standard extraction method for the food, dry cleaning and herbal supplement
industries. It is a common food additive as well.
potent Co2 extracts are wonderful for cosmetics and pharmaceuticals. The
calendula extracts, for example, in a dosage of 2 grams extract to 1000 grams
ointment is effective for its anti-inflammatory and anti-microbial activity.
CO2 extracts have a minimum shelf life of one year. They should be kept under the same conditions as steam distilled essential oils, that is in a cool, dark place, in full glass containers.