We here @Summit Research believe in a solid and sound extraction. As it is stated a extraction is one component altering the overall compound availability of another product. In essence the starting material is stripped and the components desired are collected.

SUBCRITICAL

With respect to botanical extractions, “SUBcritical CO2” has lower solvency power and thus tends to pull mostly lighter compounds and leaves behind majority of undesired plant material. “SUBcritical CO2” is also relatively cold and therefore very effective in extracting temperature-sensitive volatile oils and terpenes.  Is ideal for extracting and preserving light resin glands and oils from the plant material. 

 Subcritical (low temp, low pressure) CO2 extractions take more time and produce much smaller yields than supercritical, but they retain the essential oils, terpenes, and other sensitive chemicals within the plant.

SUPERcritical CO2

Can be a much stronger solvent than “SUBcritical CO2″. Allowing for higher yields and a more complete extraction. The stronger solvency power also makes the extraction times faster. Extractions can cause thermal degradation of the oils,

Can have the potentially negative consequence of extracting chlorophyll. High pressure and high temperature process damages most terpenes and heat sensitive chemicals, Can extract much larger molecule materials (like waxes, paraffins, lipids, resins) and chlorophyl.

Alcohol

Alcohol extractions are also considered a organic extraction. It is by nature one of the more caustic extraction avail because it will over extract, and saturate nearly all compounds immediately. Once such a dissolution occurs you can almost never fix it. The green, the brown, the tackiness when dried, and the difficult removal of inactive compounds becomes labor intensive.

A true alcohol extract is done in a reactor with monitored temps, and saturation times. Allowing the solvent to be drained from the material when extraction and saturation levels are reached. However biological, mechanical, and physical filtering/separation must be done to make this kosher for the user.

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