Two of our current CO2 extraction projects are for the neutracuetical and fragrance industries. Trust me, the fragrance experiments smell much better! Although both used our go-to bench scale R&D system, the experimental programs were night and day. One of the experiments, we ran at high temperatures, 180C and high pressure, 15000psi; the second experimental program started off with high temps and high pressure, but as the testing matrix was expanded, we found, through sensory and visual testing that the preferred operating conditions was a liquid CO2, about 1200psi with the feedstock extraction vessel maintaining temperatures below 105F! CO2 extraction of natural feedstocks has so much variety and potential to extract differing compounds, oils, and value items...only tests will tell!