sUPERCRITICAL CARBON DIOXIDE (SC-CO2) EXTRACTION were conducted in a 2-step process. The 1st step used a pilot plant extractor utilizing recycled CO2 previously described (Friedrich and other 1988 ). Dried sage leaves (spice Classic,Cockeysville, Md., U.S.A) (CA. 616 g.) were ground to a powder and placed in the 4-L stainless steel extraction cell