Stem Cell Research and Regenerative Medicine

Supercritical Fluids In Analytical Chemistry Open Access Articles

The extraction and study of organic residues from ceramics are a topic of interest for the last 50 years in archeology and archeological science. Lipids are among the best-preserved organic substances in archeological contexts and may provide information about the diets of ancient populations also as past environments. Here, we present a way that demonstrates significantly improved extraction of lipids from archeological pots by replacing liquid organic solvents with supercritical fluids. Optimization of the procedure using response surface methodology (RSM) approach showed that, on our system, optimal conditions for supercritical extraction of lipids from synthetic fired clay ceramics might be achieved using CO2 with 16 vol you look after cosolvent EtOH–H2O (95:5 v/v) in 90 min at a flow of two .3 mL/min, for a pressure of 30 MPa and a temperature of fifty °C.  

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