Using soxhlet

This picture tell how the soxhlet works. Ethanol (solvent)is vaporisided in small glass pipe on right then it enter to coolant and drops down to sample chamber. Ethanol extracts capsaicin from chili powder or fresh chilies. It also extracted some color pigment :) that why its so green. To learn more see http://www.anl.gov/OPA/logos16-2/extractor2.htm