Microextraction of essential oils: A review

Liquid phase microextraction (LPME) and solid phase microextraction (SPME) are popular extraction techniques for sample preparation due to their green and highly efficient single-step extraction efficiency. With the increasing attention to essential oils, their evaluation and analysis are significant in analytical sciences. In this review, starting from a brief description of the recent advances in the last decade, the attention has been focused on the up-to-date research works and applications based on liquid and solid phase microextraction for essential oil analyses. Particular attention has been given to the approaches using ionic liquids, eutectic solvents, gas flow assisted, and novel composite materials. In the end, the technological convergence of novel microextraction of essential oils in the future has been prospected.

Automated summary

This review focuses on the recent advances and applications of liquid phase microextraction (LPME) and solid phase microextraction (SPME) in essential oil analyses. The use of ionic liquids, eutectic solvents, gas flow assisted, and novel composite materials are particularly highlighted. The future technological convergence of novel microextraction techniques for essential oils is also prospected.