Abstract
The extraction of bioactive molecules from plant matrices using conventional techniques such as maceration has been practiced for decades with satisfying results. However, the need to increase the profitability, along with increased interest in preserving the environment, has incited researchers and many industries to test and invest in emerging technologies. These technologies allow reducing extraction time, energy consumption, the use of toxic solvents, and increasing the extraction yields. In addition, emerging technologies allow preserving the most thermosensitive molecules from degradation, which is highly sought to keep the highest biological activities. This chapter describes the use of novel extraction technologies, such as pulsed electric fields, supercritical fluid extraction, negative pressure cavitation extraction, and microwave- and ultrasound-assisted extractions, to recover bioactive molecules from plant matrices. Some advantages and disadvantages of the abovementioned technologies are also discussed.
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