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Related Experiment Video

Updated: Jul 16, 2026

Transient Expression in Nicotiana Benthamiana Leaves for Triterpene Production at a Preparative Scale

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Membrane Separation Techniques for Plant Essential Oils: Theory, Performance Comparison, and Application-An Updated

Yiheng Xiao^1,2, Yahan Fu¹, Yifan Bu²

¹Department of Chemistry, College of Science, Beijing Forestry University, Beijing 100083, China.

Foods (Basel, Switzerland)

|July 15, 2026

Summary

Membrane separation technology offers a green and efficient method for extracting plant essential oils, preserving their quality and aroma. This review highlights membrane processes as superior alternatives to traditional methods, focusing on advancements and industrial applications.

Keywords:

essential oil extraction membrane purification membrane separation technology plant essential oil

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Published on: August 23, 2024

Area of Science:

Green Chemistry
Separation Science
Food Science

Background:

Plant essential oils are valuable for their preservative, flavoring, and nutritional properties.
Challenges in essential oil extraction include low abundance, complex composition, and thermal sensitivity.
Membrane separation technology presents a sustainable solution for essential oil processing.

Purpose of the Study:

To systematically review membrane technologies for plant essential oil extraction and purification.
To compare the performance of various membrane processes based on extensive literature analysis.
To discuss challenges, recent advances, and future prospects of membrane applications in this field.

Main Methods:

Review and comparative analysis of over 120 published studies on membrane processes for essential oil extraction.
Evaluation of microfiltration, ultrafiltration, nanofiltration, reverse osmosis, and pervaporation.
Assessment of membrane performance based on flux, selectivity, energy consumption, and product quality.

Main Results:

Membrane processes offer lower energy consumption and reduced solvent usage compared to conventional methods.
These processes effectively retain thermolabile bioactive compounds and natural aroma profiles.
Advances in membrane materials and surface modification enhance selectivity, permeability, and fouling resistance.

Conclusions:

Membrane technology is a promising green strategy for efficient and high-quality plant essential oil extraction and purification.
Further research is needed to standardize performance metrics and conduct techno-economic assessments.
Optimized membrane selection and process design are crucial for sustainable industrial implementation.