Underwater electrical shockwave assisted CO2-responsive switchable hydrophilic solvent extraction of essential oil from pomelo peels

IF 6.3 1区农林科学 Q1 FOOD SCIENCE & TECHNOLOGY

Innovative Food Science & Emerging Technologies Pub Date : 2025-03-13 DOI:10.1016/j.ifset.2025.104002

Shuang Wei, Yuntao Wu, Jun Xi

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引用次数: 0

Abstract

The pomelo peels are rich in essential oils which have many beneficial effects. In this study, underwater electrical shockwave (UES) was successfully applied to the extraction and separation of essential oil from pomelo peels with CO₂-responsive switchable hydrophilic solvent (SHS) to eliminate the evaporation process of solvent removal after extraction and improve the extraction efficiency. Through the optimization of single-factor experiment and response surface methodology, the optimal process conditions were obtained as follows: the amine type of DMCHA, voltage of 3.1 kV, extraction time of 10.2 min and volume flow of 28 mL/min, and the maximum yield of essential oil was 72.26 ± 0.83 mg/g. Compared with traditional steam distillation and SHS maceration, UES-SHS extraction has a higher essential oil yield, lower energy consumption, shorter processing time, and a richer essential oil composition. Additionally, UES-SHS maintain the DMCHA recovery rate exceeding 75 % and an essentially unchanged essential oil yield over five extraction cycles, demonstrating sustainable development potential. Therefore, UES-SHS extraction is an energy-saving and efficient method, which has broad development prospects.

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来源期刊

Innovative Food Science & Emerging Technologies 工程技术-食品科技

CiteScore

12.00

自引率

6.10%

发文量

259

审稿时长

25 days

期刊介绍： Innovative Food Science and Emerging Technologies (IFSET) aims to provide the highest quality original contributions and few, mainly upon invitation, reviews on and highly innovative developments in food science and emerging food process technologies. The significance of the results either for the science community or for industrial R&D groups must be specified. Papers submitted must be of highest scientific quality and only those advancing current scientific knowledge and understanding or with technical relevance will be considered.