期刊
TRENDS IN FOOD SCIENCE & TECHNOLOGY
卷 122, 期 -, 页码 238-255出版社
ELSEVIER SCIENCE LONDON
DOI: 10.1016/j.tifs.2022.02.019
关键词
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资金
- Ministry of Education (MoE), Govt. of India
- Prime Minister's Research Fellowship (PMRF) program, Ministry of Education (MoE), Govt. of India
- Science and Engineering Research Board, Department of Science and Technology, Govt of India [PDF/2021/004053]
This study examines the application of Pulsed Electric Field (PEF) technology in food extraction and its effect on extraction yield and quality. The findings demonstrate that PEF treatment significantly affects the extraction yield of fruit juices, edible oils, bioactive compounds, and carbohydrates, while preserving the quality of the end product. PEF treatment also shows potential for recovering bioactive compounds from agro-processing waste. Further research and optimization of PEF parameters at an industrial scale are necessary to improve productivity.
Background: Pulsed Electric Field (PEF) technology is a non-thermal approach mainly used to preserve food with higher electrical conductivity, such as liquid or semiliquid foods. PEF uses an electric field to create irreversible poration in the cell membrane, increasing membrane permeability. The application of PEF to increase the extraction rate in the food and nutraceutical industry is still in its infancy. Scope and approach: This study describes the mechanism of PEF treatment and its effect on food's quantitative and qualitative attributes. This review emphasizes the significance of PEF treatment on the extraction of various compounds from the food matrix like juices, edible oils, bioactive compounds, and carbohydrates. Key findings and conclusion: A plethora of literature evinced that the application of PEF treatment to extract fruit juices, edible oils, various bioactive compounds, and carbohydrate compounds on a laboratory scale and pilot-level scale have significantly affected the extraction yield. Moreover, PEF treatment allows preserving the end product's quality in terms of sensory and nutritional aspects. Various studies have shown PEF as a productive tool to utilize the waste of agro-processing industries for recovering multiple bioactive compounds that could be economically beneficial. PEF becomes an optimal choice for pretreatment before extraction due to its desirable traits such as minimal operational period and efficient power consumption. Though extensive research has been carried out at a laboratory scale, there is a need to explore the PEF on the industrial scale further and optimize various PEF parameters to obtain high productivity.
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