期刊
CRITICAL REVIEWS IN FOOD SCIENCE AND NUTRITION
卷 63, 期 21, 页码 5155-5193出版社
TAYLOR & FRANCIS INC
DOI: 10.1080/10408398.2021.2013771
关键词
Alternative solvent assisted extraction; pressure assisted extraction; ultrasound assisted extraction; electrically assisted extraction; electromagnetically assisted extraction
Green extraction is the best option for extracting phenolic compounds from leaves, offering environmentally friendly, efficient, and cost-effective techniques. It plays a crucial role in solving waste disposal issues and contributing to the development of sustainable food chains.
Although containing significant levels of phenolic compounds (PCs), leaves biomass coming from either forest, agriculture, or the processing industry are considered as waste, which upon disposal, brings in environmental issues. As the demand for PCs in functional food, pharmaceutical, nutraceutical and cosmetic sector is escalating day by day, recovering PCs from leaves biomass would solve both the waste disposal problem while ensuring a valuable societal health ingredient thus highly contributing to a sustainable food chain from both economic and environmental perspectives. In our search for environmentally benign, efficient, and cost-cutting techniques for the extraction of PCs, green extraction (GE) is presenting itself as the best option in modern industrial processing. This current review aims to highlight the recent progress, constraints, legislative framework, and future directions in GE and characterization of PCs from leaves, concentrating particularly on five plant species (tea, moringa, stevia, sea buckthorn, and pistacia) based on the screened journals that precisely showed improvements in extraction efficiency along with maintaining extract quality. This overview will serve researchers and relevant industries engaged in the development of suitable techniques for the extraction of PCs with increasing yield.
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