Gavahian M, Bannikoppa AM, Majzoobi M, Hsieh CW, Lin J, Farahnaky A. Fenugreek bioactive compounds: A review of applications and extraction based on emerging technologies.
Crit Rev Food Sci Nutr 2023:1-17. [PMID:
37303155 DOI:
10.1080/10408398.2023.2221971]
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Abstract
Fenugreek (Trigonella foenum-graecum L.) is a pharmaceutically significant aromatic crop with health benefits linked to its phytochemicals. This article aims to overview progress in using emerging technologies to extract its bioactive compounds and extraction mechanisms. Also, the trends in the applications of this herb in the food industry and its therapeutical effects were explained. Fenugreek's flavor is the primary reason for its applications in the food industry. At the same time, it has antimicrobial, antibacterial, hepatoprotection, anticancer, lactation, and antidiabetic effects. Phytochemicals responsible for these effects include galactomannans, saponins, alkaloids, and polyphenols. Besides, data showed that emerging technologies boost fenugreek extracts' yield and biological activity. Among these, ultrasound (55.6%) is the most studied technology, followed by microwave (37.0%), cold plasma (3.7%), and combined approaches (3.7%). Processing conditions (e.g., treatment time and intensity) and solvent (type, ratio, and concentration) are significant parameters that affect the performance of these novel extraction technologies. Extracts obtained by sustainable energy-saving emerging technologies can be used to develop value-added health-promoting products.
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