Assisted extraction using green technologies and conventional solvent extraction method: a comparison of the phenolic content and profile of sorghum and their antioxidant activity
Journal of Food Measurement and Characterization(2024)
摘要
The use of sorghum in food has been limited due to the presence of tannins, considered anti-nutritional factors. However, these compounds can be extracted using green technologies. The objective of this study was to compare the tannin content, the phenolic profile, and the antioxidant activity of sorghum extracts obtained using ultrasound and microwave technologies, against conventional solvent extraction. Ground grains of the sorghum genotypes (LES 5 and GB) were studied; optimization of the extraction processes in terms of condensed tannin (CT) content by ultrasound and microwave was performed. In the extraction of CT using ultrasound, a higher yield of 82.40
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关键词
Tannins,Extracts,Ultrasound,Microwave,Solvent,HPLC
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