Extractions of Protein-Rich Alaria esculenta and Lemna minor by the Use of High-Power (Assisted) Ultrasound

Lara Inguanez, Xianglu Zhu, Jefferson de Oliveira Mallia, Brijesh K. Tiwari () and Vasilis P. Valdramidis ()
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Lara Inguanez: Department of Food Sciences and Nutrition, Faculty of Health Sciences, University of Malta, 2080 Msida, Malta
Xianglu Zhu: Teagasc Food Research Centre, Ashtown, D15 DY05 Dublin, Ireland
Jefferson de Oliveira Mallia: Department of Food Sciences and Nutrition, Faculty of Health Sciences, University of Malta, 2080 Msida, Malta
Brijesh K. Tiwari: Teagasc Food Research Centre, Ashtown, D15 DY05 Dublin, Ireland
Vasilis P. Valdramidis: Department of Food Sciences and Nutrition, Faculty of Health Sciences, University of Malta, 2080 Msida, Malta

Sustainability, 2023, vol. 15, issue 10, 1-23

Abstract: Plant nutrients extracted from sustainable sources, namely Alaria esculenta and Lemna minor , have been evaluated for their nutritional value in an attempt to identify their potential as protein-rich sources. The implementation of green technologies such as high-power ultrasound to extract nutrients from these alternative biomasses was studied and compared to more traditional techniques. Probe sonicators fared better than bath sonicators in extracting bioactive compounds while ultrasound assisted with enzymes was more efficient than conventional or alkali extraction methods. Lemna minor was found to have the greatest extraction yield of nutrients.

Keywords: ultrasound; aquaculture; fish feeds; green technology; bioactive compound extraction (search for similar items in EconPapers)
JEL-codes: O13 Q Q0 Q2 Q3 Q5 Q56 (search for similar items in EconPapers)
Date: 2023
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