Summary
This review examines modern extraction techniques for flavonoids as alternatives to conventional methods, focusing on their ability to reduce resource consumption whilst improving bioactive compound recovery. The authors present a comparative overview of four contemporary extraction approaches and argue that response surface methodology combined with experimental design significantly streamlines optimisation of flavonoid extraction across different plant sources and extraction platforms, reducing experimental burden whilst achieving maximum yield.
Regional applicability
The findings are relevant to UK food and pharmaceutical manufacturers seeking to improve extraction efficiency and meet environmental legislation. The review's emphasis on process optimisation and reduced solvent/energy consumption aligns with UK and EU sustainability and circular economy policy frameworks.
Key measures
Extraction yield; energy consumption; solvent consumption; extraction efficiency; optimisation parameters using experimental design and RSM modelling
Outcomes reported
The study reviewed modern flavonoid extraction methods (microwave-assisted, ultrasound-assisted, pressurised liquid, and supercritical fluid extraction) and their performance characteristics. It evaluated the application of experimental design and response surface methodology (RSM) modelling to optimise extraction yield and reduce the number of experiments required.
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