Extraction of Flavonoids From Natural Sources Using Modern Techniques
By J. Chaves, M. C. de Souza, L. C. da Silva, D. Lachos‐Perez, Paulo Torres-Mayanga, Ana Paula da Fonseca Machado, T. Forster‐Carneiro, Mercedes Vázquez-Espinosa, A. V. González-de-Peredo, G. F. Barbero and 1 more. Frontiers in Chemistry, 2020
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Flavonoids are one of the main groups of polyphenols found in natural products. Traditional flavonoid extraction techniques are being replaced by advanced techniques to reduce energy and solvent consumption, increase efficiency and selectivity, to meet increased market demand and environmental regulations. Advanced technologies, such as microwaves, ultrasound, pressurized liquids, supercritical fluids, and electric fields, are alternatives currently being used. These modern techniques are generally faster, more environmentally friendly, and with higher automation levels compared to conventional extraction techniques. This review will discuss the different methods available for flavonoid extraction from natural sources and the main parameters involved (temperature, solvent, sample quantity, extraction time, among others). Recent trends and their industrial importance are also discussed in detail, providing insight into their potential. Thus, this paper seeks to review the innovations of compound extraction techniques, presenting in each of them their advantages and disadvantages, trying to offer a broader scope in the understanding of flavonoid extraction from different plant matrices.
Subfields: Analytical Chemistry, Molecular Biology, Pharmacology
View Paper: https://www.semanticscholar.org/paper/d2c721162ca5930ae6282aedadd2123302df1d27
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Citations in the corpus
- Plant Flavonoids: Chemical Characteristics and Biological Activity (2021, methodology): “In the MAE technique, the application of nonionizing electromagnetic waves with frequencies between 300 MHz to 300 GHz induces disruption or changes in the structure of sample cells [41,44].”