303
Piljac-Žegarac J, Valek L, Stipčević T, Martinez S (2010) Electrochemical determination of antioxidant capacity of fruit tea infusions. Food Chem 121:820–825. https://doi.org/10.1016/j.
foodchem.2009.12.090
Plechkova NV, Seddon KR (2008) Applications of ionic liquids in the chemical industry. Chem
Soc Rev 37:123–150. https://doi.org/10.1039/B006677J
Qi X-L, Peng X, Huang Y-Y et al (2015) Green and efficient extraction of bioactive flavonoids
from Equisetum palustre L. by deep eutectic solvents-based negative pressure cavitation
method combined with macroporous resin enrichment. Ind Crops Prod 70:142–148. https://
doi.org/10.1016/j.indcrop.2015.03.026
Quideau S, Deffieux D, Douat-Casassus C, Pouységu L (2011) Plant polyphenols: chemical
properties, biological activities, and synthesis. Angew Chem Int Ed 50:586–621. https://doi.
org/10.1002/anie.201000044
Radošević K, Ćurko N, Gaurina Srček V et al (2016) Natural deep eutectic solvents as beneficial
extractants for enhancement of plant extracts bioactivity. LWT – Food Sci Technol 73:45–51.
https://doi.org/10.1016/j.lwt.2016.05.037
Rajan M, Prabhavathy A, Ramesh U (2015) Natural Deep Eutectic Solvent extraction media for
Zingiber officinale Roscoe: the study of chemical compositions, antioxidants and antimicrobial
activities. Nat Prod J 5:3–13. https://doi.org/10.2174/221031550501150414094719
Rajha HN, Mhanna T, El Kantar S et al (2019) Innovative process of polyphenol recovery from
pomegranate peels by combining green deep eutectic solvents and a new infrared technology.
LWT 111:138–146. https://doi.org/10.1016/j.lwt.2019.05.004
René A, Abasq M-L, Hauchard D, Hapiot P (2010) How do phenolic compounds react toward
superoxide ion? a simple electrochemical method for evaluating antioxidant capacity. Anal
Chem 82:8703–8710. https://doi.org/10.1021/ac101854w
Roche M, Dufour C, Mora N, Dangles O (2005) Antioxidant activity of olive phenols: mechanistic
investigation and characterization of oxidation products by mass spectrometry. Org Biomol
Chem 3:423–430. https://doi.org/10.1039/B416101G
Romero A, Santos A, Tojo J, Rodríguez A (2008) Toxicity and biodegradability of imidazolium
ionic liquids. J Hazard Mater 151:268–273. https://doi.org/10.1016/j.jhazmat.2007.10.079
Ruesgas-Ramón M, Figueroa-Espinoza MC, Durand E (2017) Application of Deep Eutectic
Solvents (DES) for phenolic compounds extraction: overview, challenges, and opportunities. J
Agric Food Chem 65:3591–3601. https://doi.org/10.1021/acs.jafc.7b01054
Saha SK, Dey S, Chakraborty R (2019) Effect of choline chloride-oxalic acid based deep eutectic
solvent on the ultrasonic assisted extraction of polyphenols from Aegle marmelos. J Mol Liq
287:110956. https://doi.org/10.1016/j.molliq.2019.110956
Sang J, Li B, Huang Y et al (2018) Deep eutectic solvent-based extraction coupled with green twodimensional HPLC-DAD-ESI-MS/MS for the determination of anthocyanins from Lycium
ruthenicum Murr. fruit. Anal Methods 10:1247–1257. https://doi.org/10.1039/C8AY00101D
Santoso J, Yoshie Y, Suzuki T (2004) Polyphenolic compounds from seaweeds: distribution and
their antioxidative effect. In: Sakaguchi M (ed) Developments in food science. Elsevier,
Amsterdam, pp 169–177
Schaich KM, Tian X, Xie J (2015) Hurdles and pitfalls in measuring antioxidant efficacy: a critical evaluation of ABTS, DPPH, and ORAC assays. J Funct Foods 14:111–125. https://doi.
org/10.1016/j.jff.2015.01.043
Šeruga M, Novak I, Jakobek L (2011) Determination of polyphenols content and antioxidant activity of some red wines by differential pulse voltammetry, HPLC and spectrophotometric methods. Food Chem 124:1208–1216. https://doi.org/10.1016/j.foodchem.2010.07.047
Shang X, Tan J-N, Du Y et al (2018) Environmentally-friendly extraction of flavonoids from
Cyclocarya paliurus (Batal.) Iljinskaja Leaves with Deep Eutectic Solvents and evaluation of
their antioxidant activities. Molecules 23:2110. https://doi.org/10.3390/molecules23092110
Shi X, Ye J, Leonard S et al (2000) Antioxidant properties of (-)-epicatechin-3-gallate and its inhibition of Cr (VI)-induced DNA damage and Cr (IV)- or TPA-stimulated NF-κB activation. Mol
Cell Biochem 206:125–132. https://doi.org/10.1023/a:1007012403691
7 Extraction of Plant and Algal Polyphenols Using Eutectic Solvents
Piljac-Žegarac J, Valek L, Stipčević T, Martinez S (2010) Electrochemical determination of antioxidant capacity of fruit tea infusions. Food Chem 121:820–825. https://doi.org/10.1016/j.
foodchem.2009.12.090
Plechkova NV, Seddon KR (2008) Applications of ionic liquids in the chemical industry. Chem
Soc Rev 37:123–150. https://doi.org/10.1039/B006677J
Qi X-L, Peng X, Huang Y-Y et al (2015) Green and efficient extraction of bioactive flavonoids
from Equisetum palustre L. by deep eutectic solvents-based negative pressure cavitation
method combined with macroporous resin enrichment. Ind Crops Prod 70:142–148. https://
doi.org/10.1016/j.indcrop.2015.03.026
Quideau S, Deffieux D, Douat-Casassus C, Pouységu L (2011) Plant polyphenols: chemical
properties, biological activities, and synthesis. Angew Chem Int Ed 50:586–621. https://doi.
org/10.1002/anie.201000044
Radošević K, Ćurko N, Gaurina Srček V et al (2016) Natural deep eutectic solvents as beneficial
extractants for enhancement of plant extracts bioactivity. LWT – Food Sci Technol 73:45–51.
https://doi.org/10.1016/j.lwt.2016.05.037
Rajan M, Prabhavathy A, Ramesh U (2015) Natural Deep Eutectic Solvent extraction media for
Zingiber officinale Roscoe: the study of chemical compositions, antioxidants and antimicrobial
activities. Nat Prod J 5:3–13. https://doi.org/10.2174/221031550501150414094719
Rajha HN, Mhanna T, El Kantar S et al (2019) Innovative process of polyphenol recovery from
pomegranate peels by combining green deep eutectic solvents and a new infrared technology.
LWT 111:138–146. https://doi.org/10.1016/j.lwt.2019.05.004
René A, Abasq M-L, Hauchard D, Hapiot P (2010) How do phenolic compounds react toward
superoxide ion? a simple electrochemical method for evaluating antioxidant capacity. Anal
Chem 82:8703–8710. https://doi.org/10.1021/ac101854w
Roche M, Dufour C, Mora N, Dangles O (2005) Antioxidant activity of olive phenols: mechanistic
investigation and characterization of oxidation products by mass spectrometry. Org Biomol
Chem 3:423–430. https://doi.org/10.1039/B416101G
Romero A, Santos A, Tojo J, Rodríguez A (2008) Toxicity and biodegradability of imidazolium
ionic liquids. J Hazard Mater 151:268–273. https://doi.org/10.1016/j.jhazmat.2007.10.079
Ruesgas-Ramón M, Figueroa-Espinoza MC, Durand E (2017) Application of Deep Eutectic
Solvents (DES) for phenolic compounds extraction: overview, challenges, and opportunities. J
Agric Food Chem 65:3591–3601. https://doi.org/10.1021/acs.jafc.7b01054
Saha SK, Dey S, Chakraborty R (2019) Effect of choline chloride-oxalic acid based deep eutectic
solvent on the ultrasonic assisted extraction of polyphenols from Aegle marmelos. J Mol Liq
287:110956. https://doi.org/10.1016/j.molliq.2019.110956
Sang J, Li B, Huang Y et al (2018) Deep eutectic solvent-based extraction coupled with green twodimensional HPLC-DAD-ESI-MS/MS for the determination of anthocyanins from Lycium
ruthenicum Murr. fruit. Anal Methods 10:1247–1257. https://doi.org/10.1039/C8AY00101D
Santoso J, Yoshie Y, Suzuki T (2004) Polyphenolic compounds from seaweeds: distribution and
their antioxidative effect. In: Sakaguchi M (ed) Developments in food science. Elsevier,
Amsterdam, pp 169–177
Schaich KM, Tian X, Xie J (2015) Hurdles and pitfalls in measuring antioxidant efficacy: a critical evaluation of ABTS, DPPH, and ORAC assays. J Funct Foods 14:111–125. https://doi.
org/10.1016/j.jff.2015.01.043
Šeruga M, Novak I, Jakobek L (2011) Determination of polyphenols content and antioxidant activity of some red wines by differential pulse voltammetry, HPLC and spectrophotometric methods. Food Chem 124:1208–1216. https://doi.org/10.1016/j.foodchem.2010.07.047
Shang X, Tan J-N, Du Y et al (2018) Environmentally-friendly extraction of flavonoids from
Cyclocarya paliurus (Batal.) Iljinskaja Leaves with Deep Eutectic Solvents and evaluation of
their antioxidant activities. Molecules 23:2110. https://doi.org/10.3390/molecules23092110
Shi X, Ye J, Leonard S et al (2000) Antioxidant properties of (-)-epicatechin-3-gallate and its inhibition of Cr (VI)-induced DNA damage and Cr (IV)- or TPA-stimulated NF-κB activation. Mol
Cell Biochem 206:125–132. https://doi.org/10.1023/a:1007012403691
7 Extraction of Plant and Algal Polyphenols Using Eutectic Solvents