305
Ventura SPM, Silva FA, Quental MV et al (2017) Ionic-liquid-mediated extraction and separation
processes for bioactive compounds: past, present, and future trends. Chem Rev 117:6984–7052.
https://doi.org/10.1021/acs.chemrev.6b00550
Vieira V, Prieto MA, Barros L et al (2018) Enhanced extraction of phenolic compounds using choline chloride based deep eutectic solvents from Juglans regia L. Ind Crops Prod 115:261–271.
https://doi.org/10.1016/j.indcrop.2018.02.029
Volf I, Ignat I, Neamtu M, Popa V (2014) Thermal stability, antioxidant activity, and photo-oxidation of natural polyphenols. Chem Pap 68. https://doi.org/10.2478/s11696-013-0417-6
Wan Mahmood WMA, Lorwirachsutee A, Theodoropoulos C, Gonzalez-Miquel M (2019)
Polyol-based Deep Eutectic Solvents for extraction of natural polyphenolic antioxidants
from Chlorella vulgaris. ACS Sustain Chem Eng 7:5018–5026. https://doi.org/10.1021/
acssuschemeng.8b05642
Wang T, Jonsdottir R, Olafsdottir G, Kristinsson HG (2014) Antioxidant properties of marine macroalgae. In: Kristinsson HG (ed) Antioxidants and functional components in aquatic foods.
John Wiley & Sons Ltd, Chichester, pp 283–317
Wang T, Jiao J, Gai Q-Y et al (2017) Enhanced and green extraction polyphenols and furanocoumarins from Fig (Ficus carica L.) leaves using deep eutectic solvents. J Pharm Biomed Anal
145:339–345. https://doi.org/10.1016/j.jpba.2017.07.002
Wang H, Ma X, Cheng Q et al (2018a) Deep Eutectic Solvent-based microwave-assisted
extraction of Baicalin from Scutellaria baicalensis Georgi. J Chem 2018:1–10. https://doi.
org/10.1155/2018/9579872
Wang H, Ma X, Cheng Q et al (2018b) Deep Eutectic Solvent-based ultrahigh pressure extraction
of Baicalin from Scutellaria baicalensis Georgi. Molecules 23:3233. https://doi.org/10.3390/
molecules23123233
Wang G, Cui Q, Yin L-J et al (2019) Efficient extraction of flavonoids from Flos Sophorae
Immaturus by tailored and sustainable deep eutectic solvent as green extraction media. J Pharm
Biomed Anal 170:285–294. https://doi.org/10.1016/j.jpba.2018.12.032
Wei Z, Qi X, Li T et al (2015a) Application of natural deep eutectic solvents for extraction and
determination of phenolics in Cajanus cajan leaves by ultra performance liquid chromatography. Sep Purif Technol 149:237–244. https://doi.org/10.1016/j.seppur.2015.05.015
Wei Z-F, Wang X-Q, Peng X et al (2015b) Fast and green extraction and separation of main bioactive flavonoids from Radix Scutellariae. Ind Crops Prod 63:175–181. https://doi.org/10.1016/j.
indcrop.2014.10.013
Williams RJ, Spencer JPE, Rice-Evans C (2004) Flavonoids: antioxidants or signalling molecules?
Free Radic Biol Med 36:838–849. https://doi.org/10.1016/j.freeradbiomed.2004.01.001
Wright JS, Johnson ER, DiLabio GA (2001) Predicting the activity of phenolic antioxidants: theoretical method, analysis of substituent effects, and application to major families of antioxidants. J Am Chem Soc 123:1173–1183. https://doi.org/10.1021/ja002455u
Xia B, Yan D, Bai Y et al (2015) Determination of phenolic acids in Prunella vulgaris L.: a
safe and green extraction method using alcohol-based deep eutectic solvents. Anal Methods
7:9354–9364. https://doi.org/10.1039/C5AY02035B
Xu M, Ran L, Chen N et al (2019) Polarity-dependent extraction of flavonoids from citrus
peel waste using a tailor-made deep eutectic solvent. Food Chem 297:124970. https://doi.
org/10.1016/j.foodchem.2019.124970
Yan M-M, Liu W, Fu Y-J et al (2010) Optimisation of the microwave-assisted extraction process for four main astragalosides in Radix Astragali. Food Chem 119:1663–1670. https://doi.
org/10.1016/j.foodchem.2009.09.021
Yang B, Zhao M, Jiang Y (2008) Optimization of tyrosinase inhibition activity of ultrasonicextracted polysaccharides from longan fruit pericarp. Food Chem 110:294–300. https://doi.
org/10.1016/j.foodchem.2008.01.067
Yang F-X, Xu P, Yang J-G et al (2016) Efficient separation and purification of anthocyanins from
saskatoon berry by using low transition temperature mixtures. RSC Adv 6:104582–104590.
https://doi.org/10.1039/C6RA22912C
7 Extraction of Plant and Algal Polyphenols Using Eutectic Solvents
Ventura SPM, Silva FA, Quental MV et al (2017) Ionic-liquid-mediated extraction and separation
processes for bioactive compounds: past, present, and future trends. Chem Rev 117:6984–7052.
https://doi.org/10.1021/acs.chemrev.6b00550
Vieira V, Prieto MA, Barros L et al (2018) Enhanced extraction of phenolic compounds using choline chloride based deep eutectic solvents from Juglans regia L. Ind Crops Prod 115:261–271.
https://doi.org/10.1016/j.indcrop.2018.02.029
Volf I, Ignat I, Neamtu M, Popa V (2014) Thermal stability, antioxidant activity, and photo-oxidation of natural polyphenols. Chem Pap 68. https://doi.org/10.2478/s11696-013-0417-6
Wan Mahmood WMA, Lorwirachsutee A, Theodoropoulos C, Gonzalez-Miquel M (2019)
Polyol-based Deep Eutectic Solvents for extraction of natural polyphenolic antioxidants
from Chlorella vulgaris. ACS Sustain Chem Eng 7:5018–5026. https://doi.org/10.1021/
acssuschemeng.8b05642
Wang T, Jonsdottir R, Olafsdottir G, Kristinsson HG (2014) Antioxidant properties of marine macroalgae. In: Kristinsson HG (ed) Antioxidants and functional components in aquatic foods.
John Wiley & Sons Ltd, Chichester, pp 283–317
Wang T, Jiao J, Gai Q-Y et al (2017) Enhanced and green extraction polyphenols and furanocoumarins from Fig (Ficus carica L.) leaves using deep eutectic solvents. J Pharm Biomed Anal
145:339–345. https://doi.org/10.1016/j.jpba.2017.07.002
Wang H, Ma X, Cheng Q et al (2018a) Deep Eutectic Solvent-based microwave-assisted
extraction of Baicalin from Scutellaria baicalensis Georgi. J Chem 2018:1–10. https://doi.
org/10.1155/2018/9579872
Wang H, Ma X, Cheng Q et al (2018b) Deep Eutectic Solvent-based ultrahigh pressure extraction
of Baicalin from Scutellaria baicalensis Georgi. Molecules 23:3233. https://doi.org/10.3390/
molecules23123233
Wang G, Cui Q, Yin L-J et al (2019) Efficient extraction of flavonoids from Flos Sophorae
Immaturus by tailored and sustainable deep eutectic solvent as green extraction media. J Pharm
Biomed Anal 170:285–294. https://doi.org/10.1016/j.jpba.2018.12.032
Wei Z, Qi X, Li T et al (2015a) Application of natural deep eutectic solvents for extraction and
determination of phenolics in Cajanus cajan leaves by ultra performance liquid chromatography. Sep Purif Technol 149:237–244. https://doi.org/10.1016/j.seppur.2015.05.015
Wei Z-F, Wang X-Q, Peng X et al (2015b) Fast and green extraction and separation of main bioactive flavonoids from Radix Scutellariae. Ind Crops Prod 63:175–181. https://doi.org/10.1016/j.
indcrop.2014.10.013
Williams RJ, Spencer JPE, Rice-Evans C (2004) Flavonoids: antioxidants or signalling molecules?
Free Radic Biol Med 36:838–849. https://doi.org/10.1016/j.freeradbiomed.2004.01.001
Wright JS, Johnson ER, DiLabio GA (2001) Predicting the activity of phenolic antioxidants: theoretical method, analysis of substituent effects, and application to major families of antioxidants. J Am Chem Soc 123:1173–1183. https://doi.org/10.1021/ja002455u
Xia B, Yan D, Bai Y et al (2015) Determination of phenolic acids in Prunella vulgaris L.: a
safe and green extraction method using alcohol-based deep eutectic solvents. Anal Methods
7:9354–9364. https://doi.org/10.1039/C5AY02035B
Xu M, Ran L, Chen N et al (2019) Polarity-dependent extraction of flavonoids from citrus
peel waste using a tailor-made deep eutectic solvent. Food Chem 297:124970. https://doi.
org/10.1016/j.foodchem.2019.124970
Yan M-M, Liu W, Fu Y-J et al (2010) Optimisation of the microwave-assisted extraction process for four main astragalosides in Radix Astragali. Food Chem 119:1663–1670. https://doi.
org/10.1016/j.foodchem.2009.09.021
Yang B, Zhao M, Jiang Y (2008) Optimization of tyrosinase inhibition activity of ultrasonicextracted polysaccharides from longan fruit pericarp. Food Chem 110:294–300. https://doi.
org/10.1016/j.foodchem.2008.01.067
Yang F-X, Xu P, Yang J-G et al (2016) Efficient separation and purification of anthocyanins from
saskatoon berry by using low transition temperature mixtures. RSC Adv 6:104582–104590.
https://doi.org/10.1039/C6RA22912C
7 Extraction of Plant and Algal Polyphenols Using Eutectic Solvents