Microwave-assisted extraction of soluble sugars from banana puree with natural deep eutectic solvents (NADES)
Open accessAbstract
Over-ripe bananas serve as a good source for non-starch polysaccharides (NSP), which can be used as a functional food ingredient and represent an opportunity for waste utilization. However, ripe banana contains a large amount of sugars, which are undesirable and need to be removed. Traditional extraction methods using alcoholic solvents have many drawbacks. This study aims to use natural deep eutectic solvents (NADES) as new and eco-friendly solvents for the extraction of soluble sugars from ripe bananas. Thirty NADES were characterized and screened, and four of them were selected as most appropriate solvents to remove soluble sugars from banana puree with the help of microwave-assisted extraction. The effects of temperature, time, and quantity of water added to NADES were evaluated. In all cases, NADES were shown to be more effective than conventional solvents (water and ethanol). Among the four NADES, malic acid:beta-alanine:water (1:1:3, molar ratio) with 30 g/100 g of water (25 °C, 30 min) was found to be the most effective in the extraction of soluble sugars from banana puree. Thus, NADES can be considered a highly efficient extraction medium for fruits (such as bananas) and can replace conventional extractions using harsher organic solvents like ethanol.
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Incorporation of water to NADES causes a gradual increase in water activity.
“The same authors demonstrated that the incorporation of water to NADES causes a gradual increase in the water activity.”
From The perspectives of natural deep eutectic solvents in agri-food sector (2020) · cites this paper as Gómez et al. (2019)
All samples reached water activity higher than 0.900 when 60% of water was incorporated.
“In their case, all samples reached a water activity higher than 0.900 when 60% of water was incorporated.”
From The perspectives of natural deep eutectic solvents in agri-food sector (2020) · cites this paper as Gómez et al. (2019)
Water activity of these NADES decreased in the sequence MA:BA > CA:BA > MA:Fru ≅ MA:Glu > U:Fru ≅ U:Glu > CA:CC ≅ CA:Fru > MA:CC > CA:Glu > Glu:CC ≅ Fru:CC in the range between 0.653 and 0.177.
“The water activity of NADESs decreased in the following sequence: MA:BA > CA:BA >MA:Fru ≅ MA:Glu > U:Fru ≅ U:Glu > CA:CC ≅ CA:Fru > MA:CC >CA:Glu > Glu:CC ≅ Fru:CC in the range between 0.653 and 0.177.”
From The perspectives of natural deep eutectic solvents in agri-food sector (2020) · cites this paper as Gómez et al. (2019)
Gómez et al. (2019) measured water activity of a range of NADES prepared with citric acid, malic acid, glucose, fructose, urea, β-alanine, and choline chloride.
“Gómez et al. (2019) measured a w value of a range of NADES prepared with citric acid (CA), malic acid (MA), glucose (Glu), fructose (Fru), urea (U), β-alanine (BA) and choline chloride (CC).”
From The perspectives of natural deep eutectic solvents in agri-food sector (2020) · cites this paper as Gómez et al. (2019)
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The perspectives of natural deep eutectic solvents in agri-food sector
Mišan, A., Nađpal, J., Stupar, A., Pojić, M., Mandić, A., Verpoorte, R., & Choi, Y. H. (2020) · Critical Reviews in Food Science and Nutrition · doi:10.1080/10408398.2019.1650717 · Cited by 316 · see citing works
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- Authors
- Gómez, A. V., Tadini, C. C., Biswas, A., Buttrum, M., Kim, S., Boddu, V. M., & Cheng, H. N.
- Affiliations
- Universidade de São Paulo (BR)
- Agricultural Research Service (US)
- Corresponding author
- Cheng, H.N.
- Venue
- LWT
- Publisher
- Elsevier BV
- Published
- 2019-06
- Volume
- 107
- Pages
- 79-88
- ISSN
- 0023-6438 (ISSN-L)
- OpenAlex
- W2917063230
- Cited by
- 87
- References
- 2
- Citations by year
- 2026: 12 · 2025: 11 · 2024: 15 · 2023: 15 · 2022: 12 · 2021: 11 · 2020: 8 · 2019: 3
- FWCI
- 1.78
- Type
- journal article
- Language
- en
- Open access
- bronze
- doi.org
- Licence
- Locations
- LWT (acceptedVersion)
- Funders
- São Paulo Research Foundation (2016/15783-9, 2013/25946-4)
- National Council for Scientific and Technological Development (306414/2017-1)
- Food Research Center – FoRC (2013/07914-8)
- Topics
- Physical Sciences › Chemical Engineering › Catalysis › Ionic liquids properties and applications
- Life Sciences › Agricultural and Biological Sciences › Food Science › Agricultural and Biological Research
- Health Sciences › Medicine › Biochemistry › Phytochemicals and Antioxidant Activities
- Keywords
- microwave-assisted extraction, natural deep eutectic solvents, soluble sugars, banana puree, non-starch polysaccharides, fruit waste valorization, green solvents, extraction optimization
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