Optimized microwave-assisted extraction of total phenolics (TP) from Ipomoea batatas leaves and its antioxidant activity
Abstract
An efficient microwave-assisted extraction (MAE) technique was employed to extract total phenolics (TP) from sweetpotato [Ipomoea batatas (L.) Lam.] leaves (TPSL). The optimal conditions for microwave-assisted extraction of TPSL were determined by response surface methodology. A face-centered cubic design (FCD) was applied to evaluate the effects of three independent variables (microwave power, extraction time and ethanol proportion) on the recovery of TPSL. The correlation analysis of the mathematical-regression model indicated that quadratic polynomial model could be employed to optimize the microwave extraction of TPSL. From response surface plots, microwave power, extraction time and ethanol proportion exhibited independent and interactive effects on the extraction of TPSL. The optimal conditions to obtain the highest recovery of TPSL were as follows: microwave power, 302W; extraction time, 123s; ethanol proportion, 53% (v/v). Under these optimal conditions, the experimental values agreed with the predicted ones by analysis of variance. It indicated high fitness of the model used and the success of response surface methodology for optimizing TPSL extraction. After method development, the antioxidant activity of the MAE extract was preliminarily evaluated. MAE showed obvious advantages in terms of high extraction efficiency and antioxidant activity of extract with in shortest extraction time. Industrial Relevance: Sweet potato leaves have been neglected except for a partia…
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RSM can generate a robust mathematical model that accounts for interrelationships among variables and minimizes the number of experiments.
“the advantages of RSM are based on the ability to generate a robust mathematical model that takes into account the possible interrelationships of the variables to be evaluated and minimizes the number of experiments [4,5].”
From Optimized microwave-assisted azadirachtin extraction using response surface methodology (2024) · cites this paper as [5]
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Optimization of extraction of phenolic compounds from wheat using response surface methodology
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Green extraction of grape skin phenolics by using deep eutectic solvents
Cvjetko Bubalo, M., Ćurko, N., Tomašević, M., Kovačević Ganić, K., & Radojčić Redovniković, I. (2016) · Food Chemistry · doi:10.1016/j.foodchem.2016.01.040 · Cited by 577 · see citing works
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Optimized microwave-assisted azadirachtin extraction using response surface methodology
Martínez-Castro, R., Flórez-Santiago, J., Valle-Molinares, R., Cabrera-Barraza, J., & Espitia-Almeida, F. (2024) · Heliyon · doi:10.1016/j.heliyon.2024.e31504 · Cited by 6 · see citing works
“…design to simultaneously determine or solve multi-variate equations; the advantages of RSM are based on the ability to generate a robust mathematical model that takes into account the possible interrelationships of the variables to be evaluated and minimizes the number of experiments [4,5].”
Background
- Authors
- Song, J., Li, D., Liu, C., & Zhang, Y.
- Affiliations
- Jiangsu Academy of Agricultural Sciences (CN)
- Corresponding author
- Liu, Chunquan
- Venue
- Innovative Food Science & Emerging Technologies
- Publisher
- Elsevier BV
- Published
- 2011-07
- Volume
- 12
- Issue
- 3
- Pages
- 282-287
- ISSN
- 1466-8564 (ISSN-L)
- OpenAlex
- W2038177317
- Cited by
- 115
- References
- 1
- Citations by year
- 2026: 3 · 2025: 4 · 2024: 6 · 2023: 7 · 2022: 6 · 2021: 11 · 2020: 10 · 2019: 9 · 2018: 4 · 2017: 8 · 2016: 9 · 2015: 14 · 2014: 9 · 2013: 8 · 2012: 6
- FWCI
- 5.01
- Type
- journal article
- Language
- en
- Open access
- closed
- Locations
- Innovative Food Science & Emerging Technologies (publishedVersion)
- Funders
- Jiangsu Academy of Agricultural Sciences
- Government of Jiangsu Province
- Topics
- Health Sciences › Medicine › Biochemistry › Phytochemicals and Antioxidant Activities
- Life Sciences › Agricultural and Biological Sciences › Food Science › Agricultural and Biological Research
- Life Sciences › Agricultural and Biological Sciences › Plant Science › Medicinal Plant Research
- Keywords
- microwave-assisted extraction, total phenolic content, Ipomoea batatas, antioxidant activity, extraction optimization, ethanol concentration, microwave power, extraction time
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