Cited by 83Agricultural and Biological ResearchPhytochemicals and Antioxidant ActivitiesUltrasound and Cavitation Phenomena

Ultrasound-synergized electrostatic field extraction of total flavonoids from Hemerocallis citrina baroni

Yang, Ri-Fu, Geng, Lin-Lin, Lu, Hai-Qin, Fan, Xiao-Dan·2017·Ultrasonics Sonochemistry

Abstract

The total flavonoids from Hemerocallis citrina baroni are regarded as a green and natural health care product with many beneficial impacts on human health. In this study, ultrasound-synergized electrostatic field extraction (UEE) of the total flavonoids (TF) from H. citrina was investigated. Significant independent variables of the extraction, including the electrostatic field, ultrasonic power, ethanol concentration and extraction time, were optimized using the Box-Behnken (BB) method, and the optimal extraction conditions were obtained by response surface methodology (RSM). The extraction yield using UEE was compared with the yields obtained using only ultrasound extraction (UE) and water bath extraction (WE), using a UV-vis spectrophotometer. The best extraction yield of 1.536% using UEE was achieved under the following optimal conditions: electrostatic field of 7kV, ultrasonic power of 500W, ethanol concentration of 70% and extraction time of 20min. The optimal solid-liquid ratio (1:25g/mL) and extraction temperature (55°C) were determined by single factor experiments. Compared to other extraction methods, UEE not only increases the extraction yield of TF but also exhibits an excellent antioxidant activity in assays of the scavenging capacity for DPPH, hydroxyl and superoxide anion radicals. The availability of the UEE method can be supported by the ultrasonic cavitation effect, which plays the most important role in the UEE method. The electrostatic field can be regarded as a random disturbance for sonication, which can strengthen the cavitation effect and increase the cavitation yield. Moreover, the amount of iodine release in potassium iodide solution well validated the synergetic effect between the ultrasound and electrostatic field.

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Crossref · 10.1016/j.ultsonch.2016.06.037

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Authors
Yang, R.-F., Geng, L.-L., Lu, H.-Q., & Fan, X.-D.
Affiliations
  • South China University of Technology (CN)
  • Guangxi University (CN)
Venue
Ultrasonics Sonochemistry
Publisher
Elsevier BV
Published
2017-01
Volume
34
Pages
571-579
ISSN
1350-4177 (ISSN-L)
OpenAlex
W2460038827
Cited by
83
References
31
Citations by year
2026: 8 · 2025: 9 · 2024: 12 · 2023: 18 · 2022: 12 · 2021: 6 · 2020: 5 · 2019: 7 · 2018: 2 · 2017: 4
FWCI
5.46
Type
journal article
Language
en
Open access
closed
Locations
  • Ultrasonics Sonochemistry (publishedVersion)
  • PubMed (publishedVersion)
Funders
  • National Natural Science Foundation of China (11464002, 21406074)
  • Guangdong Province and Education Bureau (2013B090600034)
  • Fundamental Research Funds for the Central Universities (x2qsD2154180)
Topics
  • Life Sciences › Agricultural and Biological Sciences › Food Science › Agricultural and Biological Research
  • Health Sciences › Medicine › Biochemistry › Phytochemicals and Antioxidant Activities
  • Physical Sciences › Materials Science › Materials Chemistry › Ultrasound and Cavitation Phenomena
Keywords
total flavonoid content, ultrasound-assisted extraction, acoustic cavitation, extraction optimization, antioxidant activity, free radical scavenging, synergistic extraction
MeSH terms
Ultrasonic Waves, Flavonoids, Chemical Fractionation, Models, Theoretical, Free Radical Scavengers, Hemerocallis, Static Electricity

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