Cited by 81Ultrasound and Cavitation PhenomenaProteins in Food SystemsMicrobial Inactivation Methods

Ultrasound frequency effect on soybean protein: Acoustic field simulation, extraction rate and structure

Ding, Yanhua, Ma, Haile, Wang, Ke, Azam, S.M. Roknul, Wang, Yaoyao, Zhou, Jie, Qu, Wenjuan·2021·LWT

Abstract

This study endeavored to develop a method to evaluate the effect of ultrasound frequency on soybean protein extraction. In the ultrasonic frequencies range from 20 to 52 kHz, 28, 35, and 45 kHz were predicted to be the resonance frequencies in the ultrasound-assisted extraction (UAE) process of soybean protein by simulating the acoustic field distribution. The absolute sound pressure and the relative standard deviation could be well-coordinated via frequency regulation. The extraction experiment of soybean protein showed that the extraction rate was improved significantly (p < 0.05) with the aid of ultrasound. The extraction effect was optimal at 28 kHz and the extraction rate was improved to 73.35 g/100 g from 46.09 g/100 g of control under the same condition. The structure of the extracted protein was analyzed by the spectrum to further explore the mechanism of the effect of ultrasonic frequency. Spectral analysis showed that 20, 28, and 35 kHz had a significant influence on the structure of protein molecules. Therefore, acoustic field simulation can be used as one effective method for selecting ultrasonic frequency, which could help to optimize equipment and improve efficiency.

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Crossref · 10.1016/j.lwt.2021.111320

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Authors
Ding, Y., Ma, H., Wang, K., Azam, S. M. R., Wang, Y., Zhou, J., & Qu, W.
Affiliations
Jiangsu University (CN)
Corresponding author
Ma, Haile
Venue
LWT
Publisher
Elsevier BV
Published
2021-06
Volume
145
Pages
111320
ISSN
0023-6438 (ISSN-L)
OpenAlex
W3138952876
Cited by
81
References
57
Citations by year
2026: 11 · 2025: 17 · 2024: 19 · 2023: 19 · 2022: 11 · 2021: 4
FWCI
4.03
Type
journal article
Language
en
Open access
closed
Locations
LWT (publishedVersion)
Topics
  • Physical Sciences › Materials Science › Materials Chemistry › Ultrasound and Cavitation Phenomena
  • Life Sciences › Agricultural and Biological Sciences › Food Science › Proteins in Food Systems
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Biotechnology › Microbial Inactivation Methods
Keywords
soy protein, ultrasound-assisted extraction, ultrasonic frequency, sound field simulation, resonant frequency, extraction rate, protein structure, acoustic pressure, spectral analysis

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