Cited by 144Food Drying and ModelingMicrobial Inactivation MethodsUltrasound and Cavitation Phenomena

Effect of multi-mode dual-frequency ultrasound pretreatment on the vacuum freeze-drying process and quality attributes of the strawberry slices

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Xu, Baoguo, Chen, Jianan, Sylvain Tiliwa, Essodézam, Yan, Weiqiang, Roknul Azam, S.M., Yuan, Jun, Wei, Benxi, Zhou, Cunshan +1 more·2021·Ultrasonics Sonochemistry

Abstract

The effects of osmotic pretreatment assisted by ultrasound in different frequency modes before vacuum freeze-drying (VFD) on moisture migration and quality characteristics of strawberry slices were investigated. The frequency modes are single-frequency modes under 20, 40 kHz (SM-20, SM-40), and dual-frequency under 20/40 kHz including sequential mode (SeDM) and simultaneous mode (SiDM). The quality characteristics of dried strawberry products including rehydration, hardness, color, flavor, total anthocyanins, total phenols, vitamin C content, and active antioxidant components (DPPH and -OH) were determined. Results showed that drying time of the strawberry slices irradiated by ultrasound was reduced by 15.25%-50.00%, compared to the control samples. Besides, dual-frequency ultrasound shortened the drying time more than single-frequency ultrasound. The drying time of SeDM was the shortest. In addition to vitamin C content, the quality characteristics including rehydration, hardness, color, flavor, total anthocyanins, total phenols, and antioxidant activity of dried strawberry products pretreated by SeDM were significantly (p < 0.05) better than those of control and other pretreated samples. It can be concluded that the SeDM was an effective pretreatment method to produce high-quality vacuum freeze-dried strawberry products.

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  1. [50]Song X. Hu H. Zhang B. Drying characteristics of Chinese Yam (Dioscorea opposita Thunb.) by far-infrared radiation and heat pump, Journal of the Saudi Society of Agric. Sci. 17 2018 290 296

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Authors
Xu, B., Chen, J., Sylvain Tiliwa, E., Yan, W., Roknul Azam, S. M., Yuan, J., Wei, B., Zhou, C., & Ma, H.
Affiliations
  • Jiangsu University (CN)
  • Shanghai Academy of Agricultural Sciences (CN)
  • Huai'an University (CN)
Corresponding author
Xu, Baoguo
Venue
Ultrasonics Sonochemistry
Publisher
Elsevier BV
Published
2021-10
Volume
78
Pages
105714
ISSN
1350-4177 (ISSN-L)
OpenAlex
W3190142366
Cited by
144
References
54
Citations by year
2026: 14 · 2025: 31 · 2024: 32 · 2023: 30 · 2022: 29 · 2021: 8
FWCI
14.78
Type
journal article
Language
en
Open access
Locations
  • Ultrasonics Sonochemistry (publishedVersion, cc-by-nc-nd)
  • PubMed Central (publishedVersion, cc-by-nc-nd)
  • PubMed (publishedVersion)
  • DOAJ (DOAJ: Directory of Open Access Journals) (submittedVersion, cc-by-sa)
Funders
  • China Postdoctoral Science Foundation (31801561, SZ-HZ202002, 2020T130261, 2019T120401)
  • Huaiyin Institute of Technology
  • Jiangsu Key Laboratory of Regional Resource Exploitation and Medicinal Research
Topics
  • Life Sciences › Agricultural and Biological Sciences › Food Science › Food Drying and Modeling
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Biotechnology › Microbial Inactivation Methods
  • Physical Sciences › Materials Science › Materials Chemistry › Ultrasound and Cavitation Phenomena
Keywords
vacuum freeze-drying, ultrasonic pretreatment, dual-frequency ultrasound, osmotic pretreatment, moisture migration, drying time, rehydration, hardness, color, flavor, anthocyanins, total phenolic content, vitamin C, antioxidant activity, dried fruit quality
MeSH terms
Ultrasonic Waves, Anthocyanins, Antioxidants, Ascorbic Acid, Desiccation, Flavoring Agents, Freeze Drying, Phenols, Vacuum, Fragaria

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