Cited by 58Coffee research and impactsFood composition and propertiesAgricultural and Biological Research

Green extraction of soluble dietary fibre from coffee silverskin: impact of ultrasound/microwave-assisted extraction

Wen, Le, Zhang, Zhihang, Zhao, Ming, Senthamaraikannan, Ramsankar, Padamati, Ramesh Babu, Sun, Da‐Wen, Tiwari, Brijesh K.·2020·International Journal of Food Science & Technology

Abstract

Abstract Coffee silverskin (CSS), a potential source of soluble dietary fibre (8%–11%), is a major coffee by‐product obtained during the coffee roasting process. Ultrasound‐assisted extraction (UAE) and microwave‐assisted extraction (MAE) have been considered as efficient and economic novel extraction techniques. In this study, UAE, MAE and simultaneous ultrasound–microwave‐assisted extraction (UMAE) techniques were investigated for soluble dietary fibre (SDF) extraction from CSS and compared with conventional solvent extraction (CSE). The highest recovery rate of SDF was accomplished by UMAE (42.7 ± 0.4%), which was 1.5‐fold, 1.9‐fold and 1.2‐fold of the recovery rates achieved by CSE, UAE and MAE, respectively. The extraction time of UMAE was 20 min, which was the same as UAE and MAE, and 4.5‐fold less than CSE. It implied that the combination of UAE and MAE could enhance the extraction process by increasing the recovery rate as well as by reducing extraction time as compared with CSE or other individual novel extraction methods applied. Nutritional composition and physicochemical characteristics of the SDF extracts from CSS were also investigated in the study.

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Crossref · 10.1111/ijfs.14477

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Authors
Wen, L., Zhang, Z., Zhao, M., Senthamaraikannan, R., Padamati, R. B., Sun, D., & Tiwari, B. K.
Affiliations
  • University College Dublin (IE)
  • Teagasc Food Research Centre Ashtown Dublin 15 Ireland
  • Teagasc - The Irish Agriculture and Food Development Authority (IE)
  • Trinity College Dublin (IE)
Corresponding author
Sun, Da‐Wen
Venue
International Journal of Food Science & Technology
Published
2020-01-21
Volume
55
Issue
5
Pages
2242-2250
ISSN
  • 0950-5423 (ISSN-L)
  • 1365-2621
OpenAlex
W2995796387
Cited by
58
References
43
Citations by year
2026: 12 · 2025: 6 · 2024: 8 · 2023: 12 · 2022: 10 · 2021: 7 · 2020: 3
FWCI
3.10
Type
journal article
Language
en
Open access
closed
Locations
International Journal of Food Science & Technology (publishedVersion)
Funders
  • Horizon 2020 (654623)
  • University College Dublin
  • Teagasc
Topics
  • Health Sciences › Medicine › Pharmacology › Coffee research and impacts
  • Health Sciences › Nursing › Nutrition and Dietetics › Food composition and properties
  • Life Sciences › Agricultural and Biological Sciences › Food Science › Agricultural and Biological Research
Keywords
coffee silverskin, soluble dietary fiber, ultrasound-assisted extraction, microwave-assisted extraction, green extraction, coffee by-products, extraction time reduction, nutritional composition, physicochemical properties

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