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In-vitro digestion models: a critical review for human and fish and a protocol for in-vitro digestion in fish
University of Borås, Faculty of Textiles, Engineering and Business. (Swedish Centre for Resource Recovery)
University of Borås, Faculty of Textiles, Engineering and Business. (Swedish Centre for Resource Recovery)
University of Borås, Faculty of Textiles, Engineering and Business. (Swedish Centre for Resource Recovery)
University of Borås, Faculty of Textiles, Engineering and Business. (Swedish Centre for Resource Recovery)ORCID iD: 0000-0003-4887-2433
2021 (English)In: Bioengineered, ISSN 2165-5979, E-ISSN 2165-5987, Vol. 12, no 1, p. 3040-3064Article in journal (Refereed) Published
Sustainable development
According to the author(s), the content of this publication falls within the area of sustainable development.
Abstract [en]

Digestive systems in human, animals, and fish are biological reactors and membranes to digest food and extract nutrients. Therefore, static and dynamic models of in-vitro digestion systems are developed to study e.g. novel food and feed before in-vivo studies. Such models are well developed for human, but not to the same extent for animals and fish. On the other hand, recent advances in aquaculture nutrition have created several potential fish meal replacements, and the assessment of their nutrient digestibility is critical in the application as a fish meal replacement. Using an in-vitro method, the assessment of an ingredient digestibility could be faster and less expensive compared to using an in-vivo experiment. An in-vitro method has been widely used to assess food nutrient digestibility for humans; however, its application for fish is still in the early stages. Both the human and fish as monogastric vertebrates share similar gastrointestinal systems; thus, the concept from the application for humans could be applied for fish. This review aims to improve the in-vitro digestion protocol for fish by adapting the concept from then study for humans, summarizing the current available in-vitro digestion model developed for human and fish in-vitro digestion study, identifying challenges specifically for fish required to be tackled and suggesting an engineering approach to adapt the human in-vitro gastrointestinal model to fish. Protocols to conduct in-vitro digestion study for fish are then proposed.

Place, publisher, year, edition, pages
2021. Vol. 12, no 1, p. 3040-3064
Keywords [en]
Bioreactors, in-vitro digestion, gastrointestinal model, fish meal replacement, protein digestibility
National Category
Food Engineering
Research subject
Resource Recovery
Identifiers
URN: urn:nbn:se:hb:diva-26048DOI: 10.1080/21655979.2021.1940769ISI: 000668368600001PubMedID: 34187302Scopus ID: 2-s2.0-85109094984OAI: oai:DiVA.org:hb-26048DiVA, id: diva2:1579927
Available from: 2021-07-12 Created: 2021-07-12 Last updated: 2022-06-30

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Wang, RickyMohammadi, MahtabMahboubi, AmirTaherzadeh, Mohammad J

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