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Extraktion av proteiner från olika råvaror för humankonsumtion
University of Borås, Faculty of Textiles, Engineering and Business.
2020 (Swedish)Independent thesis Basic level (university diploma), 180 HE creditsStudent thesisAlternative title
Extraction of proteins from raw materials for human consumption (English)
Abstract [sv]

Som följd av dagens ökning i global befolkning och köttproduktion är alternativa hållbara köttsubstitut mycket eftertraktat. Som basal råvara kan växter eller mikrobiella produkter utnyttjas för proteinrika hållbara livsmedelsprodukter. Detta arbete syftar till att undersöka olika proteinextraktionsmetoder som i nuläget används för att erhålla ett proteinisolat som kan ha användning i livsmedelsindustrin. Utvalda råvaror som kommer studeras och diskuteras är ärta, quinoa, mjölmask och filamentösa svampar. Allmän information för varje råvara diskuteras men fokus har lagts på att studera processer för att extrahera proteiner till ett isolat från råvarorna. Arbetet inkluderar generella tillvägagångssätt vad gäller proteinextraktion likväl som mer specifika metoder från enskilda försök att extrahera ett visst protein.

Slutligen jämförs val av extraktionsmetoder och vilka råvaror som idag är i kommersiellt bruk och reflekterande tankar om varför inte vissa råvaror hunnit lika långt i utvecklingen i proteinextraktion som andra.

Abstract [en]

As a result of today's increase in global population and meat production, alternative and more sustainable meat substitutes are highly sought after. As a basic raw material, plants or microbial products can be utilized for protein-rich sustainable food products. This work aims to investigate various protein extraction methods currently used to obtain a protein isolate that can be of use in the food industry. Selected raw materials studied and discussed are pea, quinoa, flour worm and filamentous fungus. General information for each raw material is discussed, however focus has been on studying processes for extracting proteins into an isolate from the raw materials. The work includes general methods to protein extraction as well as more specific methods from individual attempts to extract a specific protein.

Finally, the extraction methods are compared, the raw materials that are currently in commercial use are discussed as well as thoughts why some raw materials have not progressed as far in protein extraction as others are compared.

Place, publisher, year, edition, pages
2020.
Keywords [sv]
proteinextraktion, alkalisk extraktion, protein, isolat, mjölmask, filamentös svamp, mykoprotein, solubilisering, avfettat mjöl, quinoa, ärta, isoelektrisk punkt, dispergera och supernatant
National Category
Engineering and Technology
Identifiers
URN: urn:nbn:se:hb:diva-23318OAI: oai:DiVA.org:hb-23318DiVA, id: diva2:1444983
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Available from: 2020-06-25 Created: 2020-06-22 Last updated: 2025-09-24Bibliographically approved

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