Impact of stabilizing methods on the in vitro protein digestibility of Ulva fenestrata

dc.contributor.authorHelgesson, Klara
dc.contributor.departmentChalmers tekniska högskola / Institutionen för life sciencessv
dc.contributor.departmentChalmers University of Technology / Department of Life Sciencesen
dc.contributor.examinerUndeland, Ingrid
dc.contributor.supervisorVall-Llosera Juanola, Mar
dc.contributor.supervisorLarsson, Karin
dc.date.accessioned2024-10-31T10:25:49Z
dc.date.available2024-10-31T10:25:49Z
dc.date.issued2024
dc.date.submitted
dc.description.abstractThe seaweed Ulva fenestrata has gained interest from a dietary perspective due to its promising protein content, well-balanced amino acid composition and high levels of vitamin B12. It is however highly perishable and needs to be stabilized quickly after harvesting. Rinsing is often employed before stabilizing. Existing studies have reported a low or moderate digestibility for crude seaweed proteins, but there is a lack of studies exploring how the digestibility U. fenestrata proteins is affected by stabilizing methods. Time and temperature are two critical factors decisive for whether the digestibility is improved or impaired during processing. In this thesis, the effect of a selection of stabilizing methods on the in vitro protein digestibility of U. fenestrata was studied. A modified INFOGEST 2.0 static in vitro digestibility protocol was used, including casein as a reference. It was concluded that the chosen stabilizing methods did not alter the protein digestibility, and can be used without compromising the nutritional quality of the seaweed proteins. Future prospects and method improvements were discussed.
dc.identifier.coursecodeBBTX03
dc.identifier.urihttp://hdl.handle.net/20.500.12380/308955
dc.language.isoeng
dc.setspec.uppsokLifeEarthScience
dc.subjectUlva fenestrata
dc.subjectstatic in vitro digestion
dc.subjectINFOGEST 2.0
dc.subjectprotein
dc.subjectdegree of hydrolysis
dc.titleImpact of stabilizing methods on the in vitro protein digestibility of Ulva fenestrata
dc.type.degreeExamensarbete för masterexamensv
dc.type.degreeMaster's Thesisen
dc.type.uppsokH
local.programmeBiotechnology (MPBIO), MSc
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