Effects of sprouting and fermentation on free asparagine and reducing sugars in wheat, einkorn, oat, rye, barley, and buckwheat and on acrylamide and 5-hydroxymethylfurfural formation during heating

dc.contributor.authorYıltırak, Süleyman
dc.contributor.authorKocadağlı, Tolgahan
dc.contributor.authorÇelik, Ecem Evrim
dc.contributor.authorÖzkaynak Kanmaz, Evrim
dc.date.accessioned2021-09-09T06:41:52Z
dc.date.available2021-09-09T06:41:52Z
dc.date.issued2021
dc.departmentAÇÜ, Sağlık Bilimleri Fakültesi, Beslenme ve Diyetetik Bölümüen_US
dc.description.abstractUsage of sprouted grains is an increasing trend in thermally processed foods. Sprouting alters the composition of sugars and amino acids, which are Maillard reaction precursors. Free asparagine, total free amino acids, and sugars were monitored during sprouting and yeast and sourdough fermentations. Acrylamide and 5-hydroxymethylfurfural (HMF) were analyzed in heated samples. The asparagine concentration decreased up to 40% after 24-36 h of sprouting, except for buckwheat, and then increased to the initial concentration after 48 h and several folds after 72 h. The increased amount of reducing sugars after sprouting caused higher acrylamide and HMF formation even if the asparagine concentration was lower. Acrylamide and HMF formation decreased after fermentation of sprouted wholemeal because sugars and asparagine were consumed by yeast. A pH drop of 3 units by sourdough fermentation decreased acrylamide formation but increased HMF formation. Results indicated that sprouted cereal products should be produced under controlled conditions to be used in heated foods.
dc.identifier.citationYıltırak, S., Kocadağlı, T., Çelik, E. E., Özkaynak Kanmaz, E., & Gökmen, V. (2021). Effects of Sprouting and Fermentation on Free Asparagine and Reducing Sugars in Wheat, Einkorn, Oat, Rye, Barley, and Buckwheat and on Acrylamide and 5-Hydroxymethylfurfural Formation during Heating. Journal of Agricultural and Food Chemistry.en_US
dc.identifier.doi10.1021/acs.jafc.1c03316
dc.identifier.scopusqualityQ1
dc.identifier.urihttps://hdl.handle.net/11494/3408
dc.identifier.volumeArticle in presen_US
dc.identifier.wosqualityQ1
dc.indekslendigikaynakWeb of Science
dc.indekslendigikaynakScopus
dc.indekslendigikaynakPubMed
dc.institutionauthorÖzkaynak Kanmaz, Evrim
dc.language.isoenen_US
dc.publisherAmerican Chemical Societyen_US
dc.relation.ispartofJournal of Agricultural and Food Chemistry
dc.relation.publicationcategoryMakale - Uluslararası Hakemli Dergi - Kurum Öğretim Elemanıen_US
dc.rightsinfo:eu-repo/semantics/closedAccessen_US
dc.subjectAcrylamideen_US
dc.subjectAsparagineen_US
dc.subjectBaker's yeasten_US
dc.subjectGerminationen_US
dc.subjectMaltingen_US
dc.subjectSourdough fermentationen_US
dc.titleEffects of sprouting and fermentation on free asparagine and reducing sugars in wheat, einkorn, oat, rye, barley, and buckwheat and on acrylamide and 5-hydroxymethylfurfural formation during heatingen_US
dc.typeArticle

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