Effect of sourdough addition on rheology of whole wheat and gluten-free dough (CROSBI ID 588875)
Prilog sa skupa u zborniku | izvorni znanstveni rad | međunarodna recenzija
Podaci o odgovornosti
Novotni, Dubravka ; Tušak, Dubravka ; Čukelj, Nikolina ; Smerdel, Bojana ; Drobac, Lidija ; Ćurić, Duška
engleski
Effect of sourdough addition on rheology of whole wheat and gluten-free dough
We investigated the effect of starter culture strain and the amount of added sourdough on whole wheat and gluten-free dough rheology. Wheat sourdough was fermented with Lactobacillus plantarum, Lactobacillus brevis or Leuconostoc mesenteroides mixed with Candida milleri in ratio 100:1 cfu/g, and gluten-free sourdough was fermented with Lactobacillus fermentum. Sourdough was added in bread dough at four levels: 7.5 ; 15 ; 22.5 or 30 %. We determined total titrable acidity, lactic and acetic acid concentration of sourdough, and bread dough rheology by texture analyser. Total acidity of sourdough samples was similar but acetic acid was significantly lower in Lb. plantarum sourdough. Wheat dough rheology was only affected by sourdough amount and did not differ between starters. In average, dough hardness, resilience and gumminess decreased by 46%, 17% and 45%, respectively, by adding 30% of sourdough. Similarly, dough rheology parameters negatively correlated to total acidity, lactic and acetic acid concentration in sourdough. In contrast, hardness and adhesiveness of gluten-free dough rheology was less affected by sourdough addition. Nevertheless, resilience, springiness and gumminess of gluten-free dough decreased for 21%, 33% and 28% by adding 30% of sourdough. The results indicate that gluten-free dough tolerates much higher sourdough level than whole wheat dough.
sourdough; dough rheology; starter culture; gluten-free; whole wheat
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Podaci o prilogu
173-179.
2012.
objavljeno
Podaci o matičnoj publikaciji
Proceedings of 6th International Congress Flour- Bread '11 and 8th Croatian Congress of Cereal Technologists
Daliborka Koceva Komlenić
Osijek: Grafika Osijek
Podaci o skupu
Nepoznat skup
poster
29.02.1904-29.02.2096