Article (Scientific journals)
Do puroindolines affect the impact of enzymatic lipid hydrolysis on loaf volume in bread making?
Melis, Sara; Verbauwhede, Brecht C.; Van de Vondel, Julie et al.
2019In Food Chemistry, 301
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Keywords :
Dough lipid population; Gas cell stabilization; Gluten-starch blends; Lipases; Near-isogenic wheat lines; Breadmaking; Food products; Gases; Phase interfaces; Stabilization; Starch; Gas cell; Haplotypes; Isogenic wheat; Puroindolines; Starch blends; Surface-active compounds; Enzymatic hydrolysis; Article; Triticum aestivum
Abstract :
[en] This paper is the first to study whether and how interactions between puroindolines (PINs) and lipids affect bread loaf volume (LV). Flour from near-isogenic wheat lines differing in PIN haplotype and lipases were used in bread making. That lipase impact on LV strongly depended on the flour used supported the hypothesis that PINs modify the impact of enzymatic lipid hydrolysis on LV. In dough prepared from gluten-starch blends (GSB) differing in PIN levels, PINs did not affect enzymatic lipid hydrolysis itself. Gas cells in these GSB doughs were apparently not surrounded by surface-active compounds so that the impact of PIN-lipid interactions on LV could not be evaluated. This allowed concluding that lipase impact on LV is exclusively related to stabilization of gas cell interfaces in dough since lipase application did not change GSB LVs. Our results advance knowledge on PIN-lipid interactions and the impact of lipases in bread making. © 2019 Elsevier Ltd
Disciplines :
Phytobiology (plant sciences, forestry, mycology...)
Agriculture & agronomy
Author, co-author :
Melis, Sara;  Katholieke Universiteit Leuven - KUL
Verbauwhede, Brecht C.;  Katholieke Universiteit Leuven - KUL
Van de Vondel, Julie;  Katholieke Universiteit Leuven - KUL
Meza Morales, Walter Rodrigo ;  Université de Liège - ULiège
Delcour, Jan A.;  Laboratory of Food Chemistry and Biochemistry (LFCB) and Leuven Food Science and Nutrition Research Centre (LFoRCe), KU Leuven, Kasteelpark Arenberg 20 Box 2486, Leuven, B-3001, Belgium
Language :
English
Title :
Do puroindolines affect the impact of enzymatic lipid hydrolysis on loaf volume in bread making?
Publication date :
2019
Journal title :
Food Chemistry
ISSN :
0308-8146
eISSN :
1873-7072
Publisher :
Elsevier Ltd
Volume :
301
Peer reviewed :
Peer Reviewed verified by ORBi
Available on ORBi :
since 01 November 2019

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