Evaluation of effects of adding different resistant starches on firmness and stickiness of dough by NMR during proofing - Details

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Abstract：

Low　field　nuclear　magnetic　resonance　(NMR)　was　used　to　study　the　effects　of　different　contents　and　types　of　resistant　starch　(RS)　on　dough　quality.　Inverse　recovery　(IR)　sequence　was　used　to　acquire　samples＇　NMR　relaxation　data　during　dough　proofing.　Firmness　and　stickiness　were　measured　by　a　Texture　Analyzer.　An　increasing　trend　of　firmness　and　stickiness　was　observed　as　the　content　of　resistant　starch　was　increased　in　the　dough.　Data　showed　that　the　appropriate　RS　content　in　the　dough　was　5%(g/g).　From　magnetic　resonance　imaging　(MRI),　the　moisture　migration　and　distribution　were　quite　uniform　after　1-2　h　during　proofing　process.　This　study　showed　the　advantage　of　using　NMR　technology　to　monitor　dough　quality,　and　this　method　could　be　used　for　the　development　of　dough-based　products　containing　RS　in　food　industry.

Keyword：

MRI; NMR; Relaxation time; Resistant starch; Spin-lattice relaxation time

Community：

[ 1 ] [Lin, X.]College of Biological Science and Technology, Fuzhou University, Fuzhou 55108, China
[ 2 ] [Lin, X.]Department of Bioproducts and Biosystems Engineering, University of Minnesota, St. Paul, MN 55108, United States
[ 3 ] [Lin, X.]Department of Food Science and Engineering, Fuzhou University, China
[ 4 ] [Zhang, J.]State Key Laboratory of Food Science and Technology, Nanchang University, Nanchang 330047, China
[ 5 ] [Lei, H.]Department of Biological Systems Engineering, Washington State University, Richland, WA 99354, United States
[ 6 ] [Jin, Z.]State Key Laboratory of Food Science and Technology, Nanchang University, Nanchang 330047, China
[ 7 ] [Chen, P.]Department of Bioproducts and Biosystems Engineering, University of Minnesota, St. Paul, MN 55108, United States
[ 8 ] [Ruan, R.]State Key Laboratory of Food Science and Technology, Nanchang University, Nanchang 330047, China
[ 9 ] [Ruan, R.]Department of Bioproducts and Biosystems Engineering, University of Minnesota, St. Paul, MN 55108, United States

Reprint 's Address：

[Ruan, R.]State Key Laboratory of Food Science and Technology, Nanchang University, Nanchang 330047, China

Email：

ruanx001@umn.edu

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Source ：

International Agricultural Engineering Journal

ISSN： 0858-2114

Year： 2010

Issue： 4

Volume： 19

Page： 23-30

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SCOPUS Cited Count：

ESI Highly Cited Papers on the List： 0 Unfold All

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Chinese Cited Count：

30 Days PV： 1

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