Journal
FOOD CHEMISTRY
Volume 211, Issue -, Pages 27-33Publisher
ELSEVIER SCI LTD
DOI: 10.1016/j.foodchem.2016.05.031
Keywords
GMP; Steamed bread quality; Frozen dough; Elasticity; Gassing property
Funding
- China Scholarship Council
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Depolymerization of glutenin macropolymers (GMP) widely exists in the frozen dough with little effort in elucidating its effects on steamed bread quality. To clarify this, GMP was fractionated from wheat flour and reconstituted to yeast and chemical leavened dough (YLD/CLD). Results showed that with supplementary GMP fraction, depolymerization degree was alleviated in frozen dough. The bread quality loss from freezing was partially counteracted along with better preserved GMP content. Both of dough elasticity and gas retention capability were enhanced in GMP-enriched frozen dough. Gassing power in frozen YLD decreased while remained constant in CLD. Addition of GMP did not affect the gassing power, which allowed interpreting the improved bread qualities from the enhanced dough elasticity and gas retention capability. Based on the improved facts of frozen steamed bread dough quality with additional GMP fractions, this study revealed the pivotal role of GMP depolymerization on the frozen steamed bread dough quality. (C) 2016 Elsevier Ltd. All rights reserved.
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