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Abstract Title:

Effect of (-)-epigallocatechin gallate (EGCG) extracted from green tea in reducing the formation of acrylamide during the bread baking process.

Abstract Source:

Food Chem. 2018 Mar 1 ;242:162-168. Epub 2017 Sep 12. PMID: 29037673

Abstract Author(s):

Zhengjie Fu, Michelle J Y Yoo, Weibiao Zhou, Lei Zhang, Yutao Chen, Jun Lu

Article Affiliation:

Zhengjie Fu

Abstract:

This is the first study to investigate the extent of reduction in acrylamide formation during baking with the addition of (-)-epigallocatechin gallate (EGCG) extracted from green tea, and to determine whether EGCG influences the texture and colour attributes of bread, or interacts with other ingredients. EGCG powders were added to white bread formulations at the concentrations of 3.3, 6.6 and 9.9g·kg(-1). The amount of acrylamide in the bread was analysed using liquid chromatography-mass spectrometry. EGCG addition significantly reduced the acrylamide formation by 37% compared to the control and decreased the moisture content of the bread by 6%. It did not affect its texture attribute, butincreased the lightness and the yellowness and decreased the redness of bread crust (with contrasting results in crumb). It also decreased granule size and porosity. In conclusion, EGCG fortification is a feasible method to decrease acrylamide formation in baked bread.

Study Type : In Vitro Study

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Sayer Ji
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