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Effects of Emulsifier Types and Levels in Combination with Glycerol on the Gelatinization and Retrogradation Properties of Gluten‐free Rice‐based Wonton Wraps

Abstract

A gluten‐free diet is a treatment for celiac disease and gluten‐related disorders. Gluten‐free wontons can be prepared; however, their quality changes during storage. The objective of this research was to investigate the effects of emulsifier types and levels combined with glycerol on the gelatinization and retrogradation properties of rice‐based wonton wraps compared with control samples. Four emulsifiers were used in this study, namely glycerol monostearate (GMS), diacetyl tartaric esters of mono‐ and diglycerides (DATEM), and distilled monoglycerides (DMG). A differential scanning calorimeter (DSC) was used to determine the gelatinization and retrogradation properties. The results showed that the addition of glycerol alone (Ctrl 2) or in combination with emulsifier could decrease retrograded enthalpy, and a greater effect on retrogradation reduction was found in the samples incorporating both glycerol and an emulsifier. The highest enthalpy of retrograded samples was presented in Ctrl 1 (no addition of glycerol and/or emulsifier), and the lowest retrograded enthalpy was found in the sample with 1% DMG and glycerol. The formation of the amylose‐lipid complex (ALC) was suppressed by glycerol. An efficient emulsifier to inhibit starch retrogradation in gluten‐free wonton wraps was DMG.

Authors:   Petcharat Prakaywatchara, Chatchai Wattanapairoj, Doungjai Thirathumthavorn
Journal:   Starch - Stärke
Year:   2017
Pages:   n/a
DOI:   10.1002/star.201700227
Publication date:   30-Dec-2017
Facts, background information, dossiers
  • glycerol
  • samples
  • enthalpy
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