Chayada Bhatpattana.. Enhancing the quality of gluten-free sponge cake using hydrocolloids. Master's Degree(Agro-Industrial Product Development). Kasetsart University. Office of the University Library. : Kasetsart University, 2023.
Enhancing the quality of gluten-free sponge cake using hydrocolloids
Abstract:
Cake is a type of air-leavened product and its quality depends on many factors, especially the ingredients used for batter preparation. Since celiac disease is a disorder of the immune system that is triggered by eating gluten, a protein found in wheat, therefore the developed gluten-free sponge cake could play an important role in bakery industry using other types of starch/flour. In addition, hydrocolloids could hold the shape of the cake and prevent its collapse during the preparation and baking processes. At first, information of market research related to cake was investigated using Mintel Global New Products Database (GNPD) and an online questionnaire for further application to enhance the quality according to consumer requirements. The data showed that cereal containing gluten, wheat, eggs and milk were the high percentage of allergic ingredients used in bakery products. Both Mintel GNPD and online surveys show that preferred cakes with a soft texture. To develop gluten-free bakery products, the non-gluten flours: potato starch (PS), tapioca starch (TS), glutinous rice flour (GRF) and rice flour (RF) were tested for their pasting properties with 10% w/w starch/flour dispersions. The RVA peak viscosity of PS and TS were higher than those of GRF and RF under the heating profile. On the cooling profiles of PS, TS and GRF, higher cooling rates enhanced the final viscosity and setback values (p ≤ 0.05). The gluten-free sponge cakes were prepared from TS to replace wheat flour. Hydrocolloids (carboxymethylcellulose (CMC), xanthan gum (Xan) and alginates (Alg)) were used to improve the quality of gluten-free sponge cake prepared from TS. The addition of CMC and Xan and Alg was performed in the formulations to improve the quality of gluten-free sponge cake. The results showed that these hydrocolloids could be used to enhance the quality of gluten-free sponge cake prepared from TS. Finally, the gluten-free sponge cakes prepared from flour blends of TS:GRF (75:25 and 50:50) with and without CMC and Xan (0.2, 0.4%) were prepared. The results showed that quality of those could be enhanced with CMC and Xan addition. The sensory scores of overall liking were higher than 7 (from 9 point hedonic scale) for flour blends of TS:GRF (75:25) with 0.2% Xan and 0.4% CMC addition. Therefore, gluten-free sponge cake could be developed using TS and TS/GRF with hydrocolloid addition.
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