Preparation of Low Glycemic Index Multigrain Steamed Bun
2022
Sanshan ZHANG | Mengling YU | Ji LEI | Qiao ZHANG | Xian LI | Yujie HE
Objective: Aiming at the high incidence of chronic diseases such as obesity and diabetes, a kind of multigrain steamed bun with low glycemic index (GI) was prepared. Methods: Considering the factors of reducing GI, the whole wheat flour and buckwheat flour were used as the main raw materials, combined with pomelo, whole chia seeds, inulin, as well as the starch retrogradation treatment to make multigrain steamed bun. GI value, sensory evaluation, texture properties and resistant starch (RS) were taken as evaluation indexes. Results: The best method for processing low GI steamed bun was as follows: Taking whole wheat flour and buckwheat flour with the ratio of 7:3 as steamed bun mixed flour, 30% whole chia seeds and 9% inulin were added into the mixture, 40% pomelo was used to replace part of the dough water, and refrigerated the steamed bun at 4 ℃ for 24 h. The multigrain steamed bun prepared under this condition had a regular shape, smooth and shiny surface with good chewiness, with a resistant starch content of 1.61% and a sensory score of 85.30. The GI value was 53.98, which was 38.9% lower than that of the traditional steamed bun, and met the requirements of low GI food. Conclusion: This process could not only greatly reduce the GI value of steamed bun, but also ensure good taste of the product, which could provide a reference for the development of low GI foods.
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