Abstract
This study aimed to evaluate the properties of amylose–lipid complexes in rice and wheat flours utilizing pullulanase as a debranching enzyme. Rice and flour were both treated with pullulanase before being combined with free fatty acids to form compounds denoted as RPF (rice-pullulanase-fatty acid) and FPF (flour-pullulanase-fatty acid), respectively. Our results showed that RPF and FPF had higher complex index and lower hydrolysis values than enzyme-untreated amylose–lipid complexes. Furthermore, RPF and FPF demonstrated lower swelling power and higher water solubility values, indicating changes in the physical properties of the starches. In vivo studies showed that RPF and FPF caused a smaller increase in blood glucose levels than untreated rice and flour, highlighting their potential use as functional food ingredients. These findings provide valuable information for the development of novel rice-and wheat-based foods with improved nutritional and physiological properties.
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Acknowledgements
This work was supported by a grant (Graduate School Education Program of Regulatory Sciences for Functional Food, 21153MFDS604) from the Ministry of Food and Drug Safety of the Republic of Korea. This research was supported by the BK21 FOUR (Fostering Outstanding Universities for Research) funded by the Ministry of Education (MOE, Korea) and National Research Foundation of Korea (NRF).
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Lee, S.H., Huang, W.Y., Hwang, J. et al. Characteristics of amylose–lipid complex prepared from pullulanase-treated rice and wheat flour. Food Sci Biotechnol 33, 1113–1122 (2024). https://doi.org/10.1007/s10068-023-01411-0
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DOI: https://doi.org/10.1007/s10068-023-01411-0