Effects of starch degradation and starch-lipid complexes recombination on starch digestion under cold plasma
Yuan Jiang1, Xingrong Pan1, Yuanfang Sun1
1College of Food Science, Guangdong Pharmaceutical University, Zhongshan, 528458, China.
Abstract:
Starch-lipid complexes have garnered significant interest as functional ingredients due to their potential applications as resistant starches, fat substitutes, and food improvers. However, the efficiency of the traditional starch-lipid complexes method for preparation is limited. Therefore, this study aimed to investigate the effects of cold plasma (DBD-CP) treatment on the structure, physicochemical properties, and digestive characteristics of the starch (MBS) and lauric acid (LA) complex. The complexes exhibited a V-type crystal structure and an enhanced short-range molecular order. Compared to the conventional starch-lauric acid complexes, the modified complexes demonstrated superior thermal stability, favorable pasting properties, and enhanced resistance to enzymatic hydrolysis. These findings demonstrate that DBD-CP pretreatment is a promising strategy for enhancing the functionality of starch-lauric acid complexes, particularly by increasing the resistant starch content and modulating digestibility. Furthermore, the CP treatment condition of 40 W for 9 min was identified as the most effective.
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