Abstract
For Pickering emulsifying effect, starch must be subjected to the pretreatments of acid hydrolysis, esterification, which are complicated and eco-unfriendly. In this study, a practical and green strategyto fabricate Pickering emulsion gels with dihydromyricetin (DMY)/high-amylose corn starch (HCS) composite particles was introduced for the first time. The DMY content in composite particles and the amount of addition of composite particles had obvious synergistic effect on the formation and properties of emulsion gels. The obtained emulsion gels were not sensitive to ionic strength, which could be attributed to emulsifying capacity and viscosity effect of composite particles. The spectral analysis confirmed the presence of DMY/amylose host-guest supramolecules. The molecular simulation of the supramolecular complexes in the oil-water system indicated that these complexes could spontaneously aggregate and anchor to the oil-water interface, reducing the interfacial tension. Based on experimental and theoretical results, the multi-scale relationship of “molecular interaction–particle characteristics–gel properties” was established.
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