To elucidate the solubilization mechanism of composite citrus essential oils in Tween 80 micelles, aiming to overcome limitations in transparent beverage formulations and advance green microemulsion design.Using sweet orange, tangerine, and lemon essential oils as models, log P values and maximum solubilization capacities were determined.Thermodynamic behaviors, interfacial properties, and micellar structural evolution during solubilization were systematically analyzed via isothermal titration calorimetry (ITC), contact angle tensiometer, and small-angle X-ray scattering (SAXS).Essential oils with lower log P values exhibited reduced critical micelle concentrations, correlating with enhanced solubilization efficiency.The ITC and SAXS results revealed that amphiphilic compounds induced a structural transition from spherical to ellipsoidal micelles, accompanied by a significant increase in solubilization capacity.Optimizing micellar self-assembly by modulating polar components of essential oils to reduce log P values offers a novel strategy for designing transparent and sustainable microemulsion systems, with practical implications for citrus-flavored functional beverages.
WU Xiaoyan
,
CHEN Ling
,
LIU Fei
,
XU Feifei
,
ZHONG Fang
. Preparation and related mechanism exploration of transparent microemulsion of compound citrus essential oil[J]. Food and Fermentation Industries, 2025
, 51(23)
: 187
-193
.
DOI: 10.13995/j.cnki.11-1802/ts.042313
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