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Updated: Oct 8, 2025

In vitro Digestion of Emulsions in a Single Droplet via Multi Subphase Exchange of Simulated Gastrointestinal Fluids
Published on: November 18, 2022
Regulation mechanism of myofibrillar protein emulsification mode by adding psyllium (Plantago ovata) husk
Ting Shao1, Yang Zhou1, Hongjie Dai1
1College of Food Science, Southwest University, Chongqing 400715, China.
Abstract:
Psyllium husk (PH) is an excellent source of dietary fiber with strong water-absorption and viscosity. This work systemically investigated the regulation mechanism of myofibrillar protein (MP) emulsification mode by adding psyllium husk as composite emulsifiers to prepare O/W emulsions. The results showed that the physical stability of emulsions was improved by adding PH (0.1%-0.8%). The results of contact angle, interfacial tension and confocal laser scanning microscopy (CLSM) indicated that the stability mechanism of emulsions was affected by the addition of PH. At a low PH addition (0.1%), the adsorption of MP at the oil-water interface was enhanced, thus forming an elastic interfacial film that improves the stability of emulsions. However, when the PH addition increased to 0.8%, excess addition of pH even hindered the interfacial adsorption of MP. Notably, the pseudoplasticity and viscosity of emulsions increased due to the addition of PH, thus inhibiting the migration and aggregation of droplets.
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