A kind of gliadin-phenolic antioxidant nanoparticle and Pickering emulsion prepared therefrom
A technology of Pickering emulsion and gliadin, which is applied in the field of Pickering emulsion preparation, can solve the problems of complex anti-oil oxidation stability and poor physical stability, etc., and achieve improved anti-oxidation efficiency, high yield, Highly stable effect
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Embodiment 1
[0066] Example 1 Preparation of a Zein-Gallic Acid Composite Nanoparticle
[0067] (1) 1 g of zein powder and 3 mmol of gallic acid were dissolved in 40 mL of 70% (v / v) ethanol aqueous solution under the conditions of 60 W ultrasonic and 600 rpm stirring to obtain a zein-gallic acid ethanol solution;
[0068] (2) Add the mixed zein-gallic acid ethanol solution dropwise to 120 mL of Tween 20 aqueous solution containing 0.05 g under the condition of 200 rpm magnetic stirring to obtain the dispersed zein-gallic acid composite nanoparticles liquid;
[0069] (3) Subsequently, the nanoparticle dispersion liquid was rotary evaporated and concentrated to a volume of 50 mL, and the ethanol was removed to obtain a zein-gallic acid composite nanoparticle solution.
[0070] The average particle diameter of the zein-gallic acid composite nanoparticles prepared in this example is 70 nm. Such as figure 1 shown.
Embodiment 2
[0071] Example 2 Preparation of a Zein-Gallic Acid Composite Nanoparticle
[0072] (1) 1 g of zein powder and 3 mmol of gallic acid were dissolved in 25 mL of 90% (v / v) aqueous ethanol under conditions of 50 W ultrasound and 600 rpm stirring to obtain a zein-gallic acid ethanol solution;
[0073] (2) Add the mixed zein-gallic acid ethanol solution dropwise to 80 mL of Tween 20 aqueous solution containing 0.05 g under the condition of 200 rpm magnetic stirring to obtain the dispersed zein-gallic acid composite nanoparticles liquid;
[0074] (3) Subsequently, the nanoparticle dispersion liquid was rotary evaporated and concentrated to a volume of 50 mL, and the ethanol was removed to obtain a zein-gallic acid composite nanoparticle solution.
[0075] The average particle diameter of the zein-gallic acid composite nanoparticles prepared in this example is 170 nm. Such as figure 1 shown.
Embodiment 3
[0076] Example 3 Preparation of a Zein-Gallic Acid Composite Nanoparticle
[0077] (1) 1 g of zein powder and 3 mmol of gallic acid were dissolved in 15 mL of 90% (v / v) aqueous ethanol under conditions of 50 W ultrasound and 600 rpm stirring to obtain a zein-gallic acid ethanol solution;
[0078] (2) Add the mixed zein-gallic acid ethanol solution dropwise to 65 mL of Tween 20 aqueous solution containing 0.05 g under the condition of 200 rpm magnetic stirring to obtain zein-gallic acid composite nanoparticle dispersion liquid;
[0079] (3) Subsequently, the nanoparticle dispersion liquid was rotary evaporated and concentrated to a volume of 50 mL, and the ethanol was removed to obtain a zein-gallic acid composite nanoparticle solution.
[0080] The average particle diameter of the zein-gallic acid composite nanoparticles prepared in this example is 300 nm. Such as figure 1 shown.
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