Method for preparing phase-change-adjustable emulsion gel type fat substitute and application
A technology for fat substitutes and emulsion gels, which is applied in the field of preparation of phase change-adjustable emulsion gel fat substitutes, which can solve product taste and health problems, reduce the amount of oil-soluble small-molecule gels used, limit oil Gel application range and other issues
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[0058] Example 1
[0059] A method for preparing an emulsion-gel-type fat substitute with adjustable phase transition, comprising the steps of:
[0060] (1) Weigh 10 parts of ethyl cellulose and 2 parts of glycerol monostearate and dissolve them in 88 parts of soybean oil at 150°C, and place them in a water bath at 70°C after stirring for 10 minutes to obtain an oil solution;
[0061] (2) dissolve 10 parts of gelatin in 90 parts of hot water at 70°C, and stir for 10 minutes to obtain an aqueous solution;
[0062] (3) the oil solution of step (1) and the aqueous solution of step (2) are uniformly mixed according to the mass ratio of 4:6, and the mixed solution is emulsified for 2min with a high-speed homogenizer at a speed of 10000rpm to obtain an emulsion; then the obtained The emulsion was stirred at a low speed of 400 rpm at room temperature until the system gelled for emulsification to obtain an oil-in-water emulsion gel-type fat substitute.
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[0063] Example 2
[0064] The mass ratio of the oil solution and the aqueous solution in step (3) of Example 1 was adjusted to 6:4, and the others were the same as those in Example 1, to obtain a water-in-oil emulsion-gel-type fat substitute.
Example Embodiment
[0065] Example 3
[0066] Adjust the mass ratio of the oil solution and the aqueous solution in the step (3) of Example 1 to be 44:56, and the others are consistent with Example 1 to obtain a semi-bicontinuous emulsion-gel type (containing both an oil-in-water emulsion and a water-in-oil emulsion). ) fat substitutes.
[0067] The emulsion gel-type fat substitutes obtained in Examples 1-3 were tested for performance, and the test results were as follows:
[0068] figure 1 Rheological data for the two emulsion-gel-type fat substitutes of Examples 1 and 2. from figure 1 It can be seen that in the strain scan, the elastic moduli of the two emulsion-gel-type fat substitutes are basically the same, but the oil / water solution is 6:4 of the emulsion-gel-type fat substitute (water-in-oil type). The viscous modulus is slightly lower, indicating that the fluidity of the water-in-oil emulsion-gel-type fat substitute is slightly better. are much larger than the viscous modulus, and bo...
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