Method for preparing docosahexaenoic acid (DHA) and eicosatetraenoic acid (ARA) emulsion
An emulsion and emulsification equipment technology, which is applied in the field of preparation of DHA and ARA emulsions, can solve problems such as easy oxidation, and achieve the effects of preventing fat oxidation, reducing interfacial tension, and improving technical barriers.
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[0017] . A method for preparing DHA and ARA emulsions, including the following processes in sequence: emulsion preparation:
[0018] The preparation process of the emulsion includes the following three parts: A, B and C:
[0019] A. Prepare the water phase in the shear emulsification tank of the emulsification equipment: add purified water and heat and keep it at 35-65°C, turn on the shear emulsification stirring device, add sodium ascorbate, add 0.1-4.2kg, and then add the emulsifier: The amount of sodium starch octenyl succinate is 1.6-28kg, the amount of sodium caseinate is 0.2-3.5kg, the amount of gum arabic is 0.96-16.8kg, the amount of concentrated milk protein is 1.6-28.0kg, the above emulsifier Just add one, shearing: Use the shearing head to stir the material at high speed, and shear for 3-10 minutes until it is fully dissolved;
[0020] B. Prepare the oil phase in the oil tank of the emulsification equipment: add vegetable oil in an amount of 0.5-8kg, the purpose is to d...
Example Embodiment
[0026] Example 1
[0027] Taking the production of one ton of milk powder as an example, the ingredients are as follows:
[0028] 1. Addition of enhancer (DHA grease): 0.15~3.0kg.
[0029] 2. Addition of enhancer (ARA grease): 0.15~3.0kg.
[0030] 3. Addition of emulsifier (sodium octenyl succinate): 1.6~28.0kg.
[0031] 4. Antioxidant (ascorbyl palmitate) addition amount: ≤0.2g / kg.
[0032] 5. Antioxidant (sodium ascorbate) dosage: 0.26~4.2kg.
[0033] 6. Antioxidant (Vitamin E) dosage: add appropriate amount according to production needs.
[0034] 7. Addition of vegetable oil (walnut oil, soybean oil, corn oil, palm oil): 0.5~8.0kg.
[0035] 8. The best ratio: the oven method and the water bath method are compared to determine that the sodium starch octenyl succinate: DHA and ARA oil = 2:1, the emulsification effect is the best.
Example Embodiment
[0036] Example 2
[0037] Taking the production of one ton of milk powder as an example, the ingredients are as follows:
[0038] 1. Addition of enhancer (DHA grease): 0.15~3.0kg.
[0039] 2. Addition of enhancer (ARA grease): 0.15~3.0kg.
[0040] 3. Addition of emulsifier (sodium caseinate): 0.2~3.5kg.
[0041] 4. Antioxidant (ascorbyl palmitate) addition amount: ≤0.2g / kg.
[0042] 5. Antioxidant (sodium ascorbate) dosage: 0.1~1.2kg.
[0043] 6. Antioxidant (Vitamin E) dosage: add appropriate amount according to production needs.
[0044] 7. Addition of vegetable oil (walnut oil, soybean oil, corn oil, palm oil): 0.5~8.0kg.
[0045] 8. The best ratio: the oven method and the water bath method are compared to determine that sodium caseinate: DHA and ARA oil = 1:4, the emulsification effect is the best.
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