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Fermented milk with DHA (dehydroascorbic acid) and EPA (eicosapentaenoic acid) and preparation method thereof

A technology of fermented milk and milk, which is applied in the preparation of fermented milk and the field of fermented milk, can solve problems such as bad flavor, and achieve the effect of satisfying taste enjoyment

Active Publication Date: 2017-05-31
JUNLEBAO DAIRY GRP CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, when microencapsulated fish oil is added to the dairy product technology, after the homogenization process, the microcapsules on the outer layer of the fish oil will be completely destroyed under the shearing action of the homogenizer, so that the fish oil will be exposed and dispersed throughout the liquid milk. In the system, an oxidation reaction occurs to produce a fishy smell, which makes the product have a fishy smell

Method used

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  • Fermented milk with DHA (dehydroascorbic acid) and EPA (eicosapentaenoic acid) and preparation method thereof
  • Fermented milk with DHA (dehydroascorbic acid) and EPA (eicosapentaenoic acid) and preparation method thereof
  • Fermented milk with DHA (dehydroascorbic acid) and EPA (eicosapentaenoic acid) and preparation method thereof

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Experimental program
Comparison scheme
Effect test

Embodiment 1-3

[0047] The content information of raw materials in each case is shown in the table below:

[0048] Each embodiment of table 1 and comparative example raw material content table

[0049]

[0050] The preparation method of the fermented milk containing DHA and EPA in embodiment 1-3, comparative example 1-4 comprises the following steps:

[0051] a. Fish oil pre-emulsification treatment: add emulsifier, antioxidant, and fish oil in sequence to 10% milk at 40-70°C, use shearing and stirring for 1-5 minutes to make it evenly dispersed, and then perform homogenization treatment. The homogenization temperature is 58-70°C, and the homogenization pressure is 10-20MPa to obtain a pre-emulsified base material;

[0052] b. Heat up 10% milk to 50-70°C, add whey protein powder and stabilizer, disperse evenly and mix with the remaining milk, then add trehalose, white sugar and sweetener in a loop, mix well, then cool down to below 35°C to obtain ingredient milk;

[0053] c. Mixing the ...

Embodiment 4

[0065] Embodiment 4, comparative example 5-7 The preparation method of the fermented milk that contains DHA and EPA comprises the following steps:

[0066] a. Fish oil pre-emulsification treatment: add 0.4 part of emulsifier, 0.3 part of vitamin C, 0.1 part of vitamin E, 0.2 part of phospholipid, 3 parts of fish oil to 90 parts of milk at temperature t, and use shearing and stirring for 1-5 minutes to make It is uniformly dispersed, and then subjected to homogenization treatment, with a homogenization temperature of 58-70°C and a homogenization pressure of 10-20MPa to obtain a pre-emulsified base material;

[0067] b. Heat up 90 parts of milk to 50-70°C, add 10 parts of whey protein powder and 2 parts of pectin, disperse evenly and mix with 720 parts of milk, then add 70 parts of trehalose, 30 parts of white sugar, 0.1 part sweetener, make it evenly mixed, cool down to below 35°C, and obtain ingredient milk;

[0068] c. Mix the pre-emulsified base material and the ingredient ...

Embodiment 5

[0079] A preparation method of sterilized fermented milk containing DHA and EPA, the preparation method comprises the following steps:

[0080] a. Fish oil powder pretreatment: Add 0.5 parts of emulsifier, 0.3 parts of vitamin C, 0.1 parts of vitamin E, 0.2 parts of phospholipids, and 5 parts of fish oil powder to 90 parts of milk at 65±5°C in order, and maintain 65±5°C Shear and stir for 1 minute to make it evenly dispersed to obtain the pretreated base material;

[0081] b. Warm up the remaining 90 parts of milk to 65±5°C, add 10 parts of whey protein powder and 2 parts of pectin, disperse evenly, add 60 parts of trehalose, 40 parts of white sugar, and sweetener to the cold milk cycle 0.1 part, make it mix evenly, cool down to below 35°C, and get the ingredient milk;

[0082] c. Mix the pretreated base material and the ingredient milk evenly, and prepare fermented milk containing DHA and EPA after homogenization, sterilization, fermentation, cooling and sterilization.

[0...

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Abstract

The invention relates to fermented milk with DHA (dehydroascorbic acid) and EPA (eicosapentaenoic acid) and a preparation method thereof; the fermented milk is prepared by fermenting, by bacteria, milk with trehalose, white granulated sugar, a stabilizer, whey protein powder, fish oil or fish oil powder, an antioxidant, an emulsifier and a sweetener; sterilizing; filling with opaque oxygen-tight packaging material. Through burdening, preparation, and packaging study and design for the fermented milk with DHA and EPA, the technical problem that the fermented milk with fish oil or fish oil power products has unstable flavor is solved, product stability in shelf life is guaranteed, and the fermented milk with DHA and EPA is provided, having good flavor.

Description

technical field [0001] The invention belongs to the field of dairy products, and in particular relates to fermented milk containing DHA and EPA; meanwhile, the invention also relates to a preparation method of the fermented milk containing DHA and EPA. Background technique [0002] In 1985, Kromhout et al. conducted a 20-year follow-up study and found that eating fish 1-2 times a week had a preventive effect on CHD (coronary heart disease). In the following 20 years, it was confirmed that EPA rich in fish food or fish oil (20 The protective effects of carbapentaenoic acid) and DHA (docosahexaenoic acid) on CVD (cardiovascular disease). In 2011, Musa-Veloso et al. published a meta-analysis including 8 prospective studies, and the results showed that daily intake of EPA and DHA greater than 250mg can reduce sudden cardiac death by 35.1%, and total fatal CVD by 16.6%. , showing that EPA and DHA have a protective effect on CVD. [0003] Fish oil is a mixture of components in w...

Claims

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Application Information

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IPC IPC(8): A23C9/13
CPCA23C9/13A23C9/1307A23C9/1315
Inventor 李丽华王华朱宏陈彩锐康志远苏海涛刘凤昝付翠霞宋敏王楠
Owner JUNLEBAO DAIRY GRP CO LTD
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