A kind of fermented milk containing Lactobacillus kefir and preparation method thereof

A technology of Lactobacillus kefir and fermented milk is applied in the field of fermented milk containing Lactobacillus kefir and its preparation, and can solve problems such as difficult acid-producing curd

Active Publication Date: 2021-03-26
JUNLEBAO DAIRY GRP CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

But this strain is not easy to produce acid curd under common fermentation conditions

Method used

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  • A kind of fermented milk containing Lactobacillus kefir and preparation method thereof
  • A kind of fermented milk containing Lactobacillus kefir and preparation method thereof
  • A kind of fermented milk containing Lactobacillus kefir and preparation method thereof

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0057] Embodiment 1 A kind of fermented milk containing Lactobacillus kefir and preparation method thereof

[0058] Present embodiment is a kind of preparation method that contains the fermented milk of kefir lactobacillus, and it carries out successively according to following step sequence:

[0059] (1) Ingredients

[0060] Mix 100kg of raw milk, 20kg of white sugar, 1kg of maltose, 15kg of fructose, 10kg of isomaltooligosaccharide and 7kg of grain dietary fiber (3kg of oat fiber, 1kg of barley fiber, 1kg of wheat fiber and 2kg of rye fiber) and put them in the fermentation tank Among them, get A1;

[0061] (2) Homogenization and sterilization

[0062] Homogenize A1 at 60°C and sterilize at 95°C for 5 min to obtain B1;

[0063] (3) fermentation

[0064] B1 was inoculated with 5 g of Lactobacillus kefir KL22 bacterial powder and 15 g of Streptococcus thermophilus JMCC0019 bacterial powder, fermented in a fermenter at 42°C for 15 hours to curdling, tested its pH to 4.5, st...

Embodiment 2-4

[0069] Embodiment 2-4 contains the fermented milk of Lactobacillus kefir and preparation method thereof

[0070] This example is a fermented milk containing Lactobacillus kefir and its preparation method, wherein the preparation method is similar to that of Example 1, the only difference is that the ingredients of the fermented milk and the relevant parameters in the preparation process are different. See the table below for details.

[0071]

[0072] The fermented milk containing Lactobacillus kefir prepared in Examples 2-4 has a soft, mellow taste, rich nutrition, a high number of viable bacteria, and good flavor. It can inhibit the colonization of intestinal harmful bacteria through adhesion, and has the effect of regulating the intestine; preparation The process of the method is simple, easy to control, and the fermentation period is short. During the fermentation process, Lactobacillus kefir KL22 and Streptococcus thermophilus JMCC0019 play a synergistic effect, which ...

Embodiment 5

[0073] Example 5 The sugar metabolism experiment of Lactobacillus kefir KL22 to different sugars

[0074] Inoculate the Lactobacillus kefir KL22 strain into the MRS liquid medium, culture at 37°C for 24 hours, and passage once, take the bacterial suspension and inoculate it into a sugar fermentation tube, culture at 37°C for 48 hours, and observe the color change. The specific results are shown in the table below.

[0075]

[0076] Note: "+" means fermentation utilization; "-" means non-fermentation utilization.

[0077] It can be seen from the above table that among the above 48 kinds of carbohydrates, Lactobacillus kefir KL22 can utilize L-arabinose, D-ribose, D-galactose, D-fructose, maltose, lactose, melibiose, and produce acid.

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Abstract

The invention discloses fermented milk containing Lactobacillus kefir. The fermented milk is added with Lactobacillus kefir KL22 and Streptococcus thermophilus JMCC0019. The ingredients of the fermented milk are reasonable in composition, and the fermented milk has a soft taste and rich nutrition. The number of viable bacteria is high, which can inhibit the colonization of intestinal harmful bacteria through adhesion, and has the effect of regulating the intestine; the present invention also provides the preparation method of the fermented milk of the above-mentioned Lactobacillus kefir. Milk and other processes, the preparation process is simple, easy to control, and the fermentation cycle is short. During the fermentation process, Lactobacillus kefir KL22 and Streptococcus thermophilus JMCC0019 play a synergistic role, overcoming the disadvantages of slow fermentation of Lactobacillus kefir KL22 alone. The speed is fast, and the taste of fermented milk is mellow. The invention is suitable for preparing fermented milk containing Lactobacillus kefir.

Description

technical field [0001] The invention belongs to the field of fermented milk products, and relates to fermented milk, in particular to fermented milk containing Lactobacillus kefir and a preparation method thereof. Background technique [0002] Fermented milk can not only alleviate lactose intolerance, but also contains fully degraded small molecular proteins and peptides, which can promote the digestion and absorption of milk protein. At the same time, the intestinal regulation function of probiotics makes this kind of products gradually recognized and welcomed by consumers. At the same time, given the current situation of the dairy industry, the state has increased its support for the development of the dairy industry, and the dairy industry has been regarded as a key support industry in terms of industrial policy. The development of the dairy industry is still the focus of the development of animal husbandry and the focus of state support. It cannot be ignored that in fer...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): A23C9/13
CPCA23C9/13A23C9/1307A23V2400/249
Inventor 魏立华荀一萍张栋冯丽莉朱宏薛玉玲王世杰
Owner JUNLEBAO DAIRY GRP CO LTD
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