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Wintercherry fermentation fruit juice and preparation method thereof

A technology of sour berry and fermented raw juice, applied in the direction of bacteria used in food preparation, functions of food ingredients, food ingredients containing natural extracts, etc., can solve unacceptable, low utilization rate of active ingredients, limitations of development and utilization, etc. problems, to achieve the effect of benefiting digestion and absorption, improving antioxidant performance, and broadening product categories

Active Publication Date: 2018-11-30
SHANXI AGRI UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Physalis is one of the fruit varieties to be developed with high nutritional value, and its related products, such as preserved Physalis fruit, Physalis seed oil, Physalis fruit milk drink, etc., are all processed through multiple processes, and the effects of Physalis berry itself Nutrients are greatly destroyed, the utilization rate of active ingredients is low, and the taste is bitter, so it is not easy to be accepted by people
Because sour berry itself tastes bitter, mainly because it contains steroidal bitters, which can inhibit the activity of lactic acid bacteria, so the development and utilization have great limitations

Method used

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  • Wintercherry fermentation fruit juice and preparation method thereof
  • Wintercherry fermentation fruit juice and preparation method thereof
  • Wintercherry fermentation fruit juice and preparation method thereof

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0052] The preparation of embodiment 1 sour berry original juice

[0053] Select sour berries that are free from insects, rot, and full of fruit, wash them three to four times under running water, remove the stems, and put them in the juicer. Use a juicer to crush the sour berries, and the crushing time is 1 to 2 minutes. Add 0.2% to 0.4% of pectinase and 0.1% to 0.3% cellulase in the juice of physalis respectively, stir evenly, and carry out enzymolysis in water bath at 35 to 45°C. The solution time is 30min~50min. After the enzymatic hydrolysis is completed, inactivate the enzyme in water at 90°C to 100°C for 10min to 15min. After the enzyme inactivation is completed, use gauze to filter, remove the fruit peel and seeds of the sour berry, and obtain the filtrate which is the original juice of the sour berry.

Embodiment 2

[0054] Activation, domestication and selection of embodiment 2 strains

[0055] (1) Activation method

[0056] Take the prepared MRS liquid medium, sterilize it and let it cool down, inoculate an appropriate amount of bacteria powder into the medium under aseptic conditions, mix well and place it in a 37°C constant temperature incubator for 24 hours. The alternative fermentation strains of sour pulp fermented juice are lactic acid bacteria: Lactobacillus plantarum (CICC20022), Lactobacillus acidophilus (CICC6006), Lactobacillus brevis (CICC6239), Lactobacillus rhamnosus (CICC20255) and Lactobacillus paracasei ( CICC6239) These strains are commercially available. The five lactic acid bacteria strains were subcultured for 3 to 4 times in the culture medium. When the viable count reaches 10 7 When the CFU / g is above, the strain can reach normal vigor, and it should be stored in the refrigerator for later use. When the bacterial strain is a dry powder, activation is required, ...

Embodiment 3

[0064] Determination of the proportion of fermented strains of sour berry original juice of embodiment 3

[0065] Since the fermentation effect of compound strains is better than that of single strains, the selected Lactobacillus plantarum and Lactobacillus acidophilus are compounded, and the compounding ratio is 1:1, 2:1, 1:2 according to the mass ratio. . Lactobacillus acidophilus (La) and Lactobacillus plantarum (Lp) were inoculated in the raw juice of sour berries according to the mass ratio of 1:1, 2:1, and 1:2, and cultured at 35°C to 38°C for 48 hours. Measure the number of viable bacteria, acidity, and pH value once every 4 hours, so as to select the appropriate addition ratio of the composite bacteria. According to the growth curves of different proportions of strains fermented for 48 hours, combined with lactic acid content, pH value and sensory evaluation, the final starter was determined, and the results were as follows Figure 4 , 5 , 6, and 7. according to ...

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Abstract

The invention relates to wintercherry fermentation fruit juice and preparation method thereof. The preparation method of the wintercherry fermentation fruit juice comprises the following steps, crushing, performing enzymolysis, performing enzyme deactivation, performing filtration to prepare original wintercherry fruit juice; S2, inoculating a fermentation agent of which the weight is 5% to 12% ofthe weight of the original wintercherry fruit juice in the original wintercherry fruit juice and fermenting at constant temperature of 33 DEG C to 39 DEG C for 16h to 24h, obtaining original wintercherry fermentation fruit juice; S3, performing flavor blending on the original wintercherry fermentation fruit juice obtained from the S2, obtaining the wintercherry fermentation fruit juice. The wintercherry fermentation fruit juice prepared by lactobacillus fermentation of original wintercherry fruit juice, not only is the bitterness of the original acid reduced, but also can be widely accepted and absorbed more effectively by people. The wintercherry fermentation fruit juice integrates good characteristics of wintercherries and lactobacillus, has characteristics of high nutritional value, easy operation, wide adaptability on the basis of satisfying the requirements of general beverage, and has higher popularization value.

Description

technical field [0001] The invention belongs to the technical field of food processing and production, and in particular relates to a fermented sour pulp fruit juice and a preparation method thereof. Background technique [0002] With the rapid development of the food and beverage industry, beverages not only have the effect of promoting body fluids and quenching thirst, but also satisfy people's nutritional needs. According to the report of a world-renowned beverage consulting company, fruit and vegetable juice beverages are currently the fastest-growing beverage products, and fruit and vegetable juice beverages basically retain the original nutrients of fruits and vegetables. [0003] At present, there are many types of fruit and vegetable juices on the market, such as: orange juice, seabuckthorn juice, tomato juice, hawthorn juice, etc., but fermented fruit and vegetable juice products are basically missing, and some are basically supplemented with milk and dairy products...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): A23L2/38A23L2/62A23L33/105
CPCA23L2/382A23L2/62A23L33/105A23V2002/00A23V2400/113A23V2400/169A23V2250/21A23V2200/30
Inventor 王晓闻高洁马玲荆旭王愈辛泓均唐艳
Owner SHANXI AGRI UNIV
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