Probiotics-rich mulberry and litchi powder and preparation method thereof

A technology of probiotics and lychee powder, applied in the directions of bacteria, lactobacillus, bifidobacteria, etc. used in food preparation, can solve the problems of mechanical damage of bacteria and the decrease of the number of live probiotic bacteria, so as to reduce damage and improve live bacteria. content, the effect of improving immunity

Inactive Publication Date: 2017-11-07
SERICULTURE & AGRI FOOD RES INST GUANGDONG ACAD OF AGRI SCI
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, the existing production process easily causes mechanical damage to the bacterial cell membrane during the production of fruit and vegetable powder, which leads to a significant decrease in the number of viable probiotic bacteria

Method used

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Examples

Experimental program
Comparison scheme
Effect test

preparation example Construction

[0023] A preparation method of mulberry litchi powder rich in probiotics, comprising the following steps:

[0024] 1) Preparation of fruit juice: beating and filtering mulberry fruit and lychee to obtain mulberry fruit juice and lychee juice;

[0025] 2) concentrating: concentrating and sterilizing the mulberry juice and litchi juice to obtain the concentrated mulberry juice and the concentrated litchi juice;

[0026] 3) Activation of strains: inoculate the probiotics on the medium for anaerobic culture;

[0027] 4) Preparation of the mother starter: take a part of the lychee concentrated juice, inoculate the probiotics activated in step 3), leave it to ferment, and obtain the mother starter;

[0028] 5) The first fermentation: add the mother starter to the remaining lychee juice concentrate, and leave it to ferment;

[0029] 6) Fermentation for the second time: adding the fermented liquid of step 5) into the concentrated fruit juice of mulberry fruit, and let stand to ferme...

Embodiment 1

[0048] A preparation method of mulberry litchi powder rich in probiotics, comprising the following steps:

[0049] 1) Preparation of fruit juice: fresh mulberry fruit and lychee pulp are beaten, then filtered with 100 mesh filter cloth to obtain mulberry fruit juice and lychee juice;

[0050] 2) Concentration: Take 100kg of mulberry juice and 200kg of litchi juice respectively, concentrate to 40kg and 100kg by vacuum rotary evaporation at 55°C, and sterilize at 95°C for 1min to obtain concentrated mulberry juice and concentrated litchi juice;

[0051] 3) Activation of strains: Add 0.1g of lactic acid bacteria to 1mL of sterile normal saline, shake evenly, then add to 10mL of sterilized lactic acid bacteria culture medium, and culture at 30°C for 30 hours; then follow the above operations in sequence Activation of Bifidobacteria and Saccharomyces cerevisiae;

[0052]Lactic acid bacteria medium: beef extract powder 10g, yeast powder 4g, peptone 10g, glucose 20g, Tween-80 1.08g,...

Embodiment 2

[0061] A preparation method of mulberry litchi powder rich in probiotics, comprising the following steps:

[0062] 1) Preparation of fruit juice: fresh mulberry fruit and lychee pulp are beaten, then filtered with 100 mesh filter cloth to obtain mulberry fruit juice and lychee juice;

[0063] 2) Concentration: Take 100kg of mulberry juice and 200kg of litchi juice respectively, concentrate to 35kg and 70kg by vacuum rotary evaporation at 55°C, and sterilize at 95°C for 1min to obtain concentrated mulberry juice and concentrated litchi juice;

[0064] 3) Activation of strains: Add 0.1g of lactic acid bacteria to 1mL of sterile normal saline, shake evenly, then add to 10mL of sterilized lactic acid bacteria culture medium, and let it stand for anaerobic culture at 30°C for 24 hours; then follow the above operations in sequence Activation of Bifidobacterium and Saccharomyces cerevisiae;

[0065] Lactic acid bacteria medium: beef extract powder 10g, yeast powder 4g, peptone 10g, ...

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Abstract

The invention discloses probiotics-rich mulberry and litchi powder and a preparation method thereof. The preparation method of the mulberry and litchi powder is as follows: 1) preparation of mulberry juice and litchi juice; 2) preparation of mulberry concentrated juice and litchi concentrated juice; 3) activation of probiotics; 4) preparation of a mother starter; 5) first fermentation; 6) second fermentation; 7) freeze-drying. The probiotics in the mulberry and litchi powder are rich, the viable bacteria content is up to 1*10<8> to 5*10<8>CFU / g, the nutritional values of the mulberry and the litchi are perfectly combined with the health benefits of the probiotics, and the effects of oxidation resistance, immunity improvement, blood fat reduction, eye protection and the like are realized. In the preparation process of the mulberry and litchi powder disclosed by the invention, litchi concentrated juice fermentation is firstly performed and then mulberry concentrated juice fermentation is performed, thereby overcoming the problem that the probiotics are difficult to grow in the mulberry juice and reducing the damage of freeze-drying to the probiotics by adding a strain protective agent, thus significantly increasing the viable bacteria content.

Description

technical field [0001] The invention relates to a mulberry litchi powder rich in probiotics and a preparation method thereof. Background technique [0002] Mulberry, also known as mulberry or mulberry, has a sweet and sour taste, attractive color, rich in active substances such as anthocyanins, chlorogenic acid, and resveratrol, and is a fruit that can be used as both food and medicine. Litchi belongs to Sapindaceae, mainly distributed in my country's Guangdong, Guangxi, Hainan, Fujian, Yunnan and other places. my country's litchi production ranks first in the world. Lychee pulp is tender and juicy, nutritious, rich in protein, and has a sweet taste. It is one of the characteristic fruits in Lingnan. Mulberry fruit and lychee can be eaten fresh or processed into various foods, which are very popular among consumers. Modern medical research shows that both mulberry and lychee have the effects of anti-oxidation, improving immunity, and lowering blood lipids, and the anthocya...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): A23L33/135A23L19/00
CPCA23L19/00A23L33/135A23V2002/00A23V2400/125A23V2400/123A23V2400/113A23V2400/169A23V2400/51A23V2200/324A23V2200/3262A23V2200/30A23V2250/628A23V2250/636A23V2250/762
Inventor 肖更生邹波徐玉娟唐道邦吴继军余元善温靖陈于陇
Owner SERICULTURE & AGRI FOOD RES INST GUANGDONG ACAD OF AGRI SCI
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