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Glucan beverage and preparation method thereof

A glucan and beverage technology, applied in food preparation, bacteria, lactobacillus and other directions used in food preparation, can solve the problems of narrow source, blank, lack of safety in application methods, etc., achieves low cost, simplified production process, The effect of improving innovation and safety

Active Publication Date: 2014-01-01
BRIGHT DAIRY & FOOD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0007] The technical problem to be solved by the present invention is to overcome the lack of safety in the application mode of artificially adding the product after the polysaccharide source in the existing polysaccharide beverage is mostly plants, and the source is narrow, and it needs to be extracted through a specific treatment method, especially for the existing market The beverage with dextran as the main functional component has the defect of being blank, and a dextran beverage with low production cost, simple process and wide industrial application and its preparation method are provided

Method used

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  • Glucan beverage and preparation method thereof
  • Glucan beverage and preparation method thereof

Examples

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preparation example Construction

[0038] Preparation of tomato juice X1, X2, X3, X4: Wash and peel the ripe tomatoes, then mechanically crush them, filter, suction filter, separate, centrifuge at 3000g for 10min, or centrifuge at 2000g for 20min to get the supernatant.

[0039] Preparation of fermentation medium S1, S2, S3 and S4: Mix sucrose and tomato juice aqueous solution according to the mass volume ratio of 3g:20mL, 1g:5mL, 1g:10mL, 1g:20mL respectively, heat until the sucrose dissolves and cool to room temperature, Na 2 CO 3 , NaHCO 3 , NaOH, and NaOH to adjust the pH to 7.0, 6.0, 7.5, and 8.0, respectively, and sterilize at 121°C for 20 minutes, 95°C for 30 minutes, 125°C for 5 minutes, and 100°C for 15 minutes. Wherein, the concentration of tomato juice in the tomato juice aqueous solution is 100%, 40%, 80%, 60% respectively, and the tomato juices are respectively tomato juice X1, X2, X3, X4.

[0040] Preparation of fermented strain (seed solution) Z1: Dissolve the freeze-dried powder of Leuconosto...

Embodiment 1

[0045] 1. Preparation of glucan beverage

[0046] (1) Add the fermented strain Leuconostoc enteroconostoc BD1710 seed solution Z1 into the fermentation medium prepared by the above method at an inoculum amount of 2.0% (v / v), the fermentation medium S1, in which sucrose and tomato The mass volume ratio of the aqueous tomato juice solution is 3g:20mL, the concentration of the aqueous tomato juice solution is 100%, the pH is 7.0, 28°C, 180rpm shaker culture for 48h, after the fermentation, the fermented liquid is taken, and after determination, the fermented liquid in the fermented liquid The dextran content was 3.22% (w / v).

[0047] (2) Completely dissolve white sugar and citric acid in water at 50°C to obtain a blending solution. The above fermented liquid and blended liquid were thoroughly mixed at a ratio of 1:5.44 (v / v), then homogenized under a pressure of 15MP, sterilized at 95°C for 30 minutes, and filled to obtain the lactic acid bacteria beverage product of this embodi...

Embodiment 2

[0061] (1) Insert the fermentation strain (seed liquid) Z2 into the fermentation medium prepared by the above method at an inoculum size of 0.5% (v / v), the fermentation medium S2, wherein the mass of sucrose and tomato juice aqueous solution The volume ratio is 4g:20mL, the concentration of the tomato juice aqueous solution is 40%, the pH is 6.0, 34°C, the fermenter is ventilated and cultured for 54h, after the fermentation, the fermented liquid is taken, and the glucan content in the fermented liquid is measured. 1.05% (w / v).

[0062] (2) Completely dissolve white sugar, citric acid, and lactic acid in water at 50°C to obtain a blending solution. The above fermented liquid and blended liquid were thoroughly mixed at a ratio of 1:1 (v / v), homogenized under 30MP pressure, sterilized at 100°C for 20 minutes, and filled to obtain the lactic acid bacteria beverage product of this example.

[0063] After testing, the content of dextran in the glucan-rich lactic acid bacteria bever...

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Abstract

The invention discloses glucan beverage and a preparation method thereof. The preparation method comprises the following steps: (1) inoculating a leuconostocmesenteroides fermented culture in a fermentation medium, carrying out aerobic cultivation to obtain a fermentation broth; (2) uniformly mixing the fermentation broth and a blending liquid with a sweetener and an acidulant, homogenizing and sterilizing, wherein the fermentation medium comprises sucrose and a tomato juice water solution; the volume percent concentration of tomato juice in the tomato juice water solution is 40-100%; the pH value of the fermentation medium is adjusted to 6.0-8.0 with alkali; the volume percent of the fermentation broth in the glucan beverage is 15.5-66.6%. The beverage is low in cost, natural and safe, glucan is obtained through fermentation, the reality that the polysaccharide of beverage on the market is from a plant and is added manually is broken, the innovation and the safety of the product are improved, and the prospect is wide.

Description

technical field [0001] The invention discloses a dextran beverage and a preparation method thereof. Background technique [0002] Polysaccharide is a macromolecular polymer composed of monosaccharides bonded by glycosidic bonds. Studies have shown that polysaccharides have beneficial functions such as immune regulation, anti-virus, anti-cancer, hypoglycemic, and blood pressure. Polysaccharides in nature are mainly distributed in microorganisms, higher plants, animals, lichens, and algae. Among them, polysaccharides derived from microorganisms, especially exopolysaccharides, are the growth of certain microorganisms (such as lactic acid bacteria, Agrobacterium, Rhizobium, etc.) A class of carbohydrate compounds that are secreted outside the cell wall during metabolism. Among them, the polysaccharide attached to the outside of the microbial cell wall is called capsular polysaccharide, while the mucus polysaccharide exists in the form of permeation in the growth environment. ...

Claims

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Application Information

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IPC IPC(8): A23L2/38A23L1/09
CPCA23L29/30A23L2/84A23V2400/161A23L2/52A23L29/273A23L19/09A23L11/50
Inventor 韩瑨吴正钧杭锋吴江郭本恒马成杰
Owner BRIGHT DAIRY & FOOD
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