CN104814502A - Probiotics cereal beverage and powder as well as preparation method thereof - Google Patents

Probiotics cereal beverage and powder as well as preparation method thereof Download PDF

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CN104814502A
CN104814502A CN201510284945.5A CN201510284945A CN104814502A CN 104814502 A CN104814502 A CN 104814502A CN 201510284945 A CN201510284945 A CN 201510284945A CN 104814502 A CN104814502 A CN 104814502A
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probio
cfu
cereal
cereal beverage
lactobacillus plantarum
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CN104814502B (en
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路福平
王海宽
张楠
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Tianjin University of Science and Technology
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Tianjin University of Science and Technology
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    • AHUMAN NECESSITIES
    • A23FOODS OR FOODSTUFFS; TREATMENT THEREOF, NOT COVERED BY OTHER CLASSES
    • A23LFOODS, FOODSTUFFS, OR NON-ALCOHOLIC BEVERAGES, NOT COVERED BY SUBCLASSES A21D OR A23B-A23J; THEIR PREPARATION OR TREATMENT, e.g. COOKING, MODIFICATION OF NUTRITIVE QUALITIES, PHYSICAL TREATMENT; PRESERVATION OF FOODS OR FOODSTUFFS, IN GENERAL
    • A23L2/00Non-alcoholic beverages; Dry compositions or concentrates therefor; Their preparation
    • A23L2/38Other non-alcoholic beverages
    • AHUMAN NECESSITIES
    • A23FOODS OR FOODSTUFFS; TREATMENT THEREOF, NOT COVERED BY OTHER CLASSES
    • A23LFOODS, FOODSTUFFS, OR NON-ALCOHOLIC BEVERAGES, NOT COVERED BY SUBCLASSES A21D OR A23B-A23J; THEIR PREPARATION OR TREATMENT, e.g. COOKING, MODIFICATION OF NUTRITIVE QUALITIES, PHYSICAL TREATMENT; PRESERVATION OF FOODS OR FOODSTUFFS, IN GENERAL
    • A23L2/00Non-alcoholic beverages; Dry compositions or concentrates therefor; Their preparation
    • A23L2/70Clarifying or fining of non-alcoholic beverages; Removing unwanted matter
    • A23L2/84Clarifying or fining of non-alcoholic beverages; Removing unwanted matter using microorganisms or biological material, e.g. enzymes
    • AHUMAN NECESSITIES
    • A23FOODS OR FOODSTUFFS; TREATMENT THEREOF, NOT COVERED BY OTHER CLASSES
    • A23VINDEXING SCHEME RELATING TO FOODS, FOODSTUFFS OR NON-ALCOHOLIC BEVERAGES AND LACTIC OR PROPIONIC ACID BACTERIA USED IN FOODSTUFFS OR FOOD PREPARATION
    • A23V2400/00Lactic or propionic acid bacteria
    • A23V2400/11Lactobacillus
    • A23V2400/169Plantarum
    • AHUMAN NECESSITIES
    • A23FOODS OR FOODSTUFFS; TREATMENT THEREOF, NOT COVERED BY OTHER CLASSES
    • A23VINDEXING SCHEME RELATING TO FOODS, FOODSTUFFS OR NON-ALCOHOLIC BEVERAGES AND LACTIC OR PROPIONIC ACID BACTERIA USED IN FOODSTUFFS OR FOOD PREPARATION
    • A23V2400/00Lactic or propionic acid bacteria
    • A23V2400/51Bifidobacterium

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  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Nutrition Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Food Science & Technology (AREA)
  • Polymers & Plastics (AREA)
  • Microbiology (AREA)
  • Molecular Biology (AREA)
  • Zoology (AREA)
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Abstract

The invention provides a probiotics cereal beverage and powder as well as a preparation method thereof. The probiotics cereal beverage consists of the following raw materials for active ingredients in every 1000ml of water: 8 to 12 percent of cereals, 40 to 50u/ml of amylase and 100 to 120u/ml of protease, at least one probiotic is inoculated, the amount of each probiotic is 10<6> to 10<7>CFU/ml, the raw materials such as the cereals are mixed in a given ratio and then washed and crushed, the mixture is subjected to enzymolysis and then sterilized, then the probiotics are added into the mixture to be fermented, a fermented product is centrifuged, liquid supernatant is mixed in a sterile manner and canned to obtain the product, precipitation substances such as the probiotics obtained in the centrifugal process can be composited, frozen and dried in vacuum to prepare probiotics powder, the total active bacteria number in the probiotics cereal beverage can reach 10<8> to 10<9>CFU/ml, and the total bacteria number in the probiotics powder can reach 10<10> to 10<11>CFU/G.

Description

A kind of probio cereal beverage and pulvis and preparation method thereof
Technical field
The present invention relates to microbe application field, relate to a kind of probio cereal beverage and bacterium powder and preparation method thereof.
Background technology
Along with economic development, the improvement of living, people tend to edible more animal food, the animal food growth ratios such as the meat taken in resident's dietary structure, egg, newborn class are too high, and the absorption of the crops such as grain cereal reduces gradually, the dietary fiber that this diet structure provides is too low, energy and fat too high, cause rich man's disease and significantly rise to.Along with the progress of scientific and technological level, the use of antibiotic, hormone, various chemicals, make human body metabolism's system, enzyme system, immune system all receive impact in various degree, the microecological balance in human body is seriously damaged, thus causes modern many places in sub-health state.
In cereal preparation, carbohydrate content is generally 75%-80%, protein content 8%-10%, fat content about 1%, also containing mineral matter, B family vitamin and dietary fiber etc.Adhere to that cereal is main, effectively can keep the good tradition of China's meals, avoid the drawback of high-energy, higher fatty acid and LCD.
Probio is a class by improving intestine microenvironment thus host being produced to the microorganism of beneficial effect.It suppresses growth of pathogenic bacteria by participating in intestinal microecology balance, and avoid drug resistance and the suprainfection of the generation of Long-Time Service antibiotic, therefore, probiotic products enjoys the concern of people in recent years.
By crops deep processings such as cereal by lactobacillus-fermented exploitation probio cereal foods, can not only retain or increase nutritional labeling useful to health in these crops, and can improve mouthfeel, edible more convenient, it is easier to absorb.Application number be 201210273454.7 patent of invention disclose the production technology of a kind of synchronous solid fermentation and enzyme-squash techniqued fermented bean dregs, mainly utilize dregs of beans enzymolysis and the effect of microbiological anaerobic solid state fermentation synchronous synergetic.Although have certain requirement to the uniformity in this technique, due to when solid state fermentation, there is gradient in nutrient concentrations, ferments uneven, makes the growth of thalline, there is uneven problem to the secretion etc. of nutraceutical absorption and metabolite.And solid state fermentation production mechanization degree is lower, lack online sensor apparatus, process control is more difficult.
Summary of the invention
Technical problem to be solved by this invention is to provide a kind of probio cereal beverage and probio pulvis.
Another technical problem to be solved by this invention is the preparation method providing above-mentioned probio cereal beverage and pulvis.
For solving the problems of the technologies described above, technical scheme of the present invention is:
A kind of probio cereal beverage, in every 1000ml water, the raw material of active component consists of: cereal 8-12%, amylase 40-50u/ml, protease 100-120u/ml, inoculation at least one probio, and often kind of probio connects bacterium amount 10 6-10 7cFU/ml.
Preferably, above-mentioned probio cereal beverage, water content is 90%.
Preferably, above-mentioned probio cereal beverage, described cereal is the wherein a kind of or any combination of oat, wheat, rice, mustard wheat, brown rice, Chinese sorghum, millet, corn, glutinous rice, black rice, red bean, mung bean, soybean and black soya bean.
Preferably, above-mentioned probio cereal beverage, described cereal is made up of oat, soybean and black soya bean, counts oat 10-15 part, soybean 10-15 part, black soya bean 10-15 part by weight.
Preferably, above-mentioned probio cereal beverage, described cereal is made up of oat, soybean and black soya bean, counts oat 10.5 parts, soybean 14 parts, 10.5 parts, black soya bean by weight.
Preferably, above-mentioned probio cereal beverage, described probio is made up of Lactobacillus plantarum and animal bifidobacteria, and wherein, Lactobacillus plantarum connects bacterium amount and is: 10 6-10 7cFU/ml, animal bifidobacteria connect bacterium amount: 10 6-10 7cFU/ml.
Preferably, above-mentioned probio cereal beverage, described probio is made up of Lactobacillus plantarum and animal bifidobacteria, and wherein Lactobacillus plantarum connects bacterium amount 5-6 × 10 6cFU/ml, animal bifidobacteria connect bacterium amount 5-6 × 10 6cFU/ml.
A preparation method for probio cereal beverage, concrete steps are as follows:
(1) pulverize through beater after cereal being cleaned;
(2) amylase is added respectively after heating in feed liquid after being pulverized and protease carries out enzymolysis, wherein, amylase addition is 40-50u/ml, enzymatic hydrolysis condition is 60 DEG C-65 DEG C, 60-80min, protease addition 100-120u/ml, enzymatic hydrolysis condition are 55 DEG C-60 DEG C, 100-120min, after enzymolysis, DE value controls at 30-50%, and alpha-amido Control of Nitrogen Content is at 1.0-2.0g/100ml;
(3) feed liquid after enzymolysis is carried out sterilizing and the enzyme that goes out, wherein, described sterilising conditions is, 115 DEG C of sterilizing 30min, and go out enzyme simultaneously;
(4) after feed liquid cooling, access probio in matrix after sterilization, ferment, wherein, often kind of probio connects bacterium amount and is 10 6-10 7cFU/ml;
(5) after having fermented, undertaken centrifugal by tunning, centrifugal condition is 3000-5000r/min, 30-60min, and obtaining supernatant is probio cereal beverage; The FOS of 5%-15% (with the percentage by weight of centrifugal gained thalline and insoluble precipitate gross weight) is added as protective agent in centrifugal gained thalline and insoluble precipitate; after-70 ~-50 DEG C of pre-freeze 1-5h; carry out vacuum freeze drying; vacuum is 1-8pa; vacuum freeze drying 18-22h, makes probio pulvis.
Preferably, the preparation method of above-mentioned probio cereal beverage, in described step (4), often kind of probio connects bacterium amount is 5-6 × 10 6cFU/ml, incubation time 18h, cultivation temperature 37 ± 1 DEG C.
Preferably, the preparation method of above-mentioned probio cereal beverage, centrifugal gained supernatant can be made into probio cereal beverage, and centrifugal gained precipitation can be made into probio pulvis, achieves the maximization of raw material availability, and produces without waste liquid.
Preferably, the preparation method of above-mentioned probio cereal beverage, the obtained total viable count of probio cereal beverage can reach 10 8-10 9cFU/ml, in pulvis, total viable count can reach 10 10-10 11cFU/g.
Preferably, the preparation method of above-mentioned probio cereal beverage, centrifugal gained thalline described in step (5) and insoluble precipitate add the FOS of 10% as protective agent; Adding aseptic flavoring essence, stabilizing agent, pectin and virgin rubber in described supernatant, wherein, is 0.05-0.1% by the volume percentage flavoring essence addition of supernatant; Stabilizing agent addition is CMC 0.15-0.4%, pectin 0.15-0.3%, xanthans 0.15-0.3%.
The invention has the beneficial effects as follows:
Probio cereal beverage of the present invention, both saves the nutritive value of the crops such as cereal, has again the nutrition health-care functions of probiotics fermention goods, and mouthfeel is unique; This probio cereal beverage is prepared by specific process and obtains, the two kind large molecular nutrition composition starch maximum for content in cereal and the digestion of protein are target, amylase and protease is utilized to become to be easy to the Small molecular nutritional labeling etc. of probio and absorption of human body respectively by the starch in cereal and proteolysis, and then prepare probio cereal beverage and probio pulvis by probiotics fermention, ensureing that fermentation substrate is uniform while, be easy to realize large-scale production.
The preparation method of probio cereal beverage of the present invention, according to human nutrition absorption characteristics, the taste and particular/special requirement etc. of all ages and classes stage or different crowd, select the crops such as specific foodstuff grain, clean and crush after the mixing according to a certain percentage such as cereal, sterilizing is carried out after enzymolysis, access probio after sterilizing to ferment, product after fermentation is carried out centrifugal, supernatant through aseptic allotment, cannedly namely obtain product, and the deposits such as centrifugal obtained probio can make probio pulvis through composite, vacuum freeze drying.This have very large market development potential by insoluble substances such as the bacterial sediment of centrifugal for fermentation collected acquisition and strings through being processed into the technique being rich in probio pulvis, and concrete outstanding effect is as follows:
(1) raw material range of choice is extensive, can according to the trophic function feature of the crops such as various foodstuff grains, make full use of the characteristic of enzyme and probio, the macromolecular substances in raw material is resolved into the small-molecule substance being easier to absorption of human body, be also more conducive to growth of microorganism;
(2) general probio pulvis raw materials for production cost is higher, can produce a large amount of waste liquid in process of production, cause wastage of material and environmental pollution; With crops such as foodstuff grains for raw material, greatly reduce production cost; By manufacture craft of the present invention, functional beverage made by supernatant, and solids of sedimentation then makes probio pulvis, achieves the maximization of raw material availability, and produces without waste liquid;
(3) except containing except a large number of nutrients in the probio cereal beverage obtained by this preparation method, the total viable count of the probio contained reaches 10 8-10 9cFU/ml, in gained pulvis, the total viable count of probio reaches 10 10-10 11cFU/g.
Accompanying drawing explanation
Fig. 1: cereal adding proportion is on the impact of viable count total in gained probio cereal beverage after fermentation and probio pulvis;
Fig. 2: inoculum concentration is on the impact of viable count total in gained probio cereal beverage after fermentation and probio pulvis;
Fig. 3: incubation time is on the impact of viable count total in gained probio cereal beverage after fermentation and probio pulvis.
Detailed description of the invention
Below in conjunction with specific embodiment, technical scheme of the present invention is further described.
Embodiment 1
A kind of probio cereal beverage and pulvis, in every 1000ml water, the raw material of active component consists of: cereal 10%, amylase 45u/ml, protease 110u/ml, inoculation probio: Lactobacillus plantarum (CGMCC1.6971, CGMCC: China General Microbiological culture presevation administrative center) and animal bifidobacteria (CGMCC 1.3003), wherein Lactobacillus plantarum 6 × 10 6cFU/ml, animal bifidobacteria 6 × 10 6cFU/ml, described cereal is made up of oat, soybean and black soya bean, counts oat 10.5 parts, soybean 14 parts, 10.5 parts, black soya bean by weight.
The preparation method of above-mentioned probio cereal beverage and pulvis, concrete steps are as follows:
(1) pulverize through beater after cereal being cleaned;
(2) amylase is added respectively after heating in feed liquid after being pulverized and protease carries out enzymolysis, wherein, amylase addition is 45u/ml, enzymatic hydrolysis condition is 63 DEG C, 70min, protease addition 110u/ml, enzymatic hydrolysis condition are 57 DEG C, 110min, after enzymolysis, DE value controls 32%, and alpha-amido Control of Nitrogen Content is at 1.2g/100ml;
(3) feed liquid after enzymolysis is carried out sterilizing and the enzyme that goes out, wherein, described sterilising conditions is, 115 DEG C of sterilizing 30min, and go out enzyme simultaneously;
(4) after feed liquid cooling, access probio Lactobacillus plantarum in matrix after sterilization and animal bifidobacteria ferments, wherein, it is 6 × 10 that often kind of probio connects bacterium amount 6cFU/ml, incubation time 18h, cultivation temperature 37 ± 1 DEG C;
(5) after having fermented, undertaken centrifugal by tunning, centrifugal condition is 4000r/min, 45min, and obtaining supernatant is probio cereal beverage; Centrifugal gained thalline and insoluble precipitate are added the FOS of 10% as protective agent, and after-60 DEG C of pre-freeze 3h, carry out vacuum freeze drying, vacuum is 5pa, vacuum freeze drying 20h, makes probio pulvis.
Total viable count in gained probio cereal beverage is 7.35 × 10 8cFU/ml.Wherein, Lactobacillus plantarum viable count 6.38 × 10 8cFU/ml, it is 9.70 × 10 that the viable count of animal bifidobacteria can reach 7cFU/ml.Total viable count in probio pulvis is 7.21 × 10 10cFU/g.Wherein Lactobacillus plantarum viable count 6.47 × 10 10it is 7.40 × 10 that the viable count of CFU/g and animal bifidobacteria can reach 9cFU/g.
Embodiment 2
A kind of probio cereal beverage and pulvis, in every 1000ml water, the raw material of active component consists of: cereal 8%, amylase 50u/ml, protease 100u/ml, inoculation probio: Lactobacillus plantarum (CGMCC1.3921) and animal bifidobacteria (CGMCC 1.1852), wherein Lactobacillus plantarum 10 6cFU/ml, animal bifidobacteria 10 6cFU/ml, described cereal is made up of oat, soybean and black soya bean, counts oat 15 parts, soybean 10 parts, 15 parts, black soya bean by weight.
The preparation method of above-mentioned probio cereal beverage and pulvis, concrete steps are as follows:
(1) pulverize through beater after cereal being cleaned;
(2) amylase is added respectively after heating in feed liquid after being pulverized and protease carries out enzymolysis, wherein, amylase addition is 50u/ml, enzymatic hydrolysis condition is 60 DEG C, 80min, protease addition 100u/ml, enzymatic hydrolysis condition are 60 DEG C, 100min, after enzymolysis, DE value controls 30%, and alpha-amido Control of Nitrogen Content is at 2.0g/100ml;
(3) feed liquid after enzymolysis is carried out sterilizing and the enzyme that goes out, wherein, described sterilising conditions is, 115 DEG C of sterilizing 30min, and go out enzyme simultaneously;
(4) after feed liquid cooling, access probio Lactobacillus plantarum in matrix after sterilization and animal bifidobacteria ferments, wherein, it is 10 that often kind of probio connects bacterium amount 6cFU/ml, incubation time 14h, cultivation temperature 37 ± 1 DEG C;
(5) after having fermented, undertaken centrifugal by tunning, centrifugal condition is 3000r/min, 60min, and obtaining supernatant is probio cereal beverage; Centrifugal gained thalline and insoluble precipitate are added the FOS of 5% as protective agent, and after-70 DEG C of pre-freeze 1h, carry out vacuum freeze drying, vacuum is 8pa, vacuum freeze drying 18h, makes probio pulvis.
Total viable count in gained probio cereal beverage is 6.69 × 10 8cFU/ml.Wherein, Lactobacillus plantarum viable count 6.10 × 10 8cFU/ml, it is 5.90 × 10 that the viable count of animal bifidobacteria can reach 7cFU/ml.Total viable count in probio pulvis is 6.20 × 10 10cFU/g.Wherein Lactobacillus plantarum viable count 5.61 × 10 10it is 5.50 × 10 that the viable count of CFU/g and animal bifidobacteria can reach 9cFU/g.
Embodiment 3
A kind of probio cereal beverage and pulvis, in every 1000ml water, the raw material of active component consists of: cereal 12%, amylase 40u/ml, protease 120u/ml, inoculation probio: Lactobacillus plantarum (CGMCC1.3915) and animal bifidobacteria (CGMCC 1.1852), wherein Lactobacillus plantarum 10 7cFU/ml, animal bifidobacteria 10 7cFU/ml, described cereal is made up of oat, soybean and black soya bean, counts oat 12 parts, soybean 13 parts, 11 parts, black soya bean by weight.
The preparation method of above-mentioned probio cereal beverage and pulvis, concrete steps are as follows:
(1) pulverize through beater after cereal being cleaned;
(2) amylase is added respectively after heating in feed liquid after being pulverized and protease carries out enzymolysis, wherein, amylase addition is 40u/ml, enzymatic hydrolysis condition is 65 DEG C, 60min, protease addition 120u/ml, enzymatic hydrolysis condition are 55 DEG C, 120min, after enzymolysis, DE value controls 50%, and alpha-amido Control of Nitrogen Content is at 1.0g/100ml;
(3) feed liquid after enzymolysis is carried out sterilizing and the enzyme that goes out, wherein, described sterilising conditions is, 115 DEG C of sterilizing 30min, and go out enzyme simultaneously;
(4) after feed liquid cooling, access probio Lactobacillus plantarum in matrix after sterilization and animal bifidobacteria ferments, wherein, it is 10 that often kind of probio connects bacterium amount 7cFU/ml, incubation time 26h, cultivation temperature 37 ± 1 DEG C;
(5) after having fermented, undertaken centrifugal by tunning, centrifugal condition is 5000r/min, 30min, and obtaining supernatant is probio cereal beverage; Centrifugal gained thalline and insoluble precipitate are added the FOS of 15% as protective agent, and after-50 DEG C of pre-freeze 5h, carry out vacuum freeze drying, vacuum is 1pa, vacuum freeze drying 22h, makes probio pulvis.
Total viable count in gained probio cereal beverage is 6.53 × 10 8cFU/ml.Wherein, Lactobacillus plantarum viable count 6.01 × 10 8cFU/ml, it is 4.20 × 10 that the viable count of animal bifidobacteria can reach 7cFU/ml.Total viable count in probio pulvis is 6.73 × 10 10cFU/g.Wherein Lactobacillus plantarum viable count 6.08 × 10 10it is 6.50 × 10 that the viable count of CFU/g and animal bifidobacteria can reach 9cFU/g.
Embodiment 4
A kind of probio cereal beverage and pulvis, in every 1000ml water, the raw material of active component consists of: cereal 11%, amylase 47u/ml, protease 115u/ml, inoculation probio: Lactobacillus plantarum (CGMCC1.3915) and animal bifidobacteria (CGMCC 1.2226), wherein Lactobacillus plantarum 5 × 10 6cFU/ml, animal bifidobacteria 5 × 10 6cFU/ml, described cereal is mixed by weight ratios such as wheat, rice, mustard wheat, brown rice, Chinese sorghum, millet, corn, glutinous rice, black rice, red bean and mung beans and forms.
The preparation method of above-mentioned probio cereal beverage and pulvis, concrete steps are as follows:
(1) pulverize through beater after cereal being cleaned;
(2) amylase is added respectively after heating in feed liquid after being pulverized and protease carries out enzymolysis, wherein, amylase addition is 47u/ml, enzymatic hydrolysis condition is 62 DEG C, 75min, protease addition 115u/ml, enzymatic hydrolysis condition are 58 DEG C, 115min, after enzymolysis, DE value controls 35%, and alpha-amido Control of Nitrogen Content is at 1.5g/100ml;
(3) feed liquid after enzymolysis is carried out sterilizing and the enzyme that goes out, wherein, described sterilising conditions is, 115 DEG C of sterilizing 30min, and go out enzyme simultaneously;
(4) after feed liquid cooling, access probio Lactobacillus plantarum in matrix after sterilization and animal bifidobacteria ferments, wherein, it is 5 × 10 that often kind of probio connects bacterium amount 6cFU/ml, incubation time 22h, cultivation temperature 37 ± 1 DEG C;
(5) after having fermented, undertaken centrifugal by tunning, centrifugal condition is 4000r/min, 45min, and obtaining supernatant is probio cereal beverage; Centrifugal gained thalline and insoluble precipitate are added the FOS of 15% as protective agent, and after-60 DEG C of pre-freeze 4h, carry out vacuum freeze drying, vacuum is 4pa, vacuum freeze drying 20h, makes probio pulvis.
Total viable count in gained probio cereal beverage is 6.51 × 10 8cFU/ml.Wherein, Lactobacillus plantarum viable count 6.02 × 10 8cFU/ml, it is 4.90 × 10 that the viable count of animal bifidobacteria can reach 8cFU/ml.Total viable count in probio pulvis is 6.35 × 10 10cFU/g.Wherein Lactobacillus plantarum viable count 5.87 × 10 10it is 4.80 × 10 that the viable count of CFU/g and animal bifidobacteria can reach 9cFU/g.
In above-described embodiment 1-4, gained supernatant (probio cereal beverage) can add aseptic flavoring essence, stabilizing agent, pectin and virgin rubber according to needs of production, wherein, be 0.05-0.1% by the volume percentage flavoring essence addition of supernatant; Stabilizing agent addition is CMC 0.15-0.4%, pectin 0.15-0.3%, xanthans 0.15-0.3%.
Embodiment 5 screens example
The determination of screening example 1 cereal materials proportioning
After being processed by raw material as stated above, in institute's dosing state fermentation substrate, water content is 90%, oat: soybean: black soya bean ratio is respectively (%): 2:3:5; 3:3:4; 3:4:3; 4:3:3; 4:4:2; 115 DEG C of sterilizing 30min.
Connect bacterium amount and condition of culture: access Lactobacillus plantarum (CGMCC 1.6971) and animal bifidobacteria (CGMCC 1.3003), the inoculum concentration of two strains of lactic acid bacteria is 5 × 10 simultaneously 6cFU/ml, pH nature, cultivation temperature 37 ± 1 DEG C, cultivates 20h.The total viable count of probio measured in the rear gained probio cereal beverage of fermentation and probio pulvis carries out.
Result is as shown in Figure 1: best formula of cultivating is for (%): oat: soybean: black soya bean ratio is 3:4:3.Namely the total viable count recorded in gained probio cereal beverage is 3.21 × 10 8cFU/ml.Wherein, Lactobacillus plantarum viable count 2.72 × 10 8cFU/ml, it is 4.9 × 10 that the viable count of animal bifidobacteria can reach 7cFU/ml.Total viable count in probio pulvis is 4.70 × 10 10cFU/g.Wherein Lactobacillus plantarum viable count 4.42 × 10 10it is 4.8 × 10 that the viable count of CFU/g and animal bifidobacteria can reach 9cFU/g.
The determination of screening example 2 inoculum concentration
Ferment by the different bacterium amount that connects Simultaneous vaccination Lactobacillus plantarum (CGMCC 1.6971) and animal bifidobacteria (CGMCC 1.3003) in the oat optimized in cereal proportioning, soybean, black soya bean mixes liquid matrix.
Connect bacterium amount and condition of culture: the bacterium amount that connects of two strains of lactic acid bacteria is respectively: 2 × 10 6cFU/ml; 4 × 10 6cFU/ml; 6 × 10 6cFU/ml; 8 × 10 6cFU/ml.PH nature, cultivation temperature 37 ± 1 DEG C, cultivates 20h altogether, detects the total viable count of probio in gained probio cereal beverage after fermentation and probio pulvis.
Result is as shown in Figure 2: it is 6 × 10 that the best connects bacterium amount 6cFU/ml, the total viable count namely recorded in gained probio cereal beverage is 5.61 × 10 8cFU/ml.Wherein, Lactobacillus plantarum viable count 4.92 × 10 8cFU/ml, it is 6.9 × 10 that the viable count of animal bifidobacteria can reach 7cFU/ml.Total viable count in probio pulvis is 7.1 × 10 10cFU/g.Wherein Lactobacillus plantarum viable count is 6.70 × 10 10cFU/g, animal bifidobacteria viable count is 4.14 × 10 9cFU/g.
The determination of screening example 3 incubation time
Access inoculation plant breast bar (CGMCC 1.6971) and animal bifidobacteria (CGMCC 1.3003) simultaneously in the oat optimized in cereal proportioning, soybean, black soya bean liquid state fermentation matrix.
Connect bacterium amount and incubation time: the bacterium amount that connects of two strains of lactic acid bacteria is 6 × 10 respectively 6cFU/ml, pH nature, cultivation temperature 37 ± 1 DEG C, ferment 14 respectively, 18,22,26h, the number of live bacteria of probiotics in gained probio cereal beverage after fermentation and probio pulvis is detected.
Result is as shown in Figure 3: best incubation time is 18h.Namely the total viable count recorded in gained probio cereal beverage is 7.85 × 10 8cFU/ml.Wherein, Lactobacillus plantarum viable count 7.02 × 10 8it is 8.3 × 10 that the viable count of CFU/ml and animal bifidobacteria can reach 7cFU/ml.Total viable count in gained probio pulvis is 7.67 × 10 10cFU/g.Wherein Lactobacillus plantarum viable count is 6.81 × 10 10cFU/g, animal bifidobacteria viable count are 8.61 × 10 9cFU/g.
Embodiment 6 determination test example
Determination test example 1
The mensuration of total dietary fiber, soluble dietary fiber, insoluble diedairy fiber, beta glucan, isoflavones and amino-acid nitrogen content in probio cereal beverage before and after single bacterium, mixed bacterium enzymatic hydrolysis and fermentation
AACC32-07 and AOAC995.16 method is utilized to carry out measurement result in table 1 to total dietary fiber, soluble dietary fiber, insoluble dietary fiber content and the beta glucan content before single bacterium or mixed bacterium enzymatic hydrolysis and fermentation and after fermentation in gained probio cereal beverage.Utilize GB/T 23788-2009 method, the isoflavone content before single bacterium or mixed bacterium enzymatic hydrolysis and fermentation and after fermentation in gained probio cereal beverage is measured, the results are shown in Table 2.Utilize GB/T12143.2-89, the content of the amino nitrogen before measuring single bacterium or mixed bacterium enzymatic hydrolysis and fermentation and after fermentation in gained probio cereal beverage, the results are shown in Table 3.Wherein, as the beta glucan content of important prebiotics before enzymolysis and after fermentation in gained probio cereal beverage content be more or less the same, in a slight decrease.Isoflavones exists with glucosides and aglycon two kinds of forms.In probio cereal beverage, the Aglycones content be more easily absorbed by the body increases.Protein is under the effect of enzyme and probio, and amino nitrogen level increases to some extent.
Determination test example 2
The mensuration of total dietary fiber, soluble dietary fiber, insoluble diedairy fiber, beta glucan, isoflavones and amino-acid nitrogen content in probio pulvis before and after single bacterium, mixed bacterium enzymatic hydrolysis and fermentation
AACC32-07 and AOAC995.16 method is utilized to carry out measurement result in table 4 to total dietary fiber, soluble dietary fiber, insoluble dietary fiber content and the beta glucan content before enzymatic hydrolysis and fermentation and after fermentation in gained probio pulvis.Utilize GB/T 23788-2009 method, the isoflavone content before single bacterium or mixed fungus fermentation and after fermentation in gained probio pulvis is measured, the results are shown in Table 5.Utilize GB/T12143.2-89, the content of the amino nitrogen before measuring single bacterium or mixed fungus fermentation and after fermentation in gained probio pulvis, the results are shown in Table 6.Wherein, as important prebiotics beta glucan content reduce more, mainly due to centrifugal or filter after gained precipitation in, containing more insoluble diedairy fiber, soluble dietary fibre content is little.In probio pulvis, the Aglycones content be more easily absorbed by the body increases.Protein is under the effect of enzyme and probio, and amino nitrogen level increases to some extent.
Contain highly active two kinds of probios in the gained of instantiation described in invention probio cereal beverage and probio pulvis all simultaneously.Wherein in probio cereal beverage, Lactobacillus plantarum viable count is no less than 6.93 × 10 8cFU/ml, the viable count of animal bifidobacteria is no less than 8.10 × 10 7cFU/ml; In probio pulvis, Lactobacillus plantarum viable count is no less than 6.03 × 10 10cFU/g, the viable count of animal bifidobacteria is no less than 5.65 × 10 9cFU/g.Except containing except abundant nutriment in product of the present invention, also containing a large amount of probio.Lactobacillus plantarum mainly acts on the small intestine of human body, and animal bifidobacteria mainly acts on the large intestine of human body, thus better nurses one's health intestine microenvironment, and then promotes health.
The changes of contents of dietary fiber and beta glucan in gained probio cereal beverage before the single bacterium of table 1 or mixed bacterium enzymatic hydrolysis and fermentation and after fermentation
The changes of contents of glucosides and aglycon in gained probio cereal beverage before the single bacterium of table 2 or mixed bacterium enzymatic hydrolysis and fermentation and after fermentation
The changes of contents of amino nitrogen in gained probio cereal beverage before the single bacterium of table 3 or mixed bacterium enzymatic hydrolysis and fermentation and after fermentation
The changes of contents of dietary fiber and beta glucan in gained probio pulvis before the single bacterium of table 4 or mixed bacterium enzymatic hydrolysis and fermentation and after fermentation
The changes of contents of glucosides and aglycon in gained probio pulvis before the single bacterium of table 5 or mixed bacterium enzymatic hydrolysis and fermentation and after fermentation
The changes of contents of amino nitrogen in gained probio pulvis before the single bacterium of table 6 or mixed bacterium enzymatic hydrolysis and fermentation and after fermentation
In summary it can be seen:
1, after enzymolysis process in gained probio cereal beverage and probio pulvis total viable count higher than the viable count in the sample without enzymolysis process gained.And the content of the nutriment such as beta glucan contained in the probio cereal beverage of enzymolysis and mixed fungus fermentation two process gained and amino nitrogen is all higher than the beverage only having enzymolysis or the single process gained of mixed fungus fermentation.
2, freeze drying protectant can make the active material of biological products from destruction in freeze-drying process or after freeze-drying process, thus improves survival rate in preservation process of the survival rate of bioactivator in freeze-drying process and freeze-dried products and storage life.The condition of vacuum freeze drying described in screening example is through optimization and draws, adding 10% FOS is protective agent, and in the probio pulvis of gained, total viable count is the highest, and storage life is the longest.
Above-mentioned detailed description of this kind of probio cereal beverage and preparation method thereof being carried out with reference to embodiment; illustrative instead of determinate; several embodiments can be listed according to institute's limited range; therefore in the change do not departed under general plotting of the present invention and amendment, should belong within protection scope of the present invention.

Claims (10)

1. a probio cereal beverage, is characterized in that: in every 1000ml water, the raw material of active component consists of: cereal 8-12%, amylase 40-50u/ml, protease 100-120u/ml, inoculation at least one probio, and often kind of probio 10 6-10 7cFU/ml.
2. probio cereal beverage according to claim 1, is characterized in that: water content is 90%.
3. probio cereal beverage according to claim 1, is characterized in that: described cereal is the wherein a kind of or any combination of oat, wheat, rice, mustard wheat, brown rice, Chinese sorghum, millet, corn, glutinous rice, black rice, red bean, mung bean, soybean and black soya bean.
4. the probio cereal beverage according to claim 1 or 3, is characterized in that: described cereal is made up of oat, soybean and black soya bean, counts oat 10-15 part, soybean 10-15 part, black soya bean 10-15 part by weight.
5. probio cereal beverage according to claim 4, is characterized in that: described cereal is made up of oat, soybean and black soya bean, counts oat 10.5 parts, soybean 14 parts, 10.5 parts, black soya bean by weight.
6. probio cereal beverage according to claim 1, is characterized in that: described probio is made up of Lactobacillus plantarum and animal bifidobacteria, wherein connects bacterium amount and is: Lactobacillus plantarum 10 6-10 7cFU/ml, animal bifidobacteria 10 6-10 7cFU/ml.
7. probio cereal beverage according to claim 6, is characterized in that: described probio is made up of Lactobacillus plantarum and animal bifidobacteria, wherein connects bacterium amount and is: Lactobacillus plantarum 5-6 × 10 6cFU/ml, animal bifidobacteria 5-6 × 10 6cFU/ml.
8. the preparation method of probio cereal beverage described in claim 1, is characterized in that: concrete steps are as follows:
(1) pulverize through beater after cereal being cleaned;
(2) amylase is added respectively after heating in feed liquid after being pulverized and protease carries out enzymolysis, wherein, amylase addition is 40-50u/ml, enzymatic hydrolysis condition is 60 DEG C-65 DEG C, 60-80min, protease addition 100-120u/ml, enzymatic hydrolysis condition are 55 DEG C-60 DEG C, 100-120min, after enzymolysis, DE value controls at 30-50%, and alpha-amido Control of Nitrogen Content is at 1.0-2.0g/100ml;
(3) feed liquid after enzymolysis is carried out sterilizing and the enzyme that goes out, wherein, described sterilising conditions is, 115 DEG C of sterilizing 30min, and go out enzyme simultaneously;
(4) after feed liquid cooling, access probio in matrix after sterilization, ferment, wherein, it is 10 that often kind of probio connects bacterium amount 6-10 7cFU/ml;
(5) after having fermented, undertaken centrifugal by tunning, centrifugal condition is 3000-5000r/min, 30-60min, and obtaining supernatant is probio cereal beverage; Centrifugal gained thalline and insoluble precipitate are added the FOS of 5%-15% as protective agent, and after-70 ~-50 DEG C of pre-freeze 1-5h, carry out vacuum freeze drying, vacuum is 1-8pa, vacuum freeze drying 18-22h, makes probio pulvis.
9. the preparation method of probio cereal beverage according to claim 8, is characterized in that: in described step (4), often kind of probio connects bacterium amount is 5-6 × 10 6cFU/ml, incubation time 18h, cultivation temperature 37 ± 1 DEG C.
10. the preparation method of probio cereal beverage according to claim 8, is characterized in that: centrifugal gained thalline described in step (5) and insoluble precipitate add the FOS of 10% as protective agent.
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