Embodiment
<lactobacillus bacterium 〉
The lactobacillus bacterium is a kind of of milk-acid bacteria, the present invention relates to the lactobacillus bacterium with immunoregulation effect that is contained in the composition that contains microorganism in the drinks manufacturing process.The lactobacillus bacterium preferably belongs to the lactobacillus bacterium of plant lactobacillus (Lactobacillus plantarum) or short lactobacillus (Lactobacillus brevis).
The mycology property of lactobacillus bacterium such as " in uncle's Jie Shi systematic bacteriology handbook (BERGEY ' S MANUAL ofSystematic Bacteriology) (the 1st volume 1984, the 2nd volume 1986, the 3rd volume 1989, the 4th volume 1989) record.
The representative bacterium of the milk-acid bacteria that the present invention relates to can be plant lactobacillus SAM2446 strain and short lactobacillus SAM2447 strain.This bacterium is preserved in Independent Administrative Leged Industrial Technology Complex Inst, the biological preservation of patent center (a kind of ground of 1 fourth order, east, ripple city, 1 central authorities the 6th are built in the Hitachinaka County, Japan), and its preserving number is FERMABP-10438 and FERM ABP-10439.The mycology property of plant lactobacillus SAM2446 strain (FERM ABP-10438) is as shown in table 1, and the mycology property of short lactobacillus SAM2447 strain (FERM ABP-10439) is as shown in table 2.
Table 1
Plant lactobacillus SAM 2446 strains (FERM ABP-10438)
Table 2
Short lactobacillus SAM 2447 strains (FERM ABP-10439)
Among the present invention, " have immunoregulation effect " and be meant when state or lower immune function usually, have immune activation effect (immunity effect effect) thereby or during immunologic hyperfunction immunosuppression form suitable immunological status effect (immunosuppressive action), make optimized active any effect at least of balance of cellular immunization and humoral immunization.Immunoregulation effect, for example can be promotion that cytokine produces or restraining effect, lymphocyte activation effect, the effect of NK (natural killer cell) increased activity, Th1/Th2 balance improvement effect, immunity reduces restraining effect, anti-allergic effects etc., but is not limited thereto.
Lactobacillus bacterium of the present invention, can by separate microorganism in the composition that contains microorganism from drinks manufacturing process, measure isolating each microorganism of institute immunoregulation effect, screen the strong bacterium of immunoregulation effect and obtain.
Among the present invention, " drinks manufacturing process " is meant with drinks and makes relevant series of processes.At this, also comprise the fruit wine of grape wine etc. in " drinks ", the fermented malt beverage of beer, sparkling wine etc., the liquor of pure mellow wine, whisky etc. etc.
The composition that contains microorganism is meant the composition that has microorganism in drinks manufacturing process, for example, and the raw material of blanking, karusen etc.
<composition 〉
The lactobacillus bacterium that the present invention relates to can be used as the composition utilization that contains this lactobacillus bacterium.Particularly preferred as pharmaceutical compositions utilization with immunoregulation effect.
The lactobacillus bacterium that is contained in the above-mentioned composition can be lactobacillus bacterium (viable bacteria and dead bacterium), the lactobacillus bacterium contains thing, lactobacillus bacterium fermented product, lactobacillus bacterium handled thing etc.Viable bacteria can contain the thing from the lactobacillus bacterium of this lactobacillus bacteria culture fluid etc. and obtains.Dead bacterium, for example can by viable bacteria is heated, acquisitions such as uviolizing, formalin processing.Can make handled thing by resulting viable bacteria, dead bacterium are further ground, fragmentation etc.
Be the composition that contains the lactobacillus bacterium that utilizes the lactobacillus bacterium among the present invention, can contain lactobacillus bacterium, this lactobacillus bacterium that the present invention relates to contain in thing, this lactobacillus bacterium fermented product, this lactobacillus bacterium handled thing at least any one.Described lactobacillus bacterium contains thing, for example can be lactobacillus bacterium suspension, lactobacillus bacterium culture (comprising thalline, culture supernatant, medium component), lactobacillus bacteria culture fluid (remove from the bacterium culture solids component after product), lactobacillus bacterium fermented-milk (lactobacillus bacteria beverage, yogurt, sour milk etc.).Be used to cultivate the substratum of the microorganism that belongs to lactobacillus,, do not have restriction especially, all can use so long as belong to the substratum that the microorganism of lactobacillus can grow.And lactobacillus bacterium handled thing for example can be triturate, broken thing, fraction (extracting solution etc.), enriched material, mashed prod, dry thing (spraying drying thing, lyophilize thing, vacuum-drying thing, roller drying thing etc.), dilution etc.In addition, plant lactobacillus SAM2446 strain and short lactobacillus SAM2447 strain that cause the present invention relates to are isolating from the wine making operation, so, for example contain the material that makes the tunning of fruit vegetables, cereal fermentation by the lactobacillus bacterium that the present invention relates to, also as a kind of optimal way of the composition that contains milk-acid bacteria that utilizes the lactobacillus bacterium among the present invention.And as mentioned above, the lactobacillus bacterium that the present invention relates to is exactly isolating from food originally, so safe.
Utilize the composition that contains the lactobacillus bacterium of lactobacillus bacterium among the present invention, preferably use as pharmaceutical compositions with immunoregulation effect.For example can be diet product, pharmaceuticals, feed etc.When being used for the diet product, can preferably implement as heath food with immunoregulation effect.And the various compositions that can mix known sweeting agent, acidic flavoring agent, VITAMIN etc. are made the product that is fit to user's hobby.For example, can tablet, the form of milk-product of capsule, health-care nutrient liquor, lozenge, chewing gum, sour milk etc., ice-creams, beverage, alcoholic beverage, food flavouring, processed food, Dessert, dessert etc. provides.
When being used for pharmaceuticals, can in main ingredient, use in the pharmaceutical preparations technology fields such as vehicle, wedding agent, disintegrating agent, lubricant, drug flavoring, solubility promoter, suspension agent, coating material normally used known auxiliary carry out preparationization.Formulation can be tablet, capsule, granule, powder, syrup, suppository, injection etc., is not particularly limited.The route of administration of these pharmaceuticals for example can be oral administration, rectal administration, through enteral administration etc., but is not particularly limited.
When being used for feed, for example can mixing thalline in raw materials such as feeds, or also can make an addition in the commercially available animal feed in pet food or domestic animal.Wherein, can be preferred in the bait of birds such as dog, cat or chicken etc.
<have a separation method of the milk-acid bacteria of immunoregulation effect 〉
The mensuration of immunoregulation effect can be used any method in the known method of those skilled in the art.For example, in the test of Th1 cytokines interleukin 12 (below be abbreviated as " IL-12 ") inducibility, to measure the generation of IL-12 by extracorporeal treatment by the peritoneal macrophage of mouse preparation.
The screening of the milk-acid bacteria that immunoregulation effect is strong can be undertaken by the strong bacterial strain of screening immunoregulation effect by the mensuration of above-mentioned immunoregulation effect.The standard of screening, can carry out with the milk-acid bacteria with known immunoregulation effect relatively, set with comparing or relatively wait suitably with mean value.In addition, except that immunoregulation effect, also can will whether show that general milk-acid bacteria good propagation adds in the screening criteria in substratum.
Among the present invention, " drinks manufacturing process " is meant with drinks and makes relevant series of processes.At this, also comprise the fruit wine of grape wine etc. in " drinks ", the fermented malt beverage of beer, sparkling wine etc., the liquor of pure mellow wine whisky etc. etc.
The composition that contains microorganism is meant the composition that has microorganism in drinks manufacturing process, for example is blanking raw material, karusen etc.
As separation source, by using fermentation liquid in the above-mentioned wine making operation etc., but the utmost point separates the milk-acid bacteria with immunoregulation effect efficiently.
Further describe the present invention by embodiment, but the invention is not restricted to the respective embodiments described above, in scope shown in the claim, can carry out all changes, for according to resulting embodiment after the different disclosed technique means of embodiment appropriate combination difference, also be contained in technical scope of the present invention.Embodiment
Embodiment 1
(use lactobacillus strain)
Be to select the strong bacterial strain of Th1 type immunity effect ability, will be from the wine making wine with dregs isolating 104 strains of lactic acid bacteria be used for the comparative experiments of interleukin 12 (IL-12) inducibility.
(IL-12 of stimulated in vitro induces)
To BALB/c mouse (7 ages in week are male), 4.05% sodium thioglycollate is carried out intraperitoneal administration, use PBS to reclaim the intraperitoneal scavenger cell after 4 days, use the RPMI substratum that contains 10%FBS to adjust to 2 * 10
6Behind the cells/mL, in the plate of 24 holes (well), add by every hole 0.5mL.In each hole, add the dead bacterium of heating (1 μ g/mL) of each bacterial strain, measure the IL-12 concentration in the culture supernatant of cultivating after 24 hours.Do not add dead bacterium in the contrast.Because of the active form of IL-12 be p35 and p40 subunit in conjunction with after p70, so measure IL-12 (p70).And use OptEIA mouse IL-12 to measure test kit (BDPharmingen corporate system) in the mensuration of IL-12.
The external IL-12 that estimates isolating 104 strains of lactic acid bacteria produces the result of ability, finds to contain in a large number to have the bacterial strain that IL-12 produces ability.Even comparing with known milk-acid bacteria with immunoregulation effect, the IL-12 of some of them bacterial strain generation ability also has very high activity.Wherein, have the IL-12 generation ability bacterial strain that exceeds 10 times of contrasts 12 strains are arranged, select so can be used as bacterial strain with high IL-12 generation ability.
Consider this high standard that exceeds 10 times of contrasts, think that this probability is quite high value, so, think that the wine making wine with dregs is highly beneficial with being worth as the separation source of immunomodulatory milk-acid bacteria.
Table 3
The bacterial strain mark |
The IL-12 generation is than (* 1) |
Contrast |
1 |
A(*2) |
45 |
B |
37 |
C |
36 |
D |
32 |
E |
31 |
F |
25 |
G |
25 |
H |
23 |
I |
20 |
J |
19 |
K |
13 |
L(*3) |
13 |
* 1: with respect to the IL-12 generation of each sample of contrast
* 2: SAM 2446 strains described later (FERM ABP-10438)
* 3: SAM 2447 strains described later (FERM ABP-10439)
Embodiment 2
(use lactobacillus strain)
Milk-acid bacteria 12 strains of selecting among the embodiment 1 are used for the comparative experiments of body internal stimulus IL-12 inducibility.
(IL-12 of body internal stimulus induces)
To BALB/c mouse (7 ages in week are male), with the dead bacterium of the heating of above-mentioned each bacterial strain (500 μ g/0.2mL/mouse) suspension (solvent: normal saline solution) carry out intraperitoneal administration, after the cervical vertebra dislocation, take a blood sample after 6 hours from heart.Mouse equivalent for contrast is thrown to normal saline solution.After the blood sampling, take serum, use the IL-12 concentration in OptEIA mouse IL-12 mensuration test kit (BD Pharmingen corporate system) the mensuration serum by centrifugation.
The result as shown in Figure 1.Serum il-12 concentration is high especially in A strain and L strain.Therefore, with its called after SAM2446 strain respectively, SAM2447 strain.
The evaluation of embodiment 3 SAM2446 strains, SAM2447 strain
The result of study of the mycology property of SAM2446 strain is as shown in table 1, and the result of study of the mycology property of SAM2447 strain is as shown in table 2.
By these results of study, infer that the SAM2446 strain is plant lactobacillus, the SAM2447 strain is a short lactobacillus.The known plants Bacterium lacticum has and has sorbyl alcohol with voltinism with do not have sorbyl alcohol two kinds with voltinism, and as shown in table 1, the SAM2446 strain is to have the lactobacillus inoculation of sorbyl alcohol with voltinism.And known short lactobacillus has and has the D-wood sugar with voltinism with do not have D-wood sugar two kinds with voltinism, and as shown in table 2, the SAM2447 strain is not have the lactobacillus inoculation of D-wood sugar with voltinism.
After from SAM2446 strain and SAM2447 strain, extracting DNA, 16S rRNA gene region is understood.Because of the 16SrRNA gene order (sequence number 1) of the SAM2446 strain through understanding has homology with the 16SrRNA gene order 99% of plant lactobacillus JCM1149T (ATCC14917), so be accredited as plant lactobacillus (Fig. 2).And the 16SrRNA gene order of SAM2447 strain (sequence number 2) has the homology with the 16SrRNA gene order 97% of short lactobacillus JCM1059T (ATCC14869), so be accredited as short lactobacillus (Fig. 3).
The immunity effect and the immunoregulation effect of embodiment 4 oral uptakes
To C57BL/6 mouse [Japanese Charles River Co., Ltd. (Japanese original name: Japanese チ ヤ one Le ズ リ バ one Co., Ltd.), 7 ages in week male, 1 group 4], make its mode freely absorb 1 all SAM2446 strains, SAM2447 strain (extremely thalline) with drinking-water (being equivalent to 0.2mg/day).And the control group of SAM2446 strain, SAM2447 strain is not absorbed in setting.Extraction spleen after 1 week.According to usual method, prepare splenocyte with the spleen that extracts, measure the active and cytokine generation ability of NK.The active mensuration of NK is that splenocyte and target cell Yac-1 were cultivated 4 hours altogether with the ratio of 200: 1 or 100: 1, re-uses flow cytometer is measured splenocyte with the PINK method cytotoxic activity.And make concanavalin A (Nacalai Tesque) 2.5mg/mL and splenocyte (5 * 10
6Individual/as mL) to act on 24 hours, measure the IFN-γ concentration that produces in the culture supernatant with ELISA method [OptEIA (BD BioScience)].
The active measurement result of NK as shown in Figure 4.Among Fig. 4, NK activity (%) expression is to the cytotoxicity of mouse boosting cell Yac-1, the spleens cell number that E: T reacts than expression: Yac-1 number.Can illustrate that from Fig. 4 (control) compares with control group, by oral uptake the NK activity of splenocyte of mouse preparation of SAM2446 strain, SAM2447 strain significantly improve.
The measurement result of IFN-γ concentration as shown in Figure 5.Can illustrate that from Fig. 5 (control) compares with control group, by oral uptake the IFN-γ concentration of splenocyte of mouse preparation of SAM2446 strain, SAM2447 strain significantly increase.
As mentioned above, at oral uptake NK is active in the mouse of SAM2446 strain, SAM2447 strain increases, promoted the generation of Th1 cytokines IFN-γ.Therefore, prove that SAM2446 strain, SAM2447 strain have the immunity effect effect and have immunoregulation effect.
The manufacturing of embodiment 5 soyabean milk fermented products
Is that condition makes an addition in the commercially available soya-bean milk with SAM2446 strain zymocyte liquid not to be subjected to other microbial contaminations, and 30 ℃ leave standstill 24 hours acquisition soyabean milk fermented products.Fermentation is carried out rapidly, can find that acidity improves and the pH value reduces.Resulting fermented product is compared with plant fermentation product in the past and is not presented offending fermented flavour etc., and presents fragrance excellent on the sense organ.
Embodiment 6 adds the manufacturing of the soya-bean milk at milk-acid bacteria end
Behind SAM2447 strain zymocyte liquid heat-sterilization, reclaim thalline by centrifugation (3000rpm, 10 minutes), resulting thalline carries out lyophilize.Stirring is added at this milk-acid bacteria thalline end in commercially available soya-bean milk, its suspension is dissolved in the soya-bean milk, the soya-bean milk at resultant interpolation milk-acid bacteria end is compared with the leavened food that contains milk-acid bacteria in the past, does not present unhappy fermented flavour etc., and presents fragrance excellent on the sense organ.
Embodiment 7 contains the manufacturing of the composition of milk-acid bacteria
Production Example 1: the pharmaceuticals that contain milk-acid bacteria
Tablet:
By method shown below, make the pharmaceuticals (tablet) that contain milk-acid bacteria.
50g SAM2446 strain thalline end is together mixed with 250g lactose and 2g Magnesium Stearate,, make the tablet of diameter 10mm, weight 300mg by using one-shot formula tabletting machine compressing tablet.
Granule:
In 100g SAM2447 strain thalline end, add the 0.5g Magnesium Stearate, compressed, pulverizing, whole grain, sieve after, obtain 20~50 purpose granules.
Production Example 2: the various diet product that contain milk-acid bacteria
With the composition shown in following, make the various diet product that added milk-acid bacteria.
Table 4
Sugar:
(composition) (weight part)
Sorbitol powder 99.7
Spices 0.2
SAM2446 strain thalline end 0.05
Sorbyl alcohol crystal seed (sorbitol seed) 0.05
Total amount 100.00
Table 5
Jelly (coffee jelly):
(composition) (weight part)
Refining white sugar 15.0
Gelatin 1.0
Coffee extract 5.0
Water 78.93
SAM2447 strain thalline end 0.07
Total amount 100.00
Table 6
Fruit juice:
(composition) (weight part)
Freeze concentration citrus unshiu Marcovitch fruit juice 5.0
Fructose Glucose Liquid sugar 11.0
Citric acid 0.2
L-xitix 0.02
SAM2446 strain thalline end 0.05
Spices 0.2
Pigment 0.1
Water 83.43
Total amount 100.00
Table 7
Soda pop:
(composition) (weight part)
Refining white sugar 8.0
Concentrate lemon juice 1.0
L-xitix 0.10
Citric acid 0.09
Trisodium Citrate 0.05
Colouring matter 0.05
Spices 0.15
Soda Ash Light 99.2min. 90.55
SAM2447 strain thalline end 0.01
Total amount 100.00
Table 8
Lactobacillus drink:
(composition) (weight part)
The fermented-milk 14.76 of milk solids composition 21%
Fructose Glucose Liquid sugar 13.31
Pectin 0.5
Citric acid 0.08
Spices 0.15
Water 71.14
SAM2446 strain thalline end 0.06
Total amount 100.00
Table 9
Lactobacillus drink:
(composition) (weight part)
The SAM2447 strain fermented-milk 14.82 of milk solids composition 21%
Fructose Glucose Liquid sugar 13.31
Pectin 0.5
Citric acid 0.08
Spices 0.15
Water 71.14
Total amount 100.00
Table 10
Coffee drinks:
(composition) (weight part)
Refining white sugar 8.0
Skim-milk 5.0
Caramel 0.2
Coffee extract 2.0
Spices 0.1
Polyglycerol fatty acid ester 0.05
Salt 0.05
Water 84.56
SAM2446 strain thalline end 0.04
Total amount 100.00
Table 11
Alcoholic beverage:
(composition) (weight part)
50 capacity % methyl alcohol 32.0
Granulated sugar 8.4
Fruit juice 2.4
SAM2447 strain thalline end 0.2
Purified Water 57.0
Total amount 100.0
Table 12
Sparkling wine:
(composition) (weight part)
Sparkling wine 99.98
SAM2447 strain thalline end 0.02
Total amount 100.0
Production Example 3: the feed that contains milk-acid bacteria
With composition as follows, make the feed that has added milk-acid bacteria.
Table 13
Feed:
(composition) (weight part)
Commercially available pet food 99.98
SAM2446 strain thalline end 0.02
Total amount 100.0
As absorb lactobacillus bacterium of the present invention etc., then can suppress lower immune function by composing immunologic function alive.And, can suppress organism is produced the various ill symptomses that bring to organism etc. of the excessive hyperfunction of dysgenic immunologic function and derivation thus by regulating the balance of immunologic function.According to the present invention, can efficiently obtain to have the milk-acid bacteria of immunoregulation effect.
<120〉a kind of immune regulation composite that has the novel lactobacillus bacterium of immunoregulation effect and contain this bacterium
A?novel?Lactobacillus?bacterium?having?immunomodulationg?effects?and?a?composition