CN110025639A - Application of the yeast dextran composition in prevent constipation - Google Patents

Application of the yeast dextran composition in prevent constipation Download PDF

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Publication number
CN110025639A
CN110025639A CN201910172666.8A CN201910172666A CN110025639A CN 110025639 A CN110025639 A CN 110025639A CN 201910172666 A CN201910172666 A CN 201910172666A CN 110025639 A CN110025639 A CN 110025639A
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yeast dextran
obtains
saccharomyces cerevisiae
probiotics
constipation
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王平
陈卓逸
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Zhejiang University of Technology ZJUT
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Zhejiang University of Technology ZJUT
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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
    • A23L33/00Modifying nutritive qualities of foods; Dietetic products; Preparation or treatment thereof
    • A23L33/10Modifying nutritive qualities of foods; Dietetic products; Preparation or treatment thereof using additives
    • A23L33/135Bacteria or derivatives thereof, e.g. probiotics
    • 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
    • A23L33/00Modifying nutritive qualities of foods; Dietetic products; Preparation or treatment thereof
    • A23L33/20Reducing nutritive value; Dietetic products with reduced nutritive value
    • A23L33/21Addition of substantially indigestible substances, e.g. dietary fibres
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    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61KPREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
    • A61K31/00Medicinal preparations containing organic active ingredients
    • A61K31/70Carbohydrates; Sugars; Derivatives thereof
    • A61K31/715Polysaccharides, i.e. having more than five saccharide radicals attached to each other by glycosidic linkages; Derivatives thereof, e.g. ethers, esters
    • A61K31/716Glucans
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    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61KPREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
    • A61K35/00Medicinal preparations containing materials or reaction products thereof with undetermined constitution
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    • A61K35/741Probiotics
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    • A61K35/74Bacteria
    • A61K35/741Probiotics
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    • A61K35/745Bifidobacteria
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    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
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    • A61K35/74Bacteria
    • A61K35/741Probiotics
    • A61K35/744Lactic acid bacteria, e.g. enterococci, pediococci, lactococci, streptococci or leuconostocs
    • A61K35/747Lactobacilli, e.g. L. acidophilus or L. brevis
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    • A23FOODS OR FOODSTUFFS; TREATMENT THEREOF, NOT COVERED BY OTHER CLASSES
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    • A23V2002/00Food compositions, function of food ingredients or processes for food or foodstuffs
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    • A23FOODS OR FOODSTUFFS; TREATMENT THEREOF, NOT COVERED BY OTHER CLASSES
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    • A23V2400/00Lactic or propionic acid bacteria
    • A23V2400/11Lactobacillus
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    • 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
    • A23V2400/113Acidophilus
    • 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
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    • A23V2400/125Casei
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    • A61K2236/30Extraction of the material
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Abstract

Middle application the present invention relates to yeast dextran composition in preparation for the drug, food and health care product of prevent constipation, wherein, the composition includes yeast dextran and probiotics, the yeast dextran and the weight ratio of probiotics are 1:1~10, the yeast dextran its be prepared by the following method acquisition: step 1) ball grinds: will Saccharomyces cerevisiae and grinding aid mix after carry out ball-milling treatment, obtain Saccharomyces cerevisiae powder;Step 2) alkali carries: Saccharomyces cerevisiae powder is extracted using auxiliary agent is extracted, and obtains yeast dextran crude extract;Step 3) purifying: protease hydrolyzed is added in the yeast dextran crude extract for taking step 2) to obtain, wherein extraction auxiliary agent is added by supplement, pH is maintained to stablize.Step 4) is dry: heating enzyme deactivation obtains enzymolysis liquid and obtains supernatant after separation, and dry supernatant obtains yeast dextran.

Description

Application of the yeast dextran composition in prevent constipation
Technical field
The present invention relates to a kind of preparations of yeast dextran composition for the drug of prevent constipation, food and health care product Middle application
Background technique
Constipation of slow-remove type (slow transit constipation, STC) is one kind as caused by different pathological process Complex clinical symptom is primarily referred to as defecation frequency is reduced, excrement is dry and hard, defecation is laborious etc., seriously affects patients ' life quality;Intestines Road water metabolism disorder is the main pathogenesis of constipation, and especially colon Spinal Cord Oedema is abnormal has direct relation with it.It is main Feature is that Colonic transit will pass through slowly, greatly time extension, with abdominal distension, is hard and dry.As modern people's rhythm of life adds Fastly, living standard improves, and dietary structure changes and social population's aging, and the illness rate of STC is in the trend that is gradually increasing, and with The growth at age and increase.Chronic constipation global incidence is about 14%, and wherein constipation of slow-remove type (STC) accounts for chronic special hair First of property 4 kinds of hypotypes of constipation.Constipation not only seriously affects the life quality of patient, also with acute cardiovascular and cerebrovascular disease, dementia, knot Carcinoma of the rectum etc. has close relationship.Postpartum, postoperative and old lie in bed have a possibility that adjoint constipation symptom, therefore accordingly add Strong prevention and intervening measure can reduce hemorrhoid incidence, improve clinical patient outcome, reduce phase to timely treatment constipation The generation for closing complication, finally significantly improves the quality of life of patient.
It is divided into Western medicine and Chinese medicine two major classes for the drug of prevent constipation currently on the market, Chinese medicine includes raw rhubarb, radish Son, evodia rutaecarpa etc., Western medicine are mostly magnesia compound as main component, and long-term use is also easy to produce drug resistance, and with one Serial side effect.Probiotics and increasingly become research in prebiotics 2 years nearly to the protective effect of intestinal flora and intestinal tissue Hot spot.Yeast beta-dextran is natural prebiotics, is widely distributed in fungi, bacterium and plant cell wall, such as America Ji Song In young pilose antler, mushroom, ganoderma lucidum, oat etc..Various biological activity is not only played in various organisms, but also between various biologies Influence each other in also play a very important role, be play health-care effect main composition.It has now been found that its With antitumor, anti-radiation, reducing blood lipid, norcholesterol, adjust blood glucose and prevention cardiovascular disease, repair cell, improvement enteron aisle The effects of, it is research hotspot in recent years as efficient biological respinse regulatory factor (BRM).Beta glucan is a kind of structure Complicated glucose polycomplex, is prevalent in the cell wall of bacterium, yeast, mushroom, cereal and seaweed etc..In vivo and In vitro test it has been shown that separate sources β -1,3/1,6- glucan can enhance that host innate is immune and acquired immunity function Can, the ability of enhancing pathogenic bacteria, virus and parasitic infection, is the immunopotentiator of great bioactivity.Saccharomyces cerevisiae Glucan is the poly sugar compounds being found earliest, and the highest compound of polysaccharide of activity studied at present.
Summary of the invention
The present invention relates to yeast dextran compositions in drug, food and health care product of the preparation for prevent constipation It include yeast dextran and probiotics using, wherein the composition, the weight ratio of yeast dextran and probiotics is 1:1~10, the yeast dextran are prepared by the following method acquisition:
Step 1) ball grinds: ball-milling treatment is carried out after high activity Saccharomyces cerevisiae and grinding aid are mixed, obtains bread Yeast powder;
Step 2) alkali carries: Saccharomyces cerevisiae powder is extracted using auxiliary agent is extracted, and obtains yeast dextran crude extract, wherein institute State extract auxiliary agent be selected from one of sodium chloride, sodium hydroxide, sodium bicarbonate, sodium hydrogensulfite and sodium bisulphate solution or Two kinds of person or more;
Step 3) purifying: protease hydrolyzed is added, wherein passes through benefit in the yeast dextran crude extract for taking step 2) to obtain Filling addition extraction auxiliary agent maintains pH to stablize;
Step 4) is dry: heating enzyme deactivation obtains enzymolysis liquid and obtains supernatant after separation, and dry supernatant obtains yeast Portugal Glycan.
Preferably, alkali carries method in the step 2) are as follows: be stirred to react after mixing Saccharomyces cerevisiae with extraction auxiliary agent;More Preferably, the reaction time is 30min~60min, and reaction temperature is 30 DEG C~60 DEG C.
Preferably, the weight ratio of the yeast dextran and probiotics is 1:1~5, more preferably 1:1~3.
Preferably, protease described in the step 3) is selected from one of cellulase, papain, pectase Or it is a variety of;It is highly preferred that the protease is melon protease and cellulase complex enzyme.
Preferably, the enzymolysis liquid of the step 4) is centrifuged acquisition supernatant, supernatant is freeze-dried and is obtained Yeast dextran.
Preferably, the mass fraction of the extraction auxiliary agent is 20~80%, quality dosage is Saccharomyces cerevisiae powder 10-60 times of quality, preferably 30-40 times.
Preferably, rotational speed of ball-mill is 20-500rpm, preferably 20-100rpm;Ball-milling Time is 10-60min, preferably 30- 40min, preferably, the grinding aid is selected from sodium chloride, sodium hydroxide, sodium bicarbonate, sodium hydrogensulfite and sulphur One kind of sour hydrogen sodium solid or two kinds or more;Grinding aid helps salt or the alkalization of breaking-wall cell and intracellular organic matter outflow Close object.
Preferably, the probiotics is bifidobacterium adolescentis, bifidobacterium longum, bifidobacterium breve, acidophilus lactic acid bar Bacterium, Raman Bacillus acidi lactici, Lactobacillus casei, Lactobacillus rhamnosus, animal bifidobacteria, bifidobacterium thermophilum, leukonid It is one such or a variety of;
The present invention is divided from yeast cells using the method that chaotropic agent self-dissolving, mechanochemistry auxiliary and enzyme induction combine From yeast dextran is obtained, Constipated mice is caused using Loperamide, utilizes mice with constipation model evaluation yeast dextran And the cooperation prescription of probiotics prevent constipation effect in vivo, it finally found that glucan leads Loperamide with probiotics compatibility The constipation of cause have good prevention effect, while to restore intestinal microecology balance play the role of it is preferable, the party have work Dosage is low, administration number of times is few and is easy to the advantages that extracting preparation, for prevent constipation and improve intestinal flora it is unbalance provide it is new Selection.
The present invention is milled after mixing yeast powder with ball-milling additive with tumbling ball mill, is mentioned using alkaline extraction It takes and protease purification, gained extracting solution obtains yeast dextran freeze-dried powder by freeze-drying.Made with Loperamide Hydrochloride For modeling drug, the preparation of Constipation Model is carried out using Balb/c mouse as experimental animal.On the basis of this model, ferment is given in stomach-filling Female glucan and Bifidobacterium probiotics carry out preventive administration treatment, gastrointestinal motility ability and defecation feelings to constipation Condition inquires into the prevention effect for the Constipation Model mouse that yeast dextran combined hearth-care bacterium induces Loperamide.In order to further Glucan and probiotics are studied to the mechanism of action of prevent constipation and adjusting intestinal flora.Simultaneously using HS/GC/MS to mouse excrement Just short chain fatty acids (SCFA) are measured, and are measured using 16S RNA high-flux sequence to mouse intestinal flora.Knot Fruit shows that yeast dextran joint probiotics can effectively prevent constipation of slow-remove type symptom caused by Loperamide, can promote stomach Intestines peristalsis adjusts the expression of Serum IL-18, Nrf-2 and HO-1 etc., show glucan have improve mouse autoimmunity and The effect of oxidation resistance improves the resistance to disease to mouse, including the enteron aisle for resisting Loperamide intervention induction Power inhibits and motility, achievees the effect that prevent constipation.While by increased faecal short chain fatty acid type and containing Amount and intestinal flora diversity may indicate that glucan may be by maintaining this potential machine of intestinal flora microecological balance System, achievees the effect that prevent constipation more preferably than chemicals.
The present invention researches show that yeast dextran combination probiotic group at prebiotics functional health-care food have it is effective Prevent constipation and adjust intestinal flora effect, and have effective dose it is low, administration number of times it is few and be easy to extract preparation etc. it is excellent Point implies that yeast dextran can be used as a kind of novel functionality food applied to clinical prevention constipation in conjunction with probiotics Product, health care product or drug.
Detailed description of the invention:
Fig. 1 is mice with constipation intestinal flora and blank group and model group comparison Venn after 5 yeast dextran of test example is intervened Figure;
Fig. 2 is mice with constipation intestinal flora and blank group and model group comparison Venn after 6 yeast dextran of test example is intervened Figure;
Fig. 3 is mice with constipation intestinal flora and blank group and model group comparison Venn after 7 yeast dextran of test example is intervened Figure;
Fig. 4 is mice with constipation intestinal flora and blank group and model group comparison Venn after 8 yeast dextran of test example is intervened Figure;
Fig. 5 be after total therapeutic intervention mouse intestinal with blank group and model group comparison Venn figure;
Fig. 6 is mice with constipation serum HO-1 expression figure (A: test example 1 after yeast dextran is intervened;B: test example 2;
C: test example 3;D: test example 4);
Fig. 7 is mice with constipation serum N rf-2 expression figure (A: test example 1 after yeast dextran is intervened;B: test example 2;
C: test example 3;D: test example 4);
Fig. 8 is mice with constipation Serum IL-18 expression figure (A: test example 1 after yeast dextran is intervened;B: test example 2;
C: test example 3;D: test example 4);
Fig. 9 is total compound information of mice with constipation faecal short chain fatty acid after 1 yeast dextran of test example is intervened;
Figure 10 is total compound information of mice with constipation faecal short chain fatty acid after 2 yeast dextran of test example is intervened;
Figure 11 is total compound information of mice with constipation faecal short chain fatty acid after 3 yeast dextran of test example is intervened;
Figure 12 is total compound information of mice with constipation faecal short chain fatty acid after 4 yeast dextran of test example is intervened;
Figure 13 is total compound information of blank control group mouse faecal short chain fatty acid;
Figure 14 is total compound information of mice with constipation intestines faecal short chain fatty acid.
Specific embodiment
The present invention program is described further combined with specific embodiments below, but protection scope of the present invention and not only It is limited to this.
In following case study on implementation in yeast dextran protein measuring method are as follows:
The measurement of protein: using Kjeldahl's method, referring to GB/T5009.5-2003 " measurement of Protein in Food "; The measurement of ash content: using calcination Weight, referring to GB/T 5009.4-2003 " measurement of ash content in food ";The survey of moisture It is fixed: direct drying method to be used, referring to GB/T 5009.3-2003 " measurement of moisture in food ".
In following case study on implementation in yeast dextran polysaccharide content assaying method are as follows:
Sample 10mg is weighed, the H of 5ml 8mol/L is first used2SO4After hydrolyzing 5min, it is diluted with water to 1.5mol/L, in 100 3h is hydrolyzed at DEG C, after being cooled to room temperature, is settled to 250mL, is weighed 1.0mL and is measured by Phenol sulfuric acid procedure.
In formula, X --- callose content
C --- concentration of glucose in sample hydrolyzate, g/mL;
V --- sample hydrolyzate constant volume;
The quality of M --- sample, g;
F --- 0.9 is converted into the coefficient of glucan for glucose.
One, the preparation of yeast dextran
Embodiment 1
Step 1) ball grinds: 10g Saccharomyces cerevisiae powder and grinding aid sodium hydrate solid are sufficiently mixed, grinding aid Additive amount be mass fraction 20%, be placed in tumbling ball mill, 30 medium size ball milling pearls be added, with ball mill carry out ball milling It extracts, revolving speed 100rpm, mixed grinding 30min;
Step 2) alkali carries: being to extract solution with NaOH solution, and NaOH solution mass fraction is 20%, and quality dosage is face 30 times of the quality of packet yeast powder carry out secondary alkali carries to yeast powder, extract 40min at 40 DEG C, it is thick to obtain yeast dextran Extract;
Suitable papain, enzymatic hydrolysis purifying is added in step 3) purifying in yeast dextran crude extract, and uses 1mol/ The NaOH solution of L maintains pH constant, obtains enzymolysis liquid;
Step 4) is dry: enzymolysis liquid being put into boiling water bath, enzyme deactivation 10min is heated, enzymolysis solution after enzyme deactivation is centrifuged Machine centrifugation, revolving speed 1000rpm are centrifuged 10min, obtain supernatant;Supernatant is freeze-dried, the ferment of higher degree is obtained Female glucan;The protein content of obtained high-purity yeast dextran is 6.23%, and polyoses content reaches 79.20%.
Embodiment 2
Step 1) ball grinds: 10g Saccharomyces cerevisiae powder and grinding aid sodium hydrate solid are sufficiently mixed, grinding aid Additive amount be mass fraction 40%, be placed in tumbling ball mill, 30 medium size ball milling pearls be added, with ball mill carry out ball milling It extracts, revolving speed 100rpm, mixed grinding 30min;
Step 2) alkali carries: using NaOH solution as Extraction solvent, mass fraction 30%, quality dosage is Saccharomyces cerevisiae powder 30 times of quality;Secondary microwave alkali carries are carried out to yeast powder, 40min is extracted at 40 DEG C, obtains yeast dextran crude extract;
Suitable papain, enzymatic hydrolysis purifying is added in step 3) purifying in yeast dextran crude extract, and uses 1mol/ The NaOH solution of L maintains pH constant, obtains enzymolysis liquid;
Step 4) is dry: enzymolysis liquid being put into boiling water bath, enzyme deactivation 10min is heated, enzymolysis solution after enzyme deactivation is centrifuged Machine centrifugation, revolving speed 1000rpm are centrifuged 10min, obtain supernatant;Supernatant is freeze-dried, the ferment of higher degree is obtained Female glucan;The protein content of obtained yeast dextran is 6.08%, and polyoses content reaches 74.28%.
Embodiment 3
Step 1) ball grinds: 10g Saccharomyces cerevisiae powder and grinding aid solid sodium chloride are sufficiently mixed, grinding aid Additive amount is mass fraction 80%, is placed in tumbling ball mill, 30 medium size ball milling pearls are added, and carries out ball milling with ball mill and mentions It takes, revolving speed 100rpm, mixed grinding 30min;
Step 2) alkali carries: using NaOH solution as Extraction solvent, mass fraction 40%, quality dosage is Saccharomyces cerevisiae powder 40 times of quality.Secondary microwave alkali carries are carried out to yeast powder, 40min is extracted at 40 DEG C, obtains yeast dextran crude extract;
Suitable cellulase, enzymatic hydrolysis purifying is added in step 3) purifying in yeast dextran crude extract, and uses 1mol/L NaOH solution maintain pH it is constant, obtain enzymolysis liquid;
Step 4) is dry: enzymolysis liquid being put into boiling water bath, enzyme deactivation 10min is heated, enzymolysis solution after enzyme deactivation is centrifuged Machine centrifugation, revolving speed 1000rpm are centrifuged 10min, obtain supernatant;Supernatant is freeze-dried, the ferment of higher degree is obtained Female glucan;The protein content of obtained yeast dextran is 5.65%, and polyoses content reaches in yeast dextran 81.74%.
Embodiment 4
Step 1) ball grinds: 10g Saccharomyces cerevisiae powder and grinding aid sodium hydrate solid are sufficiently mixed, grinding aid Additive amount be mass fraction 40%, be placed in tumbling ball mill, 30 medium size ball milling pearls be added, with ball mill carry out ball milling It extracts, revolving speed 100rpm, mixed grinding 30min;
Step 2) alkali carries: using NaOH solution as Extraction solvent, mass fraction 50%, quality dosage is Saccharomyces cerevisiae powder 40 times of quality;Secondary microwave alkali carries are carried out to yeast powder, 40min is extracted at 40 DEG C, obtains yeast dextran crude extract;
Suitable papain and cellulase complex enzyme, enzyme is added in step 3) purifying in yeast dextran crude extract Solution purifying, and maintain pH constant with the NaOH solution of 1mol/L, obtain enzymolysis liquid;
Step 4) is dry: enzymolysis liquid being put into boiling water bath, enzyme deactivation 10min is heated, enzymolysis solution after enzyme deactivation is centrifuged Machine centrifugation, revolving speed 1000rpm are centrifuged 10min, obtain supernatant;Supernatant is freeze-dried, the ferment of higher degree is obtained Female glucan;The protein content of obtained yeast dextran is 5.27%, and polyoses content reaches in yeast dextran 89.13%.
Two, test is investigated in the defecating feces excretion of yeast dextran combination probiotic group and adjusting intestinal flora effect
The early-stage preparations of drug in following case study on implementation are as follows:
Physiological saline, Loperamide Hydrochloride, yeast dextran, 5% gum arabic and active carbon.
Animal intestinal tract parametric measurement method in following case study on implementation are as follows:
The measurement of mice with constipation enteron aisle propulsion rate: to after Loperamide Hydrochloride 0.5 hour, dosage group is given respectively containing corresponding The prepared Chinese ink (active powdered carbon, 10% gum arabic containing 5%) of given the test agent is negative and model control group gives prepared Chinese ink stomach-filling.25 points Cervical dislocation puts to death animal immediately after clock, opens abdominal cavity and separates mesenterium, clip upper end from the intestinal tube of pylorus, lower end to ileocecus, It is placed on pallet, small intestine is gently pulled into straight line, measurement Length of intestine is " total small intestinal length ", is from pylorus to prepared Chinese ink forward position " prepared Chinese ink propulsion length ", is calculated as follows ink progradation:
The assessment of mouse defecation condition: it after the administration of each group intragastric administration on mice, is immediately transferred into the metabolic cage for being lined with filter paper, prohibits Food can't help water, observe and record the first grain melena event of exclusion of every mouse in 5 hours, defecation granule number, stool weight;Observation After, measurement excrement dry weight (weight after 80 DEG C of drying for 24 hours).Excrement water content is calculated according to following formula:(wherein m1, m2 are respectively excrement weight in wet base and excrement dry weight).
The assay of gastrointestinal hormone in mice with constipation serum: supernatant obtained by each group in Intestinal pushing experiment is taken, to IL- 18, Nrf-2, HO-1 content are measured.
The measuring method of faecal short chain fatty acid in following case study on implementation are as follows:
Fecal specimens processing: accurately weighing 100mg fecal specimens, 0.9ml 0.01mol/L PBS buffer solution is added, sufficiently Dissolution after the 6% phosphoric acid mixing of 1/6 volume is added, is being added 1ml ether, is shaking 10min, and 3000rpm is centrifuged 5min, takes Ether layer is added anhydrous calcium chloride and removes moisture, takes 2 microlitres of sample 7697A-7890B-5977B gas chromatography-mass spectrographies Instrument (Aglient company, the U.S.) measurement.
Chromatographic condition: DB-624UI capillary column (30m x 0.25mm, 1.40 μm, middle polar column);Injector temperature: 250℃;Carrier gas is He gas;Temperature programming condition: 50 DEG C of initial temperature, 1min is kept, is warming up to 200 with the rate of 10 DEG C/min DEG C, keep 10min;Column flow: 1mL/min;Headspace sampling, ml headspace bottle equilibrium temperature is 100 DEG C, equilibration time 25min, fixed 110 DEG C of circumstance temperature degree of amount, 120 DEG C of transmission line temperature, split ratio 10:1
Mass Spectrometry Conditions: it 280 DEG C of junction temperature, electron energy 70eV, 230 DEG C of ion source temperature, scanning mode: sweeps entirely It retouches;Solvent delay 0;Compose library NIST 17.
Specification Curve of Increasing: precision, which weighs acetic acid, propionic acid, butyric acid and adds diethyl ether, is made the solution containing about 0.5mg/mL respectively, For stock solution.Take stock solution and inner mark solution, be configured to ultimate density containing standard items it is each 1000,400,200,100,50,10, The serial solution (each containing the internal standard 50ug/mL) of 5ug/mL, sample introduction is analyzed.Using reference substance and the ratio of internal standard compound concentration as abscissa, Corresponding peak area ratio is ordinate, draws standard curve
Data Processing in Experiment: each group experimental data uses mean ± standard deviation (mean ± SD) to indicate, single factor test variance point Analysis;P < 0.05 indicates that two groups of differences are statistically significant.
Test example 1
Balb/c mouse 30 are taken, 3 groups in total, every group 10, male, 18~22g of weight, continuous 4 weeks stomach-filling glucans (10mg/kg weight comes from embodiment 1), Bifidobacterium probiotics (30mg/kg weight), model group and blank group are not processed, The isometric physiological saline of stomach-filling.After four weeks, glucan group and model group stomach-filling Loperamide Hydrochloride (10mg/kg) 5 days, blank group (No group) not modeling, does same treatment with physiological saline.Record the daily behavior situation of each group mouse.When melena is arranged in measurement for the first time Between, intestinal transport rate, stool weight, excrement water content and short chain fatty acids, Serum IL-18, OH-1, Nrf-2 expression.
Experimental result can be shown in Table 1 and Fig. 3,4, and interpretation of result shows normally to organize compared with model group, and loperamide can be shown The gastrointestinal motility power for inhibiting mouse is write, and extends defecation time, is inhibited defecation (quantity, weight) (P < 0.05), glucan knot Closing probiotics can obviously prevent constipation situation caused by loperamide, significantly improve the gastrointestinal motility power of mice with constipation, And shorten defecation time, increase defecation (P < 0.05), in addition, compared to normal group, IL- relevant to immunocompetence in model group 18 are decreased obviously, and faecal short chain fatty acid type and content decline (P < 0.05).It is right after glucan and probiotics prevention administration The expression quantity of excrement SCFA and intestine immunity and oxidation resistance related gene IL-18, OH-1, Nrf-2 have obvious restore Effect, and the content of glucan group IL-18 has no and is decreased obviously, visible Fig. 6~8 of experimental result;With reference to Fig. 9~14, glucan And faecal short chain fatty acid type and content after probiotics prevention administration.
Test example 2
BALb/c mouse 30 are taken, 3 groups in total, every group 10, male, 18~22g of weight, continuous 4 weeks stomach-filling glucans (20mg/kg weight comes from embodiment 2), Bifidobacterium probiotics (50mg/kg weight), model group and blank group are not processed, The isometric physiological saline of stomach-filling.After four weeks, glucan group and model group stomach-filling Loperamide Hydrochloride (10mg/kg) 5 days, blank group (No group) not modeling, does same treatment with physiological saline.Record the daily behavior situation of each group mouse.When melena is arranged in measurement for the first time Between, intestinal transport rate, stool weight, excrement water content and short chain fatty acids, Serum IL-18, OH-1, Nrf-2 expression.
Experimental result can be shown in Table 1 and Fig. 3,4, and interpretation of result shows normally to organize compared with model group, and loperamide can be shown The gastrointestinal motility power for inhibiting mouse is write, and extends defecation time, is inhibited defecation (quantity, weight) (P < 0.05), glucan knot Closing probiotics can obviously prevent constipation situation caused by loperamide, significantly improve the gastrointestinal motility power of mice with constipation, And shorten defecation time, increase defecation (P < 0.05), in addition, compared to normal group, IL- relevant to immunocompetence in model group 18 are decreased obviously, and faecal short chain fatty acid type and content decline (P < 0.05).It is right after glucan and probiotics prevention administration The expression quantity of excrement SCFA and intestine immunity and oxidation resistance related gene IL-18, OH-1, Nrf-2 have apparent extensive Multiple effect, and the content of glucan group IL-18 has no and is decreased obviously, visible Fig. 6~8 of experimental result;With reference to Fig. 9~14, Portugal is poly- Faecal short chain fatty acid type and content after sugar and probiotics prevention administration.
Test example 3
Balb/c mouse 30 are taken, 3 groups in total, every group 10, male, 18~22g of weight, continuous 4 weeks stomach-filling glucans (25mg/kg weight comes from embodiment 3), Bifidobacterium probiotics (50mg/kg weight), the isometric physiological saline of stomach-filling.Surrounding Afterwards, glucan group and model group stomach-filling Loperamide Hydrochloride (10mg/kg) 5 days, physiological saline is used in blank group (No group) not modeling Do same treatment.Record the daily behavior situation of each group mouse.Measurement for the first time arrange the melena time, intestinal transport rate, stool weight, Excrement water content and short chain fatty acids, Serum IL-18, OH-1, Nrf-2 expression.
Experimental result can be shown in Table 1 and Fig. 3,4, and interpretation of result shows normally to organize compared with model group, and loperamide can be shown The gastrointestinal motility power for inhibiting mouse is write, and extends defecation time, is inhibited defecation (quantity, weight) (P < 0.05), glucan knot Closing probiotics can obviously prevent constipation situation caused by loperamide, significantly improve the gastrointestinal motility power of mice with constipation, And shorten defecation time, increase defecation (P < 0.05), in addition, compared to normal group, IL- relevant to immunocompetence in model group 18 are decreased obviously, and faecal short chain fatty acid type and content decline (P < 0.05).It is right after glucan and probiotics prevention administration The expression quantity of excrement SCFA and intestine immunity and oxidation resistance related gene IL-18, OH-1, Nrf-2 have apparent extensive Multiple effect, and the content of glucan group IL-18 has no and is decreased obviously, visible Fig. 6~8 of experimental result;With reference to Fig. 9~14, Portugal is poly- Faecal short chain fatty acid type and content after sugar and probiotics prevention administration.
Test example 4
Balb/c mouse 30 are taken, 3 groups in total, every group 10, male, 18~22g of weight, continuous 4 weeks stomach-filling glucans (25mg/kg weight comes from embodiment 4), Bifidobacterium probiotics (30mg/kg weight), model group and blank group are not processed, The isometric physiological saline of stomach-filling.After four weeks, glucan group and model group stomach-filling Loperamide Hydrochloride (10mg/kg) 5 days, blank group (No group) not modeling, does same treatment with physiological saline.Record the daily behavior situation of each group mouse.When melena is arranged in measurement for the first time Between, intestinal transport rate, stool weight, excrement water content and short chain fatty acids, Serum IL-18, OH-1, Nrf-2 expression.
Experimental result can be shown in Table 1, and interpretation of result shows normally to organize compared with model group, and loperamide can significantly inhibit small The gastrointestinal motility power of mouse, and extend defecation time, inhibit defecation (quantity, weight) (P < 0.05), glucan binding domian probiotics It can obviously prevent constipation situation caused by loperamide, significantly improve the gastrointestinal motility power of mice with constipation, and shorten row Just the time increases defecation (P < 0.05), in addition, compared to normal group, under IL-18 relevant to immunocompetence is obvious in model group Drop, faecal short chain fatty acid type and content decline (P < 0.05).After glucan and probiotics prevention administration, to excrement SCFA And the expression quantity of intestine immunity and oxidation resistance related gene IL-18, OH-1, Nrf-2 have apparent restitution, and The content of glucan group IL-18, which has no, to be decreased obviously, visible Fig. 6~8 of experimental result;With reference to Fig. 9~14, glucan and probiotics Faecal short chain fatty acid type and content after prevention administration.
The excrement parameter situation of 1 Loperamide of table cause mice with constipation
(A: test example 1;B: test example 2;C: test example 3;D: test example 4
* indicate there is significant difference compared with model group, p < 0.05, * * expression have extremely significant difference, p compared with model group < 0.01, # indicate variant with blank group, and p < 0.05, ## expression have extremely significant difference, p < 0.01 compared with model group.)
Three, glucan binding domian Bifidobacterium to prevent constipation and adjusts intestinal flora effect investigation test
Microbial population of animal intestinal tract measuring method in following case study on implementation are as follows:
Mice with constipation intestinal flora high throughput assay: excrement is taken to carry out 16S rRNA gene magnification and high-flux sequence.With Sample total DNA is template, uses 16S rRNA gene universal primer 338F (the 5 '-ACTCCTACGGGAGGCAGC AG- of bacterium 3) hypervariable region the V3-V5 gene of 16S rDNA therein is expanded with 806R (5-GGACTACHVGGGTWTCTAAT-3 ').
It can activity classification unit analysis OTU and Phylogenetic Analysis: being 0.03 to divide OTU according to sequence difference, statistics is every The sequence number of a OTU, OTU of the sequence ratio greater than 10% will be used for subsequent analysis.Statistics only has the OTU of a sequence, presses It is calculated according to C=(1- (n1/N)) * 100.Wherein, the GenBank database of itself and NCBI are carried out Blast to compare, by result In have determine classification information sequence downloading after be compared with ClustalX, Neighbour-joining method building system System development tree, bootstrap value are 1000.
Data Processing in Experiment: what MiSeq was sequenced is both-end sequence data, first according between PE reads Overlap relationship, by pairs of reads splicing (merge) at a sequence, while the effect of the quality and merge to reads Quality Control filtering is carried out, sample is distinguished according to the barcode at sequence head and the tail both ends and primer sequence and obtains ordered sequence, and corrects sequence Column direction, as optimization data.Each group experimental data uses mean ± standard deviation (mean ± SD) to indicate, single factor test variance point Analysis.P < 0.05 indicates that two groups of differences are statistically significant.
Test example 5
Balb/c mouse 30 are taken, 3 groups in total, every group 10, male, 18~22g of weight, continuous 4 weeks stomach-filling glucans (10mg/kg weight comes from embodiment 1), Bifidobacterium probiotics (30mg/kg weight), model group and blank group are not processed, The isometric physiological saline of stomach-filling.After four weeks, glucan group and model group stomach-filling Loperamide Hydrochloride (10mg/kg) 5 days, blank group (No group) not modeling, does same treatment with physiological saline.Record the daily behavior situation of each group mouse.Fecal specimens are taken to be used for 16s rRNA high-flux sequence, and data analysis is carried out by PCoA and PLS-DA etc..
Visible Fig. 1~5 of experimental result, interpretation of result show that intestinal flora diversity and composed structure are substantially change, explanation Glucan binding domian probiotic group can dramatically increase the adjusting for promoting gastrointestinal bacterial flora, and resist intestinal flora caused by constipation Unbalance (P < 0.05).
Test example 6
Balb/c mouse 30 are taken, 3 groups in total, every group 10, male, 18~22g of weight, continuous 4 weeks stomach-filling glucans (20mg/kg weight comes from embodiment 2), Bifidobacterium probiotics (50mg/kg weight), model group and blank group are not processed, The isometric physiological saline of stomach-filling.After four weeks, glucan group and model group stomach-filling Loperamide Hydrochloride (10mg/kg) 5 days, blank group (No group) not modeling, does same treatment with physiological saline.Record the daily behavior situation of each group mouse.Fecal specimens are taken to be used for 16s rRNA high-flux sequence, and data analysis is carried out by PCoA and PLS-DA etc..
Visible Fig. 1~5 of experimental result, interpretation of result show that intestinal flora diversity and composed structure are substantially change, explanation Glucan binding domian probiotic group can dramatically increase the adjusting for promoting gastrointestinal bacterial flora, and resist intestinal flora caused by constipation Unbalance (P < 0.05).
Test example 7
Balb/c mouse 30 are taken, 3 groups in total, every group 10, male, 18~22g of weight, continuous 4 weeks stomach-filling glucans (25mg/kg weight comes from embodiment 3), Bifidobacterium probiotics (50mg/kg weight), model group and blank group are not processed, The isometric physiological saline of stomach-filling.After four weeks, glucan group and model group distinguish stomach-filling Loperamide Hydrochloride (10mg/kg) 5 days, empty White group of (No group) not modeling, does same treatment with physiological saline.Record the daily behavior situation of each group mouse.Fecal specimens are taken to use Data analysis is carried out in 16s rRNA high-flux sequence, and by PCoA and PLS-DA etc..
Visible Fig. 1~5 of experimental result, interpretation of result show that intestinal flora diversity and composed structure are substantially change, explanation Glucan binding domian probiotic group can dramatically increase the adjusting for promoting gastrointestinal bacterial flora, and resist intestinal flora caused by constipation Unbalance (P < 0.05).
Test example 8
Balb/c mouse 30 are taken, 3 groups in total, every group 10, male, 18~22g of weight, continuous 4 weeks stomach-filling glucans (25mg/kg weight comes from embodiment 4), Bifidobacterium probiotics (30mg/kg weight), model group and blank group are not processed, The isometric physiological saline of stomach-filling.After four weeks, glucan group and model group stomach-filling Loperamide Hydrochloride (10mg/kg) 5 days, blank group (No group) not modeling, does same treatment with physiological saline.Record the daily behavior situation of each group mouse.Fecal specimens are taken to be used for 16s rRNA high-flux sequence, and data analysis is carried out by PCoA and PLS-DA etc..
Visible Fig. 1~5 of experimental result, interpretation of result show that intestinal flora diversity and composed structure are substantially change, explanation Glucan binding domian probiotic group can dramatically increase the adjusting for promoting gastrointestinal bacterial flora, and resist intestinal flora caused by constipation Unbalance (P < 0.05).

Claims (10)

1. middle application of the yeast dextran composition in preparation for the drug, food and health care product of prevent constipation, wherein institute Stating composition includes yeast dextran and probiotics, and the weight ratio of the yeast dextran and probiotics is 1:1~10, And yeast dextran is prepared by the following method acquisition:
Step 1) ball grinds: ball-milling treatment is carried out after high activity Saccharomyces cerevisiae and grinding aid are mixed, obtains Saccharomyces cerevisiae Powder;
Step 2) alkali carries: Saccharomyces cerevisiae powder is extracted using auxiliary agent is extracted, and obtains yeast dextran crude extract, wherein described to mention Auxiliary agent is taken to be selected from one of sodium chloride, sodium hydroxide, sodium bicarbonate, sodium hydrogensulfite and sodium bisulphate solution or two Kind or more;
Step 3) purifying: protease hydrolyzed is added in the yeast dextran crude extract for taking step 2) to obtain, wherein is added by supplement Entering to extract auxiliary agent maintains pH to stablize;
Step 4) is dry: heating enzyme deactivation obtains enzymolysis liquid and obtains supernatant after separation, and dry supernatant obtains yeast dextran.
2. application according to claim 1, it is characterised in that: alkali carries method in the step 2) are as follows: by Saccharomyces cerevisiae with Extraction auxiliary agent is stirred to react after mixing or microwave reaction;It is highly preferred that the reaction time is 30min~60min, reaction temperature is 30 DEG C~60 DEG C.
3. application according to claim 2, it is characterised in that: the weight ratio of the yeast dextran and probiotics For 1:1~5, preferably 1:1~3.
4. application according to claim 1, it is characterised in that: the protease in the step 3) is selected from cellulase, wood One or more of melon protease, pectase.
5. application according to claim 4, it is characterised in that: the protease is that papain and cellulase are multiple Synthase.
6. application according to claim 1, it is characterised in that: the enzymolysis liquid of the step 4) is centrifuged acquisition supernatant Supernatant is freeze-dried and obtains yeast dextran by liquid.
7. application according to claim 1, it is characterised in that: the mass fraction of the extraction auxiliary agent is 20~80%, Its quality dosage is 10-60 times of the quality of Saccharomyces cerevisiae powder.
8. application according to claim 7, it is characterised in that: the quality dosage of the extraction auxiliary agent is Saccharomyces cerevisiae 30-40 times of the quality of powder.
9. application according to claim 1, it is characterised in that: the probiotics is bifidobacterium adolescentis, long bifid bar Bacterium, bifidobacterium breve, Lactobacillus acidophilus, Raman Bacillus acidi lactici, Lactobacillus casei, Lactobacillus rhamnosus, animal bifid bar Bacterium, bifidobacterium thermophilum, leukonid are one such or a variety of.
10. application according to claim 1, it is characterised in that: the constipation is constipation of slow-remove type.
CN201910172666.8A 2019-03-07 2019-03-07 Application of the yeast dextran composition in prevent constipation Pending CN110025639A (en)

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Application publication date: 20190719