CN115887535A - Compound traditional Chinese medicine residue fermentation liquor for preventing and treating avian colibacillosis and preparation method thereof - Google Patents

Compound traditional Chinese medicine residue fermentation liquor for preventing and treating avian colibacillosis and preparation method thereof Download PDF

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CN115887535A
CN115887535A CN202211172022.7A CN202211172022A CN115887535A CN 115887535 A CN115887535 A CN 115887535A CN 202211172022 A CN202211172022 A CN 202211172022A CN 115887535 A CN115887535 A CN 115887535A
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CN115887535B (en
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王一鸣
马红霞
胡俊男
党乔
张涛
孔令聪
朱道咪
谭紫凝
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Jilin Agricultural University
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Abstract

The invention provides a compound traditional Chinese medicine residue fermentation liquid for preventing and treating avian colibacillosis and a preparation method thereof, belonging to the technical field of traditional Chinese medicine residue fermentation liquids. The compound traditional Chinese medicine residue fermentation liquid is prepared by fermenting lactobacillus rhamnosus PC30-2-1, and can reduce the level of inflammatory cytokines of pathogenic escherichia coli of artificially infected birds, improve bursal index, improve appetite and disease resistance of livestock and poultry, promote weight gain, improve production benefit, reduce or replace the use of conventional antibacterial drugs, reduce drug residues, reduce the selection pressure of the antibacterial drugs, and inhibit or slow down the generation of drug resistance of clinical pathogenic bacteria.

Description

Compound traditional Chinese medicine residue fermentation liquid for preventing and treating avian colibacillosis and preparation method thereof
Technical Field
The invention belongs to the technical field of traditional Chinese medicine residue fermentation liquor, and particularly relates to compound traditional Chinese medicine residue fermentation liquor for preventing and treating avian colibacillosis and a preparation method thereof.
Background
Colibacillosis is a common infectious disease of various livestock and poultry, and pathogenic Escherichia coli (e.coli) is an important zoonotic pathogenic bacterium. Not only causes huge economic loss to the poultry breeding industry and hinders the sustainable healthy development of the poultry breeding industry, but also easily causes the safety problem of animal food and brings potential threat to the health and living environment of human beings. At present, the disease is mainly prevented and treated clinically by virtue of antibacterial drugs, but due to unreasonable use of the antibacterial drugs, multiple drug-resistant, cross-resistant and even super-drug-resistant strains continuously appear, and great difficulty is brought to prevention and treatment of the disease. For this reason, reducing or eliminating the resistance of pathogenic E.coli is critical for effective control of the disease. The traditional Chinese medicine has various biological activities of antibiosis, antivirus, immunoregulation and the like, is difficult to generate drug resistance due to various components, and has important significance for effectively preventing and treating bacterial diseases of livestock and poultry caused by pathogenic escherichia coli and ensuring human health and ecological environment. With the release of related regulations such as national veterinary antibacterial use reduction action schemes (2021-2025) in rural agricultural countries in China, the use of veterinary traditional Chinese medicines to reduce or replace conventional veterinary antibacterial medicines has become a new direction for industrial research hotspot and green and healthy development of animal husbandry. The lactobacillus rhamnosus is a safe and widely-applied probiotic, can tolerate the digestive tract environment of animals, can be planted in the intestinal tracts of people and animals, and has the effects of regulating intestinal flora, preventing and treating diarrhea, removing toxins, preventing decayed teeth, improving the immunity of organisms and the like. It has the characteristics of acid resistance, oxygen resistance and strong planting force, and has higher acceptance at present.
In conclusion, on the basis of processing the traditional Chinese medicines, the lactobacillus fermentation technology is utilized, so that the content of active ingredients of the traditional Chinese medicines can be increased, active ingredients which are not existed in the traditional Chinese medicines can be changed or generated, macromolecular substances of the traditional Chinese medicines can be converted into micromolecules which can be directly absorbed and utilized by organisms, and the disease resistance and the economic benefit of the animal organisms can be further improved.
Disclosure of Invention
The invention aims to provide a compound traditional Chinese medicine residue fermentation liquid for preventing and treating avian colibacillosis and a preparation method thereof.
The invention firstly provides a preparation method of compound traditional Chinese medicine residue fermentation liquor for preventing and treating avian colibacillosis, which comprises the following steps:
the method comprises the following steps: lactobacillus rhamnosus PC30-2-1 is separated and obtained from the commercially available pickle, and strain identification is carried out through 16S rDNA to obtain Lactobacillus rhamnosus PC30-2-1 (Lactobacillus rhamnous PC 30-2-1) with the preservation number of CCTCC NO: M2022083, wherein the preservation unit is as follows: china center for type culture Collection, the collection addresses are: wuhan university in China, the preservation date is: inoculating Lactobacillus rhamnosus PC30-2-1 into culture medium at 37 deg.C and 150r/min for 12-18 hr in 2022 year, 1 month and 17 days to obtain seed culture solution;
step two: slicing herba asari, glycyrrhrizae radix, cortex Cinnamomi, radix Angelicae sinensis, radix Paeoniae Rubra, fructus Jujubae, and caulis Akebiae, decocting in water, and mixing filtrates;
step three: drying the dregs obtained in the step two, adding distilled water into the obtained dry dregs, sterilizing, and cooling to room temperature to obtain dregs culture solution;
step four: inoculating the seed culture solution in the second step into the residue culture solution in the third step, performing shaking culture at 37 ℃ for 12-18h at 150r/min, centrifuging, and collecting fermentation supernatant to obtain compound Chinese medicinal residue fermentation liquid.
Preferably, the culture medium of the first step is an MRS liquid culture medium.
Preferably, the Chinese medicinal raw materials in the second step are as follows: 12-15 parts of asarum, 12-15 parts of liquorice, 12-15 parts of cinnamon, 12-15 parts of angelica, 12-15 parts of red peony root, 12-15 parts of Chinese date and 8-10 parts of akebia stem.
Preferably, the Chinese medicinal raw materials in the second step are as follows: 12 parts of asarum, 12 parts of liquorice, 12 parts of cinnamon, 12 parts of angelica, 12 parts of red peony root, 12 parts of Chinese date and 8 parts of akebia stem. Preferably, in the second step, the decocting times are 2 times, the first decocting time is 1h, and the second decocting time is 40-45min.
Preferably, the drying temperature in the third step is room temperature, and the drying time is 48h.
Preferably, the material-liquid ratio of the dregs of a decoction to the distilled water in the third step is 1.
Preferably, the sterilization temperature in the third step is 121 ℃, and the pressure is 103.4kPa.
Preferably, the step four centrifugation collection comprises: centrifuging the residue fermentation liquid at 4 deg.C and 8000r/min for 10min, vacuum filtering the supernatant with 0.45 μm filter membrane, and rotary evaporating the filtrate at 45 deg.C and 75r/min to obtain 1:3.
The invention also provides the compound traditional Chinese medicine residue fermentation liquor for preventing and treating the avian colibacillosis, which is obtained by the preparation method.
The pharmacology and the drug property of each raw material medicine in the medicine dregs are as follows:
asarum: warm in nature, pungent in flavor and slightly toxic. It enters heart, lung and kidney meridians. Expelling wind, dispersing cold, inducing resuscitation, alleviating pain, warming lung, and eliminating phlegm. Herbs of pungent-warm nature for releasing exterior belong to the category of exterior-releasing herbs. 1. Local anesthesia effect; 2. inhibiting arthritis; 3. bacteriostasis; 4. has effects in improving lipid metabolism, increasing blood sugar, and regulating smooth muscle function. The volatile oil can lower blood pressure of anesthetized animals, and the decoction can raise blood pressure; 5. anti-inflammatory and anticonvulsant effects; 6. relieving pain, tranquilizing, inhibiting fever, and relieving fever; 7. anti-histamines and anti-allergic responses; 8. stimulating respiration.
Licorice root: sweet taste and neutral nature, and has effects of invigorating spleen and replenishing qi, clearing away heat and toxic materials, eliminating phlegm and relieving cough, relieving spasm and pain, and relieving drug property. It can be used for treating weakness of spleen and stomach, asthenia, palpitation, short breath, cough, excessive phlegm, spasm and pain of abdomen and limbs, carbuncle, swelling, and skin ulcer. The pharmacological effects include: 1. corticoid-like actions (mineralocorticoid action, glucocorticoid-like action); 2. enhancing nonspecific immunity and cellular immunity, but inhibiting humoral immunity; 3. has effects in protecting liver and relieving spasm; 4. detoxification function; 5. anti-inflammatory; 6. relieving cough and eliminating phlegm; 7. resisting pathogenic microorganisms; 8. anti-arrhythmic; 9. anti-tumor; 10. reducing blood lipid, and resisting atherosclerosis.
Cinnamon: the medicine has pungent and sweet taste, large heat in nature, and has the effects of tonifying fire, supporting yang, guiding fire to the source, dispelling cold, relieving pain, promoting blood circulation and dredging channels, and spleen, kidney, heart and liver channels. Can be used for treating sexual impotence, cold womb, lumbago, gonalgia, asthma due to kidney deficiency, conjunctival congestion, pharyngalgia, psychroalgia of heart and abdomen, vomiting and diarrhea due to deficiency cold, hernia due to cold, amenorrhea, and dysmenorrhea. The pharmacological effects include: 1. has cardiovascular effect (tonifying heart, dilating blood vessel, and lowering blood pressure); 2. acting on digestive system (water decoction can inhibit intestinal peristalsis of mice, oleum Cinnamomi can promote intestinal peristalsis, increase digestive juice secretion, and relieve gastrointestinal spasm pain); 3. anti-ulcer; 4. platelet aggregation resistance and anticoagulation resistance; 5. stimulation of the pituitary-adrenal cortex system; 6. regulating immunity.
Chinese angelica: sweet and pungent in flavor and warm in nature, enter liver, heart and spleen channels, and have the effects of enriching and activating blood, regulating menstruation and relieving pain, and relaxing bowel. It can be used for treating blood deficiency, sallow complexion, dizziness, palpitation, menoxenia, amenorrhea, dysmenorrhea, asthenia cold, abdominal pain, constipation due to intestinal dryness, rheumatic arthralgia, traumatic injury, carbuncle, skin ulcer, etc. The pharmacological effects include: 1. has effects in promoting hematopoiesis of bone marrow, inhibiting platelet aggregation, resisting thrombosis, reducing blood lipid, and resisting atherosclerosis; 2. has effects on cardiovascular system (resisting myocardial ischemia, resisting fibrosis after myocardial infarction, resisting arrhythmia, dilating blood vessel, and lowering blood pressure); 3. exciting or inhibiting uterine smooth muscle; 4. enhancing the immune function of the organism; 5. radiation resistance; 6. damage resistance; 7. protecting liver; 8. and (3) resisting tumors.
Red peony root: bitter in taste and slightly cold in nature. It enters liver meridian. Has effects in clearing away heat and cooling blood; promoting blood circulation and removing blood stasis. Main warm poison is taken to cause speckle; hematemesis and epistaxis; the intestinal wind gives the blood; conjunctival congestion with swelling and pain; carbuncle, swelling and sore; amenorrhea and dysmenorrhea; collapse of the leucorrhea and turbid urine; hypochondriac pain due to stasis; hernia accumulation; injury from the fall. Can be used for treating macula due to toxic heat, hematemesis, epistaxis, conjunctival congestion, swelling and pain, liver depression, hypochondriac pain, amenorrhea, dysmenorrhea, abdominal pain, traumatic injury, carbuncle, swelling, and pyocutaneous disease. It is usually indicated for fever bleeding, blood-shot eyes with swelling and pain, abscess, swelling and sore due to warm disease with invasion of heat into blood system. The pharmacological effects include: 1. an antithrombotic effect; 2. anti-platelet aggregation; 3. reducing blood lipid and resisting arteriosclerosis; 4. effects on the cardiovascular system; 5. anti-tumor effect; 6. has liver protecting effect.
Chinese date: sweet taste and warm nature. It enters spleen and stomach meridians. Tonify middle-jiao and Qi, nourish blood and soothe the nerves. Can be used for treating spleen deficiency, anorexia, asthenia, loose stool, and hysteria of women. The pharmacological effects include: 1. central inhibition; 2. protecting liver; 3. enhancing muscle strength and resisting fatigue; 4. anti-allergy reaction; 5. anti-tumor; 6. tranquilizing and allaying excitement; 7. increasing the cAMP of leucocytes, enhancing the immunity and the like.
B, wood through: bitter taste and cold nature. It enters heart, small intestine and bladder meridians. Clear heat and induce diuresis, activate blood and dredge vessels. It is mainly used for treating dark and red urine, stranguria with turbid urine, edema, dysphoria with smothery sensation in chest, throat pain, aphtha, wind-damp arthralgia, galactostasis, amenorrhea and dysmenorrhea. The pharmacological effects include: 1. promoting urination; 2. antibacterial and antifungal.
The invention has the advantages of
The invention provides a compound traditional Chinese medicine residue fermentation liquid for preventing and treating avian colibacillosis and a preparation method thereof, the compound traditional Chinese medicine residue fermentation liquid is fermented by lactobacillus rhamnosus PC30-2-1, and the compound traditional Chinese medicine residue fermentation liquid can reduce the level of inflammatory cell factors of pathogenic escherichia coli of artificially infected birds, improve bursa of fabricius indexes, improve appetite and disease resistance of livestock and poultry, promote weight gain, improve production benefits, reduce or replace the use of conventional antibacterial agents, reduce drug residues, reduce the selection pressure of the antibacterial agents, and inhibit or slow down the generation of drug resistance of clinical pathogenic bacteria.
The seven traditional Chinese medicines in the prescription of the traditional Chinese medicine residue are common traditional Chinese medicines, have low price, no toxic or side effect on the organism of the sick livestock and poultry, no residue in the livestock and poultry body and no drug resistance. In vitro tests show that the medicine has good inhibition effect on escherichia coli; in vivo experiments show that the compound Chinese medicine residue fermentation liquid has better protection and treatment effects on artificially infected avian pathogenic escherichia coli, and is expected to replace common antibacterial agents for preventing and treating livestock and poultry escherichia coli.
Drawings
FIG. 1 is a bar graph of the growth of mice drenching with the decoction dregs fermented liquid of example 2;
FIG. 2 is a Zhou Zengchong bar graph of a test chicken prepared with the herb residue fermentation broth of example 2;
FIG. 3 is a sectional view of organ pathology;
FIG. 4 is a bar graph of IL-6 levels of cytokines;
FIG. 5 is a bar graph of IL-8 levels of cytokines;
FIG. 6 is a bar graph of the cytokine profile of serum IFN-. Gamma.content.
Detailed Description
Example 1 isolation and identification of Lactobacillus rhamnosus PC30-2-1
(1) Separating and purifying
Placing commercially available pickle juice in a sterile ultra-clean workbench, diluting the sample with normal saline by 10 times gradient, uniformly coating 100 μ L of suitable gradient dilution liquid on MRS culture medium containing 2% calcium carbonate, placing the coated culture medium in an anaerobic jar, and culturing at 37 deg.C for 48h. Selecting different forms of bacterial colonies with obvious calcium-dissolving rings, inoculating in corresponding liquid culture medium for enrichment culture for 24h, streaking again on MRS solid culture medium, separating and purifying for 3 times, selecting single bacterial colony, and performing gram staining. Gram-positive colonies were subjected to enrichment culture and stored at-80 ℃ in MRS liquid medium (containing 20% glycerol). All strains were subcultured 3 times before use. After being purified by MRS separation culture medium, the obtained short rod-shaped thallus is round, milk white, neat in edge, smooth in surface, 1-1.5mm in diameter, paired or chain-forming arranged bacterial colonies, and visible in dispersion and chain-forming arrangement by gram staining microscopy.
(2) 16S rDNA sequencing identification
And (3) selecting a single bacterial colony of the purified bacterial strain to 5mL of liquid culture medium for enrichment culture overnight, and extracting the genomic DNA of the isolated bacterial strain by using a bacterial DNA genome extraction kit of the biological engineering (Shanghai) GmbH.
Using the above genomic DNA as a template, 16S rDNA specific fragments of the isolated strain were PCR-amplified using 16S rDNA universal primers (sense sequence: 27F, 5'-AGAGTTTGATCMTGGCTCAG-3', antisense sequence: 1492R, 5'-TACGGYTACCTTG TTACGACTT-3') synthesized by Biotech, and 50. Mu.L of the PCR reaction system is shown in Table 1-2. The PCR amplification program was set up as follows, pre-denaturation: 94 ℃ for 5min; denaturation: 94 ℃ for 30s; annealing: at 55 ℃ for 30s; extension: 72 ℃ for 90s;30 cycles; end extension: 72 deg.C, 10min.
TABLE 1 PCR reaction System
Tab.1 Reaction system of PCR
Figure BDA0003863476960000061
Taking 5 mu L of PCR amplification product, detecting by 1% agarose gel electrophoresis, cutting and recovering a sample with a clear band at 1600bp, connecting the gel recovery product with a pMD18-T cloning vector, transforming to DH5 alpha competent cells, and sending the positive cloning plasmid to a biological engineering (Shanghai) limited company for sequencing analysis. And comparing the obtained sequencing result with data in NCBI by using BLAST to determine the species of the NCBI. The 16S rDNA sequence alignment result shows that the consistency of the strain and the L.rhamnosus sequence reaches 99 percent.
Example 2 preparation of Compound Chinese medicinal fermentation broth
The method comprises the following steps: inoculating lactobacillus rhamnosus PC30-2-1 stored in a laboratory into 5mL of sterilized MRS liquid culture medium according to the inoculation amount of 1%, and performing shaking culture for 12h at 37 ℃ at 150r/min to obtain a seed culture solution;
step two: weighing 12g of asarum, 12g of liquorice, 12g of cinnamon, 12g of angelica, 12g of red peony root, 12g of Chinese date and 8g of akebia stem, slicing the traditional Chinese medicines, adding 5L of water, decocting for 60min to 2L, and filtering filtrate by gauze; adding 3L of water again, boiling water to slow fire, decocting for 45min to 1L, and mixing filtrates;
step three: drying the obtained medicine residues, weighing a certain amount of dried medicine residues in a conical flask, adding distilled water according to a material-liquid ratio of 1;
step four: aseptically inoculating the seed culture solution of the first step into the conical flask of the third step according to the volume ratio of 0.5%, carrying out shaking culture at 37 ℃ and 150r/min for 18h, centrifuging the dregs fermentation liquor at 4 ℃ and 8000r/min for 10min, carrying out vacuum filtration on the centrifuged supernatant through a 0.45-micron filter membrane, and carrying out rotary evaporation concentration on the filtrate in a rotary evaporator (45 ℃ and 75 r/min) until the volume ratio is 1:3; obtaining the compound traditional Chinese medicine fermentation liquor.
Example 3 Oxford cup method for testing antibacterial activity of compound traditional Chinese medicine fermentation liquor on escherichia coli standard strain ATCC25922
Inoculating laboratory-preserved ATCC25922 strain to sterilized LB liquid medium at a inoculation amount of 1%, culturing at 37 deg.C and 150r/min under shaking to OD 600 =0.5 (about 10) 8 CFU/mL), and continuously diluting 100 times by using LB liquid culture medium for drug sensitivity test;
uniformly coating 100 mu L of the cultured ATCC25922 strain on an LB solid culture medium plate, uniformly placing a sterilized Oxford cup, respectively adding 200 mu L of the concentrated fermentation liquid prepared in the example 2 into the Oxford cup, and standing and culturing for 12 hours in a constant-temperature incubator at 37 ℃;
observing whether the flat plate has an antibacterial zone or not, and measuring the diameter of the antibacterial zone by using a ruler; the results of an Oxford cup experiment show that the supernatant obtained by concentrating and fermenting the traditional Chinese medicine residues has a certain antibacterial effect on escherichia coli ATCC25922 strain antibacterial rings with the diameter of about 12 mm.
Example 4
Healthy Kunming mice (with the weight of 20 +/-2 g) and 10 females and males per group are selected, the prepared decoction dreg fermentation liquor in the example 2 is drenched for 15 days continuously, 200ul of the decoction dreg fermentation liquor is drenched per day, and the mice are observed to eat, drink water, change of body weight and health conditions;
as shown in figure 1, figure 1 is a bar graph of the growth of mice for preparing the herb residue fermentation liquor in the drenching example 2, and as can be seen from figure 1, the mice fed with the compound Chinese medicine residue fermentation liquor have good drinking water, are brightened by Mao Pingshun, and are lively and have no abnormality. The body weight of mice in the group which is infused with 1% compound traditional Chinese medicine residue fermentation liquid is obviously increased compared with that in the control group 10 days before the test.
Example 5
30 healthy rook chicks of 7 days old (with completed basic immunity) are selected, adapted to the environment for 5 days and set as a test group and a control group, 10 chicks/group with half of male and female. The compound traditional Chinese medicine fermentation liquor of the embodiment 2 of the invention is continuously fed for 21 days and 2 times/day by drinking water according to the addition of 1% and 5%, and the water drinking amount is calculated to ensure that the test chickens are completely drunk within 2 hours each time. On the 22 nd day of the test, the addition of the fermentation liquor is stopped, and 0.5mL of the pathogenic escherichia coli CC1 strain is infected by nasal drops per bird (about 10) 9 CFU/mL). 48h after bacteria attack, the state, clinical symptoms and the like of the test chicken are observed, venous blood is collected under wings, the levels of cytokines such as serum IL-2, IL-6, IL-8, IFN-gamma and the like are detected, 6 test chickens are subjected to autopsy in each group, the organ lesion is observed, and the organ indexes such as spleen, bursa of fabricius and the like are calculated.
Referring to fig. 2, fig. 2 is a Zhou Zengchong bar graph of a test chicken prepared with herb residue fermentation broth of example 2, and it can be seen from fig. 2 that 1% and 5% of the herb residue fermentation broth both promote weight gain of the test chicken to a certain extent. The weight gain effect of the 5% addition group is the best at week 2, and the weight gain effect of the 1% addition group is the best at week 3, but the difference with the control group is not obvious. The results show that the compound traditional Chinese medicine residue fermentation liquor is safe to experimental animals, has no toxic or side effect, and can improve the appetite of the animals to a certain extent, promote weight gain and reduce the feed conversion ratio.
Fig. 3 is a diagram of organ lesion autopsy, wherein a represents a control group (no administration), b represents a group of fermentation liquor addition for autopsy of pericardium and liver, and fig. 3 illustrates that after bacteria attack, the drinking water intake of the test chickens in each group is reduced to different degrees compared with normal times, and the individual chickens in the control group only show depression, increased secretion of eyes and nose, and loose wings, and the overall feeding and mental status of the compound traditional Chinese medicine residue fermentation liquor addition group is slightly better than that of the control group. Pathological changes such as pericardial thickening, turbidity, cellulose pericarditis, liver swelling, bleeding and blood stasis, cellulose exudate on the liver surface and the like can be seen only by the autopsy of individual chickens. The compound Chinese medicinal residue fermentation liquid addition group (fig. 3 b) has fewer chickens with the above symptoms, and the overall symptoms are lighter than those of the control group (fig. 3 a).
FIG. 4 is a histogram of IL-6 levels, FIG. 5 is a histogram of IL-8 levels, FIG. 6 is a histogram of serum IFN- γ levels, and FIGS. 4-6 illustrate that 1% and 5% of the herb residue fermentation broth significantly reduced serum IL-6 levels, as compared to the control; in addition, 1% of the traditional Chinese medicine residue fermentation liquor can also obviously reduce the secretion of cytokines such as serum IL-8, IFN-gamma and the like, and shows that the traditional Chinese medicine residue fermentation liquor has a certain anti-inflammatory effect.
Table 2 shows that the compound Chinese medicine residue fermentation liquid of the present invention has an immune organ index of the test chicken, as shown in table 2, 1% and 5% of the Chinese medicine residue fermentation liquid have a promotion effect on the development of bursa of fabricius of the test chicken, the bursa of fabricius indexes are both higher than those of the control group, but the difference is not significant; while 1% and 5% of the Chinese medicinal residue fermentation liquor reduced the spleen index of the test chicken, and compared with the control group, the spleen index was not significant.
TABLE 2 index of fermentation liquid of compound Chinese medicinal residue on immune organs of experimental chicken%
Figure BDA0003863476960000081

Claims (10)

1. A preparation method of compound traditional Chinese medicine residue fermentation liquor for preventing and treating avian colibacillosis is characterized by comprising the following steps:
the method comprises the following steps: lactobacillus rhamnosus PC30-2-1 is separated and obtained from the commercially available pickle, the strain identification is carried out through 16S rDNA, and the Lactobacillus rhamnosus PC30-2-1 (Lactobacillus rhamnous PC 30-2-1) with the preservation number of CCTCC NO: M2022083 is obtained, wherein the preservation unit is as follows: china center for type culture Collection, the collection addresses are: the preservation date of Wuhan university in China is as follows: inoculating Lactobacillus rhamnosus PC30-2-1 into culture medium at 37 deg.C and 150r/min for 12-18 hr in 2022 year, 1 month and 17 days to obtain seed culture solution;
step two: slicing herba asari, glycyrrhrizae radix, cortex Cinnamomi, radix Angelicae sinensis, radix Paeoniae Rubra, fructus Jujubae, and caulis Akebiae, decocting in water, and mixing filtrates;
step three: drying the dregs obtained in the step two, adding distilled water into the obtained dry dregs, sterilizing, and cooling to room temperature to obtain dregs culture solution;
step four: inoculating the seed culture solution in the second step into the residue culture solution in the third step, performing shaking culture at 37 ℃ for 12-18h at 150r/min, centrifuging, and collecting fermentation supernatant to obtain compound Chinese medicinal residue fermentation liquid.
2. The method for preparing the compound Chinese medicine residue fermentation liquid for preventing and treating the avian colibacillosis according to claim 1, wherein the culture medium in the first step is an MRS liquid culture medium.
3. The preparation method of the compound traditional Chinese medicine residue fermentation liquid for preventing and treating avian colibacillosis according to claim 1, wherein the mixture ratio of the traditional Chinese medicine raw materials in the second step is as follows: 12-15 parts of asarum, 12-15 parts of liquorice, 12-15 parts of cinnamon, 12-15 parts of angelica, 12-15 parts of red peony root, 12-15 parts of Chinese date and 8-10 parts of akebia stem.
4. The preparation method of the compound traditional Chinese medicine residue fermentation liquor for preventing and treating avian colibacillosis according to claim 3, wherein the traditional Chinese medicine raw materials in the step two are in the following proportion: 12 parts of asarum, 12 parts of liquorice, 12 parts of cinnamon, 12 parts of angelica, 12 parts of red peony root, 12 parts of Chinese date and 8 parts of akebia stem.
5. The preparation method of the compound traditional Chinese medicine residue fermentation liquor for preventing and treating avian colibacillosis according to claim 1, wherein the number of times of decoction in the second step is 2, the first decoction time is 1h, and the second decoction time is 40-45min.
6. The preparation method of the compound traditional Chinese medicine residue fermentation liquid for preventing and treating avian colibacillosis according to claim 1, wherein the drying temperature in the third step is room temperature, and the drying time is 48 hours.
7. The preparation method of the compound traditional Chinese medicine residue fermentation liquid for preventing and treating avian colibacillosis according to claim 1, wherein the material-liquid ratio of the traditional Chinese medicine residue to the distilled water in the third step is 1.
8. The preparation method of the compound traditional Chinese medicine residue fermentation liquid for preventing and treating avian colibacillosis according to claim 1, wherein the sterilization temperature in the third step is 121 ℃, and the pressure is 103.4kPa.
9. The preparation method of the compound traditional Chinese medicine residue fermentation liquid for preventing and treating avian colibacillosis according to claim 1, wherein the centrifugal collection in the fourth step comprises: centrifuging the residue fermentation liquid at 4 deg.C and 8000r/min for 10min, vacuum filtering the supernatant with 0.45 μm filter membrane, and rotary evaporating the filtrate in rotary evaporator (45 deg.C and 75 r/min) to volume ratio of 1:3.
10. The compound traditional Chinese medicine residue fermentation liquid for preventing and treating avian colibacillosis, which is obtained by the preparation method of claim 1.
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CN102805275A (en) * 2012-08-31 2012-12-05 山东新希望六和集团有限公司 Feed and traditional Chinese medicine compound used for treating colibacillosis of chicken and preparation method of feed and traditional Chinese medicine compound

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CN118064335B (en) * 2024-04-22 2024-08-02 晏龙国科(山东)微生物科技有限公司 Probiotic bacteria and composition with function of relieving nonalcoholic fatty liver and application thereof

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