CN1271737A - Process for preparing amylovorin of sea bacteria and its application - Google Patents
Process for preparing amylovorin of sea bacteria and its application Download PDFInfo
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Abstract
A polyose "1202" is prepared by utilizing microbial fermentation and has such steps as separating to obtain the strains of agrobacterium "1202", preparing culture medium liquid, fermentation, and extraction to obtain the product. Its advantages are high output, low cost and high content of polyose (more than 92%). Said polyose "1202" can be used to prepare medicine for improving immunity.
Description
The present invention relates to a kind of polysaccharide that utilizes the microbial fermentation preparation.
The certain micro-organisms polysaccharide has stronger immunoregulation effect, as the lentinan in the fungi, Pachymose, ganoderan, Schizophyllum commune Fr polysaccharides, and lipopolysaccharides, xanthan gum polysaccharide etc. in the bacterium.The culture process and the utilization thereof of a kind of Split-gill of CN1003454 patent disclosure, it will be gone up after Split-gill Nanjing University 843 bacterial strains of separate tissue are purified from rotten wood, carry out fermentation culture with culture mediumes such as analysis for soybean powder and glucose, obtain containing mycelium and the higher schizophyllary fermentating liquid of polysaccharide thereof, and from fermented liquid, extract antitumor, short white, antibiotic synergism, the antiphlogistic Schizophyllum commune Fr polysaccharides etc. of rising.A kind of substratum of producing yellow unit cell polysaccharide of CN1003305 patent disclosure, it is when directly being utilized the starch material fermentation by Xanthomonas campestris NK-01 bacterial strain, different nitrogenous sources and inorganic salts are very big to the yield effect of polysaccharide, as compound nitrogen source, use CaCO with soybean cake powder and fish meal
3The starch culture-medium of preparing for inorganic salt ferments, and polysaccharide yield reaches 22.4～26g/L.A kind of HeteropolysaccharideS S-657 of CN1034086 patent disclosure, it is prepared through fermentation by a new strains A TCC53159 of xanthomonas campestris, mainly is made up of carbohydrate, about 12% protein and 7% acyl group (calculating with the 0-ethanoyl).Carbohydrate contains 19% glucuronic acid and neutral sugar rhamnosyl and glucose, and both mol ratios are about 2: 1.
The present invention aims to provide a kind of production technique and purposes of amylovorin of sea bacteria.
This bacterial strain is to separate edaphic bacillus 1202 bacterial strains (Agrobacterium sp.1202) the CCTCC No.M 200019 that obtains from the marine plant Enteromorpha.Edaphic bacillus 1202 bacterial strains (Agrobacterium sp.1202) are deposited in Chinese typical culture collection center on May 18th, 2000, and it abbreviates CCTCC as, and deposit number is CCTCC No.M 200019.Identification marks such as the form of edaphic bacillus, Physiology and biochemistry following (referring to J.G holter chief editor, compilings such as Liu Fujin, simple and clear the 8th edition outstanding Bacteria Identification handbook of uncle, press of Shandong University, 1988 years, 94～95).
Cell is shaft-like, and 0.8 * 1.5～3.0 μ m are by 1～4 peritrichous motion.If have only a flagellum, then adnation is more more common, does not have gemma, Gram-negative, general ciliation.Usually follow a large amount of exocellular polysaccharide mucus containing on the substratum of carbohydrate growth.The colony colourless element, level and smooth usually, along with the prolongation of incubation time, tend to produce striped, but many bacterial strains produce rough colony.
Chemoorganotrophy: respiratory metabolism, with molecular oxygen as final electron acceptor(EA).Agrobacterium tumefaciens and agrobacterium radiobacter all produce 3-ketone group lactic acid.Liquefy gelatin or do not liquefy fully slowly in several weeks.Caseinhydrolysate not.Utilize multiple simple carbohydrates, organic acid and amino acid as carbon source, but do not utilize Mierocrystalline cellulose, starch, agar or chitin.Discharge organic acid and (or) CO
2In substratum, thereby shown the utilization of carbohydrate, acid that is discharged and CO
2, produce acid-respons on the synthetic medium surface of containing a small amount of organic nitrogen compound usually, but containing peptone or be rich in the substratum of amino acid whose other material, may be covered owing to discharge alkali substance reaction.On bismuth sulfite agar medium, generally produce hydrogen sulfide.Ramp on meat extract or yeast extract paste peptone agar, in 24～36 hours, except that stirrup in edaphic bacillus (A.rubi), general form the muddy film that also has.As the ammonia source, other kind needs add the amino acid of somatomedin to some kind with ammonium salt, nitrate and some amino acid.Under the normal circumstances, oxidase positive.
Aerobic, but within plant tissue, also can grow under the low situation of oxygen pressure drop.25～30 ℃ of optimum temperutures, pH scope 4.3～12.0, optimal pH scope 6.0～9.0.
Except that agrobacterium radiobacter, the bacterial strain of this genus all can stimulate stem's hyperplasia on different plants when parasitizing between vegetable cell, and there, bacterium exists with the ectoparasite state of born of the same parents.Bacterium enters host tissue by original scab or wound, and bacterial strain lacks the ability of directly invading the phytoparasite tissue.The restriction that the sibship of host range is not strict.Bacterial strain is identified in test according to routine biochemistry, and the tissue penetration inoculation is very necessary.
The G+C content range of DNA between 59.6～62.8 mol, (melting temperature (Tm)).
Type species: Agrobacterium tumefaciens [Agrobacterium tumefaciens (Smith and Townsend) Conn].
The edaphic bacillus 1202 bacterial strains NaCl concentration of suitable growth are 2%～4%, and the NaCl concentration of producing exocellular polysaccharide is 0.1%～0.3%, have higher maritime.
Amylovorin of sea bacteria (hereinafter to be referred as 1202 polysaccharide) production craft step is:
1) branch is discrete as to produce bacterial strain: edaphic bacillus 1202 bacterial strains can separate acquisition from the marine plant Enteromorpha.
2) make seed culture fluid: the bacterial strain inclined-plane is inoculated in the beef extract-peptone liquid nutrient medium, and cultivate 48～72 hour at 24～28 ℃ of temperature, stirring velocity 180rpm, ventilating ratio at 1: 1 pH:6.8～7.4, obtains seed culture fluid.
3) fermentative production: seed culture fluid is inoculated in the polysaccharide fermentation substratum with 5%～10% inoculum size, and the weight ratio of each composition was during substratum was formed: sucrose 60～120g, yeast extract paste 2.0～4.5g, corn steep liquor 5～25g, CaCO
31.0～2.5g, KH
2PO
40.5～1.0g, MgSO
40.5～1.0g, FeSO
40.08～0.15g, NaCl 1.0～3.0g, pH7.0～7.4, tap water is settled to 1000mL.Fermented 5～7 days at 24～28 ℃ of temperature, stirring velocity 240rpm, ventilating ratio 1: 0.3～0.5.
4) extract: with fermented liquid through centrifugal removal thalline, supernatant liquor is with 2～3 times ethanol sedimentation, throw out is adjusted to 0.2%～0.4% polysaccharide solution, with polysaccharide liquid: chloroform: propyl carbinol=30: 10: 1 (v/v) precipitation is removed albumen, centrifugal acquisition supernatant liquor, with 2～3 times of ethanol sedimentations, throw out is through 70% washing with alcohol of equivalent two times, 65～70 ℃ of oven dry, get 1202 polysaccharide products after pulverizing again.
1202 polysaccharide with the production of above-mentioned condition fermentation condition generally contain polysaccharide more than 92%, and this polysaccharide is water miscible acid exocellular polysaccharide, are made up of glucose and glucuronic acid, and both content ratio are 6: 1.
The purposes of 1202 polysaccharide is that it is used to prepare enhancing immunity agent medicine etc. as single effective active component.
Owing to fully analyzed the maritime of this bacterial strain, advanced prescription and technology have been screened again, so 1202 polysaccharide of gained of the present invention, has good enhancing body's immunological function, adopt oral way, when the taking dose of 10～100mg/Kg, the lymphopoiesis ability of enhancing body, raising antibody generate product, promote the chicken red blood cell phagocytic activity, improve delayed type hypersensitivity ability and NK cell yield significantly.Have cellular immunization, humoral immunization and nonspecific immune-enhancing activity.The LD of 1202 polysaccharide
50(mouse is oral) 〉=15g/Kg belongs to nontoxic level product, can be used as medicine, healthcare products or direct raw material as foodstuff additive that single effective active component is used to prepare the enhancing immunity effect, can be made into electuary, tablet, capsule or liquid drink.The output height of its deuterzooid technology, cost is low, contains polysaccharide more than 92%.
Below provide the immunostimulant and the anti-tumor activity experiment of 1202 polysaccharide
1) immune-enhancing activity of 1202 polysaccharide is measured
Half and half grouping of Bal B/C mouse male and female, 10 every group, 1202 polysaccharide of abdominal injection different concns.The injection polysaccharide was measured the mouse delayed type hypersensitivity with the pedal swelling method after 8 days continuously; The blood clotting method is measured serum hemolysin antibody; Weighting method is measured the ponderal index of mouse immune organ; Chicken red blood cell is engulfed the measuring phagocytic activity; The determination of lactate dehydrogenase method is measured the NK cytoactive; Mtt assay is measured the conversion capability of splenic lymphocyte, the results are shown in Table 1,2.
Table 1 1202 polysaccharide immune-enhancing activity measurement result administering modes
Dosage is engulfed the active splenocyte propagation of NK
(mg/kg*d) (%) (%) (OD difference) abdominal injection contrast 57.83 ± 6.21 25.89 0.024 ± 0.015
10 75.00±8.20
* 21.06 0.019±0.007
30 87.50±5.96
** 41.96
* 0.046±0.024
60 87.50+4.32
*22.14 the oral contrast 57.83 of 0.026+0.018 ± 6.21 33.56 0.024 ± 0.015
10 75.00±8.20
* 41.96 0.032±0.010
50 79.67±5.47
* 56.64
* 0.030±0.010
100 83.00±5.40
** 59.44
* 0.035±0.014
*
*P≤0.05；**≤0.01
Table 2 1202 polysaccharide immune-enhancing activity measurement result administering modes
Dosage DTH swelling thickness antibody product spleen index
(mg/kg*d) (mm) (%) (mg/10g) abdominal injection contrast 0.55 ± 0.16 70.17 ± 5.72 62.12 ± 10.48
10 0.77±0.08
* 86.33±7.51
* 86.20±10.14
**
50 0.56±4.32 77.83±8.25 120.57±31.31
**
*P≤0.05；**≤0.01
2) 1202 polysaccharide are to the inhibition activity of S-180 solid tumor
Half and half grouping of Bal B/C mouse male and female, 10 every group, with 10
5Behind S-180 oncocyte/mL tumor-bearing mice, next day the abdominal injection different concns 1202 polysaccharide.Behind the successive administration 10 days, the knurl of weigh respectively determination experiment group and control group is heavy, with the average knurl re-computation of control group knurl weight-experimental group knurl weight/control group tumour inhibiting rate.The results are shown in Table 3.
Table 3 1202 polysaccharide are to heavy (g) tumour inhibiting rate (100%) abdominal injection contrast 2.55 ± 0.63 of the average knurl of the restraining effect administering mode dosage (mg/kg*d) of S-180 solid tumor
50 1.71±0.67 31.54
100 1.68+0.42 34.23
Embodiment 1:
Edaphic bacillus 1202 bacterial strain slant strains are inoculated in (pH:6.8～6.9) in the beef extract-peptone liquid nutrient medium, and 24～25 ℃ of temperature, stirring velocity 180rpm, ventilating ratio are cultivated 48～50 hour at 1: 1, get seed culture fluid.Seed culture fluid is inoculated in (substratum composition: sucrose 60g, yeast extract paste 4.5g, corn steep liquor 25g, CaCO in the polysaccharide fermentation substratum with 5%～6% inoculum size
31.0g, KH
2PO
41.0g, MgSO
40.5g, FeSO
40.15g, NaCl 2.0g, pH7.0, tap water is settled to 1000mL.) 24～25 ℃, stirring velocity 240rpm, ventilating ratio 1: 0.3～0.5, fermented 7 days.Fermented liquid is removed thalline through the centrifugal 30min of 3000rpm, supernatant liquor is with 2.5 times ethanol sedimentation, throw out is adjusted to 0.3% polysaccharide solution, with polysaccharide liquid: chloroform: propyl carbinol=30: 10: 1 (v/v) precipitation is removed albumen, the supernatant liquor of centrifugal acquisition is with 3 times of ethanol sedimentations, throw out is through 70% washing with alcohol two times, and 70 ℃ of oven dry must contain the polysaccharide product of polysaccharide more than 92% after the pulverizing.
Embodiment 2:
Edaphic bacillus 1202 bacterial strain inclined-planes are inoculated in (pH7.2) in the beef extract-peptone liquid nutrient medium, and 26 ℃ of temperature, stirring velocity 180rpm, ventilating ratio are cultivated 72 hour at 1: 1, get seed culture fluid.Seed culture fluid is inoculated in (substratum composition: sucrose 100g, yeast extract paste 2.0g, corn steep liquor 5g, CaCO in the polysaccharide fermentation substratum with 8% inoculum size
32.5g, KH
2PO
40.8g, MgSO
40.8g, FeSO
40.5g NaCl 1.0g, pH 7.2, tap water is settled to 1000mL) 28 ℃, stirring velocity 240rpm, ventilating ratio 1: 0.3～0.4 fermentation 6 days.Fermented liquid is removed thalline through the centrifugal 35min of 2800rpm, supernatant liquor is with 3 times ethanol sedimentation, throw out is adjusted to 0.2% polysaccharide solution, with polysaccharide liquid: chloroform: propyl carbinol=30: 10: 1 (v/v) precipitation is removed albumen, the supernatant liquor of centrifugal acquisition is with 2 times of ethanol sedimentations, throw out is washed two times through 70% ethanol of equivalent, and 65 ℃ of oven dry are pulverized to such an extent that contain the polysaccharide product of polysaccharide more than 92%.
Embodiment 3:
Edaphic bacillus 1202 bacterial strain inclined-planes are inoculated in (pH7.4) in the beef extract-peptone liquid nutrient medium, and 28 ℃, stirring velocity 180rpm, ventilating ratio are cultivated 56 hour at 1: 1, seed culture fluid.Seed culture fluid is inoculated in (substratum composition: sucrose 120g, yeast extract paste 3.5g, corn steep liquor 15g, CaCO in the polysaccharide fermentation substratum with 10% inoculum size
31.5g, KH
2PO
40.5g, MgSO
41.0g, FeSO
40.08g NaCl 3.0g, pH7.4, tap water is settled to 1000mL) 26 ℃, stirring velocity 240rpm, ventilating ratio 1: 0.4～0.5 fermentation 5 days.Fermented liquid is removed thalline through the centrifugal 28min of 3500rpm, supernatant liquor is with 2 times ethanol sedimentation, throw out is adjusted to 0.4% polysaccharide solution, with polysaccharide liquid: chloroform: propyl carbinol=30: 10: 1 (v/v) precipitation is removed albumen, the supernatant liquor of centrifugal acquisition is with 2.5 times of ethanol sedimentations, throw out is through 70% washing with alcohol two times, and 68 ℃ of oven dry must contain the polysaccharide product of polysaccharide more than 92% after the pulverizing.
Embodiment 4:1202 polysaccharide prepares the example of immunostimulant agent medicine
1) electuary: get 1202 polysaccharide (raw material that above-mentioned technology is made) 10%, lactose 61.5%, sucrose 25%, citric acid 1.5%, sweetener 2%.Each raw material is pulverized in advance, behind 100 eye mesh screens, mixes in mixing tank excessively.With powder: 70% edible ethanol=1: 2.5 (W/V), slowly add edible ethanol while stirring, make to mix.On tablets press, cross 16～20 eye mesh screen granulations.Getting wet grain spreads out on drip pan and dries to water content＜6% in 65 ℃.Whole grain (particle of getting oven dry is crossed 20 eye mesh screens, and extracting screen underflow is crossed 80 eye mesh screens, gets screen overflow) is sub-packed in the airtight edible packaging vessel, is 1202 polysaccharide electuary finished products.
2) tablet: get 1202 polysaccharide 45.5%, lactose 50.0%, citric acid 1.5%, sweetener 3%.Each raw material is pulverized in advance, behind 100 eye mesh screens, mixes in mixing tank excessively.With powder: 70% edible ethanol=1: 2.5 (W/V), slowly add edible ethanol while stirring, make to mix.On tablets press, cross 16～20 eye mesh screen granulations.Getting wet grain spreads out on drip pan and dries to water content＜4% in 65 ℃.Whole grain (particle of getting oven dry is crossed 20 eye mesh screens, and extracting screen underflow is crossed 80 eye mesh screens, gets screen overflow), the Magnesium Stearate of adding 1% mixes, and compressing tablet on tabletting machine is sub-packed in the airtight edible packaging vessel, is 1202 polysaccharide electuary finished products.
3) capsule: get 1202 polysaccharide 45.5%, lactose 50.0%, citric acid 1.5%, sweetener 3%.Each raw material is pulverized in advance, behind 100 eye mesh screens, mixes in mixing tank excessively.With powder: 70% edible ethanol=1: 2.5 (W/V), slowly add edible ethanol while stirring, make to mix.On tablets press, cross 16～20 eye mesh screen granulations.Getting wet grain spreads out on drip pan and dries to water content＜4% in 65 ℃.Whole grain (particle of getting oven dry is crossed 20 eye mesh screens, and extracting screen underflow is crossed 80 eye mesh screens, screen overflow), filled capsules, capsule subpackage in airtight edible packaging vessel or press mold in the plastic-aluminum sheet, be 1202 polysaccharide electuary finished products.
4) liquid drink (beverage or oral liquid): with 1202 polysaccharide: sucrose: citric acid: water=0.5: 5: 0.15: 94.35 (W/W) take by weighing raw material.1202 polysaccharide add sucrose, citric acid, water respectively after fully dissolving with a small amount of hot water in advance.After the thorough mixing dissolving, constant volume.Be sub-packed in the airtight resistant to elevated temperatures edible packaging vessel, sterilized 20 minutes for 121 ℃.Be 1202 polysaccharide liquid drinks.
In the above-mentioned various goods, also can add an amount of flavouring agent (as fruit essence etc.), make electuary, tablet or the liquid drink of various fruit-like flavours according to the mouthfeel needs.
Claims (3)
1. the production technique of an amylovorin of sea bacteria is characterized in that related microorganism is edaphic bacillus 1202 bacterial strains (Agrobacterium sp.1202), and depositary institution abbreviates CCTCC as, and deposit number is CCTCC No.M200019; The production craft step of amylovorin of sea bacteria is 1) separation acquisition production bacterial strain---edaphic bacillus 1202 bacterial strains; 2) make seed culture fluid: the bacterial strain inclined-plane is inoculated in the beef extract-peptone liquid nutrient medium, and cultivate 48～72 hour at 24～28 ℃ of temperature, stirring velocity 180rpm, ventilating ratio at 1: 1 pH:6.8～7.4, obtains seed culture fluid; 3) fermentative production: seed culture fluid is inoculated in the polysaccharide fermentation substratum with 5%～10% inoculum size, and the weight ratio of each composition was during substratum was formed: sucrose 60～120g, yeast extract paste 2.0～4.5g, corn steep liquor 5～25g, CaCO
31.0～2.5g, KH
2PO
40.5～1.0g, MgSO
40.5～1.0g, FeSO
40.08～0.15g, NaCl 1.0～3.0g, pH7.0～7.4, tap water is settled to 1000mL.Fermented 5～7 days at 24～28 ℃ of temperature, stirring velocity 240rpm, ventilating ratio 1: 0.3～0.5; 4) extract: with fermented liquid through centrifugal removal thalline, supernatant liquor is with 2～3 times ethanol sedimentation, throw out is adjusted to 0.2%～0.4% polysaccharide solution, with polysaccharide liquid: chloroform: propyl carbinol=30: 10: 1 (v/v) precipitation is removed albumen, centrifugal acquisition supernatant liquor, with 2～3 times of ethanol sedimentations, throw out is through 70% washing with alcohol of equivalent 2 times, 65～70 ℃ of oven dry, get polysaccharide product after pulverizing again.
2. the purposes of amylovorin of sea bacteria as claimed in claim 1 is characterized in that being used to prepare the enhancing immunity agent medicine as single effective active component.
3. the purposes of amylovorin of sea bacteria as claimed in claim 2 is characterized in that said enhancing immunity agent medicine is an electuary, tablet, capsule or liquid drink.
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| CN100375754C (en) * | 2005-09-09 | 2008-03-19 | 天津市工业微生物研究所 | Method for producing extracellular mucopoly-saccharide using rhamnose lactobacillus and product |
| CN101580550B (en) * | 2009-06-04 | 2011-06-15 | 大连交通大学 | Extra-cellular polysaccharide of aerobic Ruthia sp. strain metabolin and preparation and application thereof |
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| CN102757925A (en) * | 2012-08-06 | 2012-10-31 | 山东轻工业学院 | Marine bacterium Aerococcus urinaeequi HZ and polysaccharide produced by bacterium |
| CN105212233A (en) * | 2015-08-25 | 2016-01-06 | 厦门大学 | A kind of toxin-elimination health-care health food containing Marine Bacteria polysaccharide |
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| CN101481716B (en) * | 2009-01-21 | 2011-11-23 | 东北大学 | Method for extracting polysaccharide from bacterial extracellular polymer layer |
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| JPS5982092A (en) * | 1982-11-01 | 1984-05-11 | Daikin Ind Ltd | Novel bacterial strain and preparation of cyclic beta-1,2-glucan using the same |
| JPS6140799A (en) * | 1984-08-02 | 1986-02-27 | Daikin Ind Ltd | Preparation of cyclic-(1-2)-beta-d-glucan |
| US4777589A (en) * | 1985-06-28 | 1988-10-11 | Hewlett-Packard Company | Direct input/output in a virtual memory system |
| US4689160A (en) * | 1986-01-16 | 1987-08-25 | Merck & Co., Inc. | Acid stable heteropolysaccharide s-421 |
| FR2634219B1 (en) * | 1988-07-13 | 1992-04-24 | Rhone Poulenc Chimie | NOVEL HETEROPOLYSACCHARIDE BM07, METHOD FOR PROVIDING IT AND APPLYING IT IN VARIOUS TYPES OF INDUSTRIES |
| JP3453192B2 (en) * | 1994-06-01 | 2003-10-06 | テイカ株式会社 | Novel polysaccharide, its production method, use of novel polysaccharide and Agrobacterium radiobacter TNM2 strain |
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| CN100375754C (en) * | 2005-09-09 | 2008-03-19 | 天津市工业微生物研究所 | Method for producing extracellular mucopoly-saccharide using rhamnose lactobacillus and product |
| CN101580550B (en) * | 2009-06-04 | 2011-06-15 | 大连交通大学 | Extra-cellular polysaccharide of aerobic Ruthia sp. strain metabolin and preparation and application thereof |
| CN101638671B (en) * | 2009-08-27 | 2012-02-01 | 烟台海岸带可持续发展研究所 | Method for preparing bioethanol by using enteromorpha as raw material |
| CN102757925A (en) * | 2012-08-06 | 2012-10-31 | 山东轻工业学院 | Marine bacterium Aerococcus urinaeequi HZ and polysaccharide produced by bacterium |
| CN102757925B (en) * | 2012-08-06 | 2015-04-29 | 齐鲁工业大学 | Marine bacterium Aerococcus urinaeequi HZ and polysaccharide produced by bacterium |
| CN105212233A (en) * | 2015-08-25 | 2016-01-06 | 厦门大学 | A kind of toxin-elimination health-care health food containing Marine Bacteria polysaccharide |
| CN105212233B (en) * | 2015-08-25 | 2017-06-16 | 厦门大学 | A kind of toxin-elimination health-care health food containing ocean granulose |
| CN111286466A (en) * | 2018-12-07 | 2020-06-16 | 南京理工大学 | Agrobacterium and anti-inflammatory extracellular polysaccharide produced by same |
| CN111286466B (en) * | 2018-12-07 | 2023-05-05 | 南京理工大学 | Agrobacterium and anti-inflammatory extracellular polysaccharide produced by same |
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