CN107058171A - Lactobacillus pentosus and application with reduction cholesterol reduction triglycerides effect - Google Patents

Lactobacillus pentosus and application with reduction cholesterol reduction triglycerides effect Download PDF

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CN107058171A
CN107058171A CN201710091198.2A CN201710091198A CN107058171A CN 107058171 A CN107058171 A CN 107058171A CN 201710091198 A CN201710091198 A CN 201710091198A CN 107058171 A CN107058171 A CN 107058171A
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bacterial strain
cholesterol
lactobacillus pentosus
norcholesterol
pentosus
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CN107058171B (en
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吴慧昊
牛荇洲
牛锋
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Northwest Minzu University
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    • C12N1/00Microorganisms, e.g. protozoa; Compositions thereof; Processes of propagating, maintaining or preserving microorganisms or compositions thereof; Processes of preparing or isolating a composition containing a microorganism; Culture media therefor
    • C12N1/20Bacteria; Culture media therefor
    • C12N1/205Bacterial isolates
    • 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
    • A23V2002/00Food compositions, function of food ingredients or processes for food or foodstuffs
    • AHUMAN NECESSITIES
    • A23FOODS OR FOODSTUFFS; TREATMENT THEREOF, NOT COVERED BY OTHER CLASSES
    • A23VINDEXING SCHEME RELATING TO FOODS, FOODSTUFFS OR NON-ALCOHOLIC BEVERAGES AND LACTIC OR PROPIONIC ACID BACTERIA USED IN FOODSTUFFS OR FOOD PREPARATION
    • A23V2400/00Lactic or propionic acid bacteria
    • A23V2400/11Lactobacillus
    • A23V2400/167Pentosus
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
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    • A61K2035/115Probiotics
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    • C12R2001/225Lactobacillus

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Abstract

The invention discloses one plant of Lactobacillus pentosus (La.Pentosus) that there is norcholesterol, triglyceride reducing to act on isolated and purified out from the Tibetan mastiff enteron aisle of Gansu Maqu County, preserving number is CGMCC 7426, experiment is proved, bacterial strain has very strong acidproof, bile tolerance ability, cholesterol (TC) can be significantly reduced, and triglycerides (TG) can be reduced, In-vivo test in mice is found, the bacterial strain is without any side effects, therefore, bacterial strain of the present invention can be used for the preparation of lipid-loweringing norcholesterol health medicine and functional food.

Description

Lactobacillus pentosus and application with reduction cholesterol reduction triglycerides effect
【Technical field】
The present invention relates to a kind of Lactobacillus pentosus, particularly a kind of pentose breast acted on norcholesterol triglyceride reducing Bacillus (La.Pentosus) and its application.
【Background technology】
Cholesterol is nutritional ingredient needed by human, and important physiological function is carry in vivo, but in human serum Cholesterol level is often too high, a series of angiocardiopathy generally existings caused by serum cholesterol is too high.Modern study is It was found that, atherosclerosis, venous thronbosis have close correlation with hypercholesterolemia.WTO was once predicted, to the year two thousand thirty Angiocardiopathy will cause main causes of death, affect the health of the people of the whole world about 2.36 hundred million.Once had been reported that, west The heart disease incidence of Ou Guojia and the East European countries is due to what hypercholesterolemia was caused.With the horizontal people's faciation of normal lipid Than there is people with hyperlipidemia the heart disease for being higher by 3 times to induce risk.Triglycerides (Triglyceride, abridge TG) is long-chain Aliphatic acid and the fat molecule of glycerine formation, are the most lipid of people's in-vivo content, most tissues can utilize glycerine three Ester catabolite supplies energy.But if triglycerides is excessive, hoards in will subcutaneously make body obesity, hoard in vascular wall then Artery sclerosis is caused, hoards and may result in cardiomegaly in heart, fatty liver can then be caused in liver by hoarding.Current China has closely The Hyperlipidemia of 1/3 adult, first stealthy killer of the hyperlipemia now as human health.With entering for society Step, the enhancing of people's health consciousness, Weight-reducing and lipid-lowering is extremely urgent.
At present, hyperlipemia is mainly controlled by statins, (courage is solid for its energy Reverse transcriptase HMG-CoA reductase The rate-limiting enzyme of alcohol synthesis) activity reduce the autologous synthesis of cholesterol, specificity reduction serum cholesterol is (T-CHOL TC, low Density lipoprotein-cholesterol LDL and C-VLDL VLDL), moderate reduction triglyceride levels and rise are highly dense Lipoprotein levels are spent, the thus preventing and treating to atherosclerosis and coronary heart disease is acted.But this kind of medicine has serious poison Side effect, easily causes the side effects such as myalgia, headache, upset,gastro-intestinal, blood fat disorder, liver and kidney dysfunction.Statins A kind of more serious adverse reaction is rhabdomyolysis.Cerivastatin (visiing sthene) is due to serious cause rhabdomyolysis and kidney Exhaustion, worldwide withdraws in August, 2001, and it has caused the thing of the U.S. and regional 52 patient deaths of Some European Therefore.Therefore, development and utilization has fat-reducing and antihyperglycemic, and nontoxic health medicine, has weight to protection health The realistic meaning wanted.
Probiotics be studied as " lived green medicine " prove to have excellent effect, safely, to meet ecology etc. many Advantage, is more and more applied to the every field of human diseases.
About research of the probiotic lactobacillus in terms of norcholesterol, there is substantial amounts of paper to report and patent achievement both at home and abroad. CN 104818230A Lactobacillus plantarums (L01), CN 102899276A streptococcus thermophiluses (BLST), CN102604851A lactic acid breast Coccus, CN101559082A lactobacillus (MA2), CN1186855A urine streptococcus (DM891128) and CN 104789488A sandlwoods Sugared lactobacillus (SCF 20120718) has certain effect in the effect of norcholesterol, but degradation rate is not high, and pentose Lactobacillus has no report in the active patent of norcholesterol, and bacterial strain report of the lactic acid bacteria in terms of triglyceride reducing is rarely seen.
【The content of the invention】
It is an object of the invention to provide a kind of lactic acid bacteria acted on norcholesterol, triglyceride reducing and its application.
To achieve the above object, the technical scheme is that:
A kind of lactic acid bacteria for being isolated from Tibetan mastiff enteron aisle, is Lactobacillus pentosus (La.Pentosus), bacterial strain is in 2013 04 The moon is preserved in China Committee for Culture Collection of Microorganisms's common micro-organisms center on 07th, and its deposit number is CGMCC 7426, preservation address is:City of BeiJing, China Chaoyang District North Star West Road 1 institute 3.
The present invention is separately cultured by the way that Tibetan mastiff intestinal contents are coated on MRS culture mediums, point pure bacterial strain bacterium colony For milky, diameter about 2mm, surface is smooth, neat in edge, central uplift, periphery of bacterial colonies has obvious molten calcium circle, microscopy form For rod-short, pure bacterial strain will be divided to carry out bacterial strain Gram's staining, flat-plate bacterial colony form, bacterial strain to cholesterol in yolk and cholesterol The degradation rate of standard items, the degradation rate to triglycerides, acid resistance test, bile tolerance experiment, toxicity test (mouse) etc. are tested.Adopt Molecular Identification is carried out to divided pure bacterial strain with 16S rDNA methods.Its 16S rDNA sequence is in NCBI (National Center For Biotechnology Information, US National Biotechnology Information center) it is compared in database, as a result It was found that the gene order of the bacterial strain, in all similar sequences, the homology with Lactobacillus pentosus (La.Pentosus) is 99%, therefore physiological and biochemical property is combined, identification bacterial strain is Lactobacillus pentosus, is named as EAM-ZL016T.
It can be used for further research and development prevention and treatment because cholesterol triglycerides is too high the invention provides one kind The functional food of caused cardiovascular and cerebrovascular disease and the raw material bacterial strain of health medicine.Surveyed by methods such as phosphorus sulphur-iron ratio color methods Determine bacterial strain EAM-ZT003T norcholesterol, triglycerides and acidproof, bile tolerance effect, and determine bacterial strain in Mice Body Inside whether there is toxic side effect.
As a result find:The Lactobacillus pentosus (La.Pentosus) that what the present invention was provided isolate and purify out from Tibetan mastiff enteron aisle, With good security, and In-vivo test in mice discovery is nontoxic, while there is good cholate, strong acid tolerance, its Norcholesterol triglyceride reducing ability is strong, with fungistatic effect, can apply in the preparation of functional food and health medicine. Called function food refers to the food with specific function, is suitable for specific crowd and eats, can adjust the function of body, and not For the purpose for the treatment of.
【Brief description of the drawings】
Fig. 1 is bacterial strain Gram's staining result of the invention.
Fig. 2 is bacterial strain flat board colonial morphology of the invention.
Fig. 3 is bacterial strain of the invention to cholesterol in yolk and the degradation rate of cholesterol standards.
Fig. 4 is the degradation rate of bacterial strain of the invention to triglycerides.
Fig. 5 is bacterial strain acid resistance test result of the invention.
Fig. 6 is bacterial strain bile tolerance result of the test of the invention.
Fig. 7 is the changes of weight of bacterial strain of the invention to toxicity test mouse.
Fig. 8 is bacterial strain toxicity test result (mouse liver section) of the invention.
Fig. 9 is bacterial strain toxicity test result (mouse kidney section) of the invention.
【Embodiment】
Below in conjunction with specific embodiment, the present invention is described in detail.
Embodiment 1
The screening of Lactobacillus pentosus EAM-ZL016T provided by the present invention with norcholesterol triglyceride reducing ability And identification.
Separation, the purifying of 1 strain
0.5g Gansu Maqu County Tibetan mastiff intestinal contents are weighed, are added in the test tube equipped with 4.5ml sterilized waters, it is gradually dilute Release to 10-6, take 10-4、10-5、10-6Three each 0.1ml of pipe dilution, using rubbing method, are coated on MRS culture mediums and are separated, 37 DEG C of incubated 48h.Picking colony, continuous line is isolated and purified, and finally selects single bacterium colony, through microscopy confirm as it is purebred after, It is inoculated into after slant medium culture 24h, puts 4 DEG C of refrigerators and save backup.
The formula and condition of MRS solid mediums be:Peptone 10g, beef extract 10g, dusty yeast 5g, glucose 20g, nothing Water sodium acetate 5g, Tween-80 1mL, lemon acid diamine 2g, dipotassium hydrogen phosphate 2g, magnesium sulfate 0.58g, manganese sulfate 0.25g, carbonic acid Calcium 20g, agar 18g, distilled water 1000mL, pH6.6~6.8,115 DEG C, sterilize 20min.
Point pure bacterial strain bacterium colony is milky, diameter about 2mm, surface is smooth, neat in edge, central uplift, periphery of bacterial colonies has Obvious molten calcium circle, microscopy form is rod-short, and (1-1.2) μ m (1-1.5) μm, single, paired, short chain arrangement will divide pure Strain Designation is EAM-ZL016T.
2 bacterial strain Physiology and biochemistries are identified
Pure bacterial strain will be divided to carry out the experiment such as Gram's staining, motility inspection, oxidizing ferment, catalase, gelatin liquefaction.
Bacterial strain Gram-positive, punctures culture through semisolid culturemedium and finds, bacterial strain is clear along line growth, edge is punctured It is clear, bacterial strain without motion, amphimicrobian.Bacterial strain does not reduce nitrate, and do not liquefy gelatin, and catalase and oxydase reaction are the moon Property.
The EAM-ZL016T Physiology and biochemistry qualification results of table 1
Detection project As a result Detection project As a result Detection project As a result Detection project As a result
Mannitol + Lactose + Nitrate (reduction) - Arabite +
Glucose + Aesculin + Adonite - Sorbierite -
Raffinose + Phenylalanine + Bile aesculin - Xylitol +
Maltose + Erythrite + Lysine decarboxylase - Amarogentin +
Fructose + Melezitose + Ornithine decarboxylase - Tartrate -
Starch - Sucrose + Arginine decarboxylase - Mannose +
Hydrogen sulfide - Cellobiose + Arginine dihydrolase - Melibiose +
Acetate - Melampyrin - Beta galactose glycosides + Salicin +
D-ribose + Inositol - Methyl red + Rhamnose -
Acetamide - Arabinose - V.P. - Galactolipin +
Urea - Citrate - Gelatin - Gill fungus sugar +
Malonate - Xylose - Sorbose + Dextrin +
40℃ - 15℃ + 6.5%NaCl - 10%NaCl -
316S rDNA Molecular Identifications
Molecular Identification is carried out to divided pure bacterial strain using 16S rDNA methods.16S rDNA are expanded and sequencing is raw by treasured Thing engineering (Dalian) Co., Ltd completes.
Sequencing completes to submit bacterial strain EAM-ZL016T 16S rDNA sequences in NCBI (National Center for Biotechnology Information, US National Biotechnology Information center) it is compared in database, as a result find Bacterial strain EAM-ZL016T gene order, in all similar sequences, the homology with Lactobacillus pentosus (La.Pentosus) For 99%, therefore physiological and biochemical property is combined, identification bacterial strain EAM-ZL016T is Lactobacillus pentosus.This is isolated from Tibetan mastiff enteron aisle Lactobacillus pentosus (La.Pentosus), bacterial strain was preserved in Chinese microorganism strain preservation management committee on 04 07th, 2013 Member's meeting common micro-organisms center, its deposit number is CGMCC 7426.
Embodiment 2
The drop courage of Lactobacillus pentosus EAM-ZL016T provided by the present invention with norcholesterol triglyceride reducing ability Sterol effect.
The effect of cholesterol bacterium in 1 drop yolk
Under aseptic condition, a certain amount of egg yolk is added in the culture medium of sterilizing as cholesterol source, sterile uniform packing Into test tube.Using 2%, (cell concentration is 108Cfu/ml inoculum concentration) adds bacterium solution, 37 DEG C of incubated 24h, in 8000r/ 10min is centrifuged under min, takes supernatant according to phosphorus sulphur-iron ratio color method, determines cholesterol level in supernatant.Every group of experiment setting 2 Individual repetition.
Configuration --- the liquor ferri trichloridi of sulphur ferrophosphorus developer:Weigh 5.0g FeCl3·6H2O is dissolved in 200ml concentrated phosphoric acids In;Phosphorus sulphur ferron (P-S-Fe reagents):Take 40ml liquor ferri trichloridi concentrated sulfuric acid constant volume to 500mL.
Phosphorus sulphur-iron ratio color method:The amount of trying to please is 10ml centrifuge tube, adds 4.8ml absolute ethyl alcohols and 0.2ml fermented supernatant fluids, Put in room temperature after 10min, 8000r/min centrifugations 5min.Clean tube separately is taken, supernatant 2ml additions are accurately pipetted with liquid-transfering gun In test tube, then along tube wall the sulphur ferrophosphorus reagent that 2ml has been configured is slowly added to, after shaking up immediately, room temperature cooling 30min.Wait to give birth to After colour stable, colorimetric is carried out under 560nm with spectrophotometer, blank zeroing is made with absolute ethyl alcohol, not meet the MRS- of bacterium Yolk culture medium is compared.
Cholesterol reduced rate is calculated according to below equation:
Cholesterol reduced rate=(C-A)/C × 100%
A:OD value of the nutrient solution at 560nm after strain fermentation
C:To impinging upon the OD values at 560nm
It is 64.84% that cholesterol ability in bacterial strain EAM-ZL016T drop yolk is measured through experiment.
The effect of 2 drop high-purity cholesterol bacterium
By bacterial strain, (cell concentration is 10 using 2%8Cfu/ml inoculum concentration) is inoculated in high cholesterol MRSO-CHOL culture mediums In, 37 DEG C of incubated 24h centrifuge 10min under 8000r/min, take supernatant according to phosphorus sulphur-iron ratio color method, determine supernatant Middle cholesterol level.Make blank zeroing with absolute ethyl alcohol, compared with nonvaccinated high cholesterol MRSO-CHOL culture mediums.
Cholesterol reduced rate is calculated according to below equation:
Cholesterol reduced rate=(C-A)/C × 100%
A:OD value of the nutrient solution at 560nm after strain fermentation
C:To impinging upon the OD values at 560nm
High cholesterol MRSO-CHOL culture mediums:In terms of 1000mL MRS fluid nutrient mediums, the glue of cholesterol containing 1.0mg/mL It is prepared by beam solution:Precise cholesterol 0.1g is put into small beaker, adds 0.2g bovine biles, 0.1g sucrose esters, 1mL Tween 80s Stir, then pipette 5mL glacial acetic acid dissolve by heating, lysate with after ultrasonication 15min, be added rapidly to prepare In good MRS fluid nutrient mediums, stir while adding, form it into uniform and stable colloidal solution.
The norcholesterol ability for measuring bacterial strain EAM-ZL016T through experiment is 22%.
Embodiment 3
The drop of Lactobacillus pentosus EAM-ZL016T provided by the present invention with norcholesterol triglyceride reducing ability is sweet Oily three ester effects.
Under aseptic condition, a certain amount of triglycerides standard items are added in the culture medium of sterilizing, it is aseptic subpackaged to arrive test tube In.Using 2%, (cell concentration is 108Cfu/ml inoculum concentration) adds bacterium solution (not connecing the test tube of bacterium as blank control), 37 DEG C Incubated 24h, determines triglycerides degradation rate at 420nm.
Triglycerides reduced rate=(C-A)/C × 100%
A in formula is OD value of the nutrient solution at 420nm after strain fermentation, and C is OD value of the blank control at 420nm.
The triglyceride reducing ability for measuring bacterial strain EAM-ZL016T through experiment is 2.8%.
Embodiment 4
Lactobacillus pentosus EAM-ZL016T's provided by the present invention with norcholesterol triglyceride reducing ability is acidproof Bile tolerance is tested.
The acid resistance test of 1 bacterial strain
Bacteria suspension is made after bacterial strain is activated, the concentration of bacterial strain is determined using dilution coated plate method.Activated strains are connect respectively Plant in pH 6.8, pH 3.0, pH 2.0 MRS fluid nutrient mediums, 37 DEG C of incubated 10h utilize gradient dilution flat band method Viable count is determined, 5 is done and parallel averages.Test result indicates that, bacterial strain has stronger acid resistance, in pH3.0 condition Lower survival rate is higher, during pH2.0, cultivates 10h, the survival rate of bacterial strain has declined, but remains to reach 106cfu/ml。
2 bacterial strains are determined to the tolerance of 0.3% cholate environment
Bacteria suspension is made after bacterial strain is activated, and (cell concentration is 108Cfu/ml), it is inoculated in and contains respectively by 2% inoculum concentration In 0.0% bovine bile (i.e. blank), the composite fluid culture medium of 0.3% bovine bile.After 37 DEG C of culture 24h, its OD is determined respectively Value, do 5 it is parallel average, tolerance of the bacterial strain to cholate according to the following formula.
OD × 100% of cholate tolerance (%)=OD/ blank cultures containing bile salt culture-medium
The cholate tolerance for measuring bacterial strain EAM-ZL016T through experiment is 15%.Cholate content exists in human small intestine Fluctuated in the range of 0.03%-0.3%, the selected cholate content of experiment is Cmax.
Embodiment 5
Lactobacillus pentosus EAM-ZL016T's provided by the present invention with norcholesterol triglyceride reducing ability is antibacterial Experiment.
The bacillus subtilis activated, Escherichia coli and S. aureus Inoculate are taken respectively in nutrient broth, 37 DEG C of incubated 24h, 10 are diluted to sterilized water8Cfu/ml, it is standby.
45 DEG C are cooled to after 50mL nutrient agars solid medium is sterilized, with indicator bacteria (bacillus subtilis, large intestine bar Bacterium and staphylococcus aureus) fresh cultured thing 1000 μ L mix after be down flat plate, after putting the Oxford cup of sterilizing after flat board solidification. It is 10 to adjust bacteria suspension concentration8Cfu/ml, the bacteria culture fluid and sterilized water for measuring 100 μ L respectively with liquid-transfering gun adds Oxford cup In, ware lid is covered, flat board is placed in 4 DEG C of refrigerator diffusions, inhibition zone around 37 DEG C of incubated 24h, observation aperture is then placed Diameter.Each indicator bacteria is cooked two wares, is surveyed antibacterial circle diameter, is averaged.It the results are shown in Table 2.
The antibacterial result of the Lactobacillus pentosus of table 2
Embodiment 6
The mouse of Lactobacillus pentosus EAM-ZL016T provided by the present invention with norcholesterol triglyceride reducing ability Toxicity test.
20 mouse are randomly divided into 2 groups, A group gavage physiological saline, B group gavage Lactobacillus pentosus suspensions.A group mouse are every Only every daily gavage of gavage physiological saline 0.5ml, B group mouse contains 1 × 10 daily8The suspension 0.5ml of individual Lactobacillus pentosus. In order to ensure viable count certain in phage solution, each gavage all uses the bacterial strain of fresh processing.Freely intake, record weekly Body weight.After administration 42 days, dissection is put to death, by heart, liver, spleen, kidney, lung taking-up normal saline flushing and is wiped Weighed after net, calculate mice organs index, in addition, paraffin section is done in internal organ separation, whether observation internal organs occur lesion.Experiment knot Fruit sees Fig. 7,8,9.
The toxicity test mice organs index of table 3 compares
The toxicity test of 42 days by a definite date finds that mouse hair color is bright and clean, and appetite is normal, and gavage does not occur abnormal sign in 42 days, Increase very fast within 14 days before no abnormal death, mouse weight, tend towards stability within latter 28 days, maintain 27g or so, but process of the test In do not occur becoming thin, the phenomena of mortality.Internal organ are normal after mouse dissection, and color is ruddy, smooth, and section result is shown, mice organs Sexually revised without makings.
As a result show that feeding Lactobacillus pentosus EAM-ZL016T does not have toxic side effect to mouse.
Conclusion:The bacterial strain that the present invention is provided has effects that fabulous norcholesterol triglyceride reducing, and with very good Acidproof, bile tolerance, into after human gastrointestinal tract, with the presence of more viable bacteria, it is ensured that the norcholesterol of bacterial strain drop glycerine three Ester activity, bacterial strain has fungistatic effect, in lipid-loweringing norcholesterol simultaneously, can play a part of whole intestines and regulation gut flora, and Bacterial strain does not have any toxic side effect.
The above-mentioned characteristic for the Lactobacillus pentosus EAM-ZL016T that the present invention is provided can be applied to prepare health food In medicine.
Finally it should be noted that:The preferred embodiments of the present invention are the foregoing is only, are not intended to limit the invention, Although the present invention is described in detail with reference to the foregoing embodiments, for those skilled in the art, it still may be used To be modified to the technical scheme described in foregoing embodiments, or equivalent substitution is carried out to which part technical characteristic. Within the spirit and principles of the invention, any modification, equivalent substitution and improvements made etc., should be included in the present invention's Within protection domain.

Claims (3)

1. a kind of Lactobacillus pentosus (La.Pentosus) for being isolated from Tibetan mastiff enteron aisle, bacterial strain is in preservation on the 07th in 04 month in 2013 In China Committee for Culture Collection of Microorganisms's common micro-organisms center, its deposit number is CGMCC 7426.
2. the Lactobacillus pentosus described in a kind of claim 1, applied to lipid-loweringing norcholesterol health medicine.
3. the Lactobacillus pentosus described in a kind of claim 1, the food applied to lipid-loweringing norcholesterol function.
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Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107929329A (en) * 2017-07-07 2018-04-20 西北民族大学 A kind of prebiotic compound bacteria Chinese medicinal granule of embolism extinguishing lipid-loweringing and preparation method thereof
CN109207389A (en) * 2017-07-07 2019-01-15 西北民族大学 A kind of prebiotic compound bacteria traditional Chinese medicine oral liquid of embolism extinguishing lipid-loweringing and preparation method thereof
CN113939198A (en) * 2019-05-14 2022-01-14 韩国食品研究院 Strain having liver function improving activity and use thereof
CN115710563A (en) * 2022-09-26 2023-02-24 重庆第二师范学院 Lactobacillus pentosus CQZC02 and application thereof in preparation of drugs for treating liver injury

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103320337A (en) * 2012-10-23 2013-09-25 云南宏斌绿色食品有限公司 Lactobacillus pentosus
CN105969680A (en) * 2016-03-23 2016-09-28 贵州大学 Lactobacillus pentosus for reducing cholesterol and nitrite and screening method thereof

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103320337A (en) * 2012-10-23 2013-09-25 云南宏斌绿色食品有限公司 Lactobacillus pentosus
CN105969680A (en) * 2016-03-23 2016-09-28 贵州大学 Lactobacillus pentosus for reducing cholesterol and nitrite and screening method thereof

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
温子辉等: "降胆固醇能力强的耐酸耐胆盐乳酸菌的筛选及鉴定", 《黑龙江八一农垦大学学报》 *

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107929329A (en) * 2017-07-07 2018-04-20 西北民族大学 A kind of prebiotic compound bacteria Chinese medicinal granule of embolism extinguishing lipid-loweringing and preparation method thereof
CN109207389A (en) * 2017-07-07 2019-01-15 西北民族大学 A kind of prebiotic compound bacteria traditional Chinese medicine oral liquid of embolism extinguishing lipid-loweringing and preparation method thereof
CN113939198A (en) * 2019-05-14 2022-01-14 韩国食品研究院 Strain having liver function improving activity and use thereof
EP3970511A4 (en) * 2019-05-14 2023-01-11 Korea Food Research Institute Strain showing liver function improving activity, and use thereof
CN115710563A (en) * 2022-09-26 2023-02-24 重庆第二师范学院 Lactobacillus pentosus CQZC02 and application thereof in preparation of drugs for treating liver injury

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