CN116064313A - Application of lactobacillus plantarum CCFM1281 in relieving exercise fatigue - Google Patents

Application of lactobacillus plantarum CCFM1281 in relieving exercise fatigue Download PDF

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CN116064313A
CN116064313A CN202211338232.9A CN202211338232A CN116064313A CN 116064313 A CN116064313 A CN 116064313A CN 202211338232 A CN202211338232 A CN 202211338232A CN 116064313 A CN116064313 A CN 116064313A
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lactobacillus plantarum
ccfm1281
exercise
fatigue
mice
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陈卫
严中汉
王刚
田培郡
赵建新
张灏
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Jiangnan University
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Abstract

The invention discloses an application of lactobacillus plantarum CCFM1281 in relieving exercise-induced fatigue, and belongs to the technical field of microorganisms. The lactobacillus plantarum CCFM1281 provided by the invention can increase the time of the mice to swim; reducing serum urea nitrogen level, relieving abnormality of ammonia metabolism in vivo, and reducing accumulation of metabolites; increasing myoglycogen levels; reducing serum lactate dehydrogenase activity, reducing tissue damage due to excessive exercise; increasing serum glucose levels ensures a sufficient energy substrate supply during exercise to harvest more energy. The lactobacillus plantarum 1281, the basic fermentation strain lactobacillus delbrueckii subspecies bulgaricus JCCC 0018 and streptococcus thermophilus JCCC 0019 are used for preparing the dairy product, and the obtained probiotic product can effectively relieve exercise fatigue from multiple aspects and has wide application prospect.

Description

Application of lactobacillus plantarum CCFM1281 in relieving exercise fatigue
Technical Field
The invention relates to application of lactobacillus plantarum CCFM1281 in relieving exercise-induced fatigue, and belongs to the technical field of microorganisms.
Background
Exercise fatigue refers to a physiological phenomenon in which exercise causes muscles to produce maximum contraction force or maximum output power to temporarily decrease. Since physical characterization of athletic fatigue is less obvious, most people are not aware of the serious effects of athletic fatigue, most athletes and physical workers are deeply harmed, and long-term fatigue can greatly affect their study, work and life. At present, the treatment of sports fatigue mostly adopts a method of taking sleep rest as a main part and taking dietary medicines as an auxiliary part, products aiming at more fatigue on the market comprise medicines, functional beverages, meal replacement powder and the like, but the products have more or less side effects, mainly exogenous physical changes caused by fatigue resistance, and have certain risks and crowd pertinence.
The gastrointestinal tract of the human body contains a number of commensal bacteria, known as microbiota, which benefit host health by digesting dietary components and eliminating pathogens. Probiotics are defined as "live microorganisms that when ingested in sufficient amounts, confer a beneficial health effect on the host", lactobacillus plantarum being one of the probiotics that has been shown to have a certain immunomodulating effect, inhibiting the growth of pathogenic bacteria, etc.
Along with the continuous development and scientific progress of the exercise industry in China, the endogenous alleviation of physical and mental fatigue in the exercise process through intestinal flora is important, along with the fact that dairy products become indispensable food in daily life of people, fermented dairy products are excellent carriers of probiotics, the probiotics capable of alleviating the exercise fatigue are found and applied to the fermented dairy products, and the fermented dairy products have great significance for social groups loving exercises.
In view of the above, it is necessary to find a lactobacillus plantarum strain capable of alleviating exercise-induced fatigue and applied to the development of dairy products.
Disclosure of Invention
A first object of the present invention is to provide Lactobacillus plantarum (Lactiplantibacillus plantarum) CCFM1281, deposited with the Guangdong province microorganism strain collection at 9/15 of 2022 under the accession number GDMCC No:62797.
it is a second object of the present invention to provide a composition comprising said lactobacillus plantarum CCFM 1281.
In one embodiment, the Lactobacillus plantarum CCFM1281 is present in an amount of 1X 10 or more 9 CFU/mL or ≡1X10. 9 CFU/g。
In one embodiment, the composition includes, but is not limited to, a microbial formulation, a functional food, or a dietary supplement.
In one embodiment, the composition contains a live strain, a dry strain, a strain metabolite, or an inactivated strain of the lactobacillus plantarum CCFM 1281.
In one embodiment, the composition is a dairy product that relieves exercise-induced fatigue.
In one embodiment, the dairy product is prepared from the lactobacillus plantarum (Lactiplantibacillus plantarum) CCFM1281, lactobacillus delbrueckii subspecies bulgaricus JMCC0018 and streptococcus thermophilus JMCC 0019; the lactobacillus delbrueckii subspecies bulgaricus JMCC0018 has been deposited in 2017 with the common microorganism strain collection of the China Committee for culture Collection of microorganisms, accession number: CGMCC No.14425; the streptococcus thermophilus JMCC0019 was deposited in 2017 at the China general microbiological culture Collection center, with the deposit number: CGMCC No.14426.
In one embodiment, the dairy product is further added with nutritional elements such as amino acids, minerals, and the like.
In one embodiment, the formulation of the dairy product comprises by mass: 80 parts of raw milk, 5 parts of glucose, 10 parts of soybean protein, 13 parts of casein, 10 parts of whey protein, 9 parts of oat, 20 parts of purple sweet potato, 0.2 part of vitamin, 0.05 part of Lactobacillus delbrueckii subspecies bulgaricus JCCC 0018, 0.6 part of streptococcus thermophilus JCCC 0019 and 1 part of lactobacillus plantarum CCFM 1281.
In one embodiment, the method of preparing the dairy product is as follows:
(1) Pasteurizing raw milk, adding soybean protein powder, casein powder, whey protein powder and glucose, and stirring thoroughly to obtain a mixture A;
(2) Homogenizing the mixture A to obtain a liquid mixture B;
(3) Adding oat, purple sweet potato and vitamin into the liquid mixture B, fully and uniformly stirring, and sterilizing to obtain a mixture C;
(4) Cooling the mixture C, adding lactobacillus delbrueckii subspecies bulgaricus JMCC0018, streptococcus thermophilus JMCC0019 and lactobacillus plantarum CCFM1281 to obtain a liquid mixture D, fully stirring, fermenting until the pH value is 4.5-4.7, stopping to obtain a liquid mixture E, stirring, demulsification, cooling to below 4 ℃, and after-ripening for 11-13 h.
The third object of the invention is to provide an application of the lactobacillus plantarum CCFM1281 in preparing medicines or health-care products for preventing and/or relieving sports fatigue.
In one embodiment, the application includes, but is not limited to, at least one of the following:
(1) Improving exercise tolerance of the mammal;
(2) Reducing the serum urea nitrogen level elevation of the mammal caused by exercise;
(3) Increasing muscle glycogen levels in the mammal resulting from exercise;
(4) Increasing serum glucose levels in the mammal due to exercise;
(5) Reducing the serum lactate dehydrogenase level elevation of the mammal caused by exercise.
In one embodiment, the mammal includes, but is not limited to, a human.
In one embodiment, the medicine or health product is a plurality of solid preparation forms such as capsules, tablets, granules or powder containing lactobacillus plantarum CCFM1281 and auxiliary materials.
The invention also provides application of the lactobacillus plantarum CCFM1281 in preparation of fermented food.
The beneficial effects are that: the lactobacillus plantarum CCFM1281 can improve the exhaustion swimming time of a tired mouse and enhance exercise endurance; can reduce serum urea nitrogen level of tired mice and reduce excessive accumulation of metabolites; can increase the storage capacity of the muscle glycogen of the fatigued mice and increase the accumulation of energy substances; can increase the glucose level of serum of a fatigued mouse and maintain the whole energy supply in the exercise process; can reduce the level of lactate dehydrogenase in serum of tired mice and reduce exercise injury caused by high-strength exercise. The lactobacillus plantarum CCFM1281 can comprehensively relieve exercise fatigue by relieving various aspects such as energy consumption, metabolite accumulation, tissue injury and the like, lightens the damage degree of muscles, and has wide application prospect in the field of functional foods by using the lactobacillus plantarum CCFM1281 for preparing dairy products.
Preservation of biological materials
Lactobacillus plantarum (Lactiplantibacillus plantarum) CCFM1281, classified under Lactiplantibacillus plantarum, was deposited in the Guangdong province microorganism strain collection at 9/15 of 2022 at floor 5, accession number GDMCC No:62797.
drawings
FIG. 1 shows the swimming time of different groups of mice;
FIG. 2 is the serum urea nitrogen concentration of different groups of mice;
FIG. 3 is the muscle glycogen content of different groups of mice;
FIG. 4 is serum glucose concentration of different groups of mice;
FIG. 5 is serum lactate dehydrogenase activity of different groups of mice;
FIG. 6 is serum lactate concentration of mice of different groups;
FIG. 7 is the change in body weight of different groups of mice;
FIG. 8 is a graph showing muscle damage in different groups of mice;
wherein, P <0.05, P <0.01, all groups compared to the fatigue group.
Detailed Description
Example 1 screening of Lactobacillus plantarum CCFM1281 and preparation of bacterial suspension
Isolation and screening of Lactobacillus
(1) Fecal samples were collected from 30 year old healthy women. Is spread in MRS medium, and cultured in anaerobic incubator (N 2 :CO 2 :H 2 =80:10:10), and then the enriched samples were gradient diluted and coated on MRS solid plates, the gradients were 10 respectively -1 、10 -2 、10 -3 、10 -4 、10 -5 、10 -6 、10 -7 、10 -8 All are placed in an anaerobic incubator for culturing for 48 hours.
(2) Plates of appropriate dilution gradient were selected, and all eligible colonies were picked with an inoculating loop according to the color, size, edge shape, etc. of the colonies and streaked on MRS solid plates for purification.
(3) The single colony is cultured in liquid MRS culture solution for 24 hours, then gram staining is carried out, and gram positive bacteria are selected for subsequent tests.
(4) Selecting 5 gram-positive bacteria from the step (3), respectively carrying out streak purification on an MRS solid plate again, and culturing in an anaerobic incubator for 48 hours to obtain pure culture strains.
(5) The pure culture strain obtained in the step (4) is mixed with sterile glycerol and placed in a strain preservation tube for preservation at the temperature of minus 80 ℃.
Molecular biological identification of Lactobacillus
(1) Performing PCR amplification and identification on the single colony obtained after separation and purification by using 16S rDNA bacteria, wherein the 16S rDNA sequence is determined as shown in SEQ ID NO.1, and the identification unit is as follows: su Jin Weizhi biotechnology limited. Identification result: the strain is Lactobacillus plantarum, presumably Lactobacillus plantarum.
(2) The identified strain was designated as Lactobacillus plantarum CCFM1281 and was stored at-80℃for further use.
Preparation of bacterial suspension
Culturing Lactobacillus plantarum CCFM1281 in MRS medium at 37deg.C for 12 time, collecting culture solution, centrifuging to collect bacterial mud, washing with physiological saline, and re-suspending with 10% (100 g/L) skimmed milk to obtain 1.02X10-g extract 9 CFU/mL bacterial suspension.
Example 2: lactobacillus plantarum CCFM1281 has good tolerance to simulated gastrointestinal fluids
Inoculating Lactobacillus plantarum CCFM1281 with 2% inoculation volume fraction into MRS liquid culture medium, culturing in 37 deg.C constant temperature incubator for 12 hr, performing plate count with different concentration gradients, and processing to obtain viable bacteria concentration of 1×10 10 CFU/mL broth.
Taking 0.5ml of bacterial liquid, centrifuging for 2min at 6000r/min, removing supernatant, washing precipitate with physiological saline for 2 times, re-suspending the obtained bacterial sludge into 4.5ml of artificial gastric juice (physiological saline containing 3g/L pepsin and pH=3.0), uniformly mixing, culturing in a constant temperature incubator at 37 ℃, sampling at 0h and 2h respectively, performing plate colony counting by casting culture with MRS agar culture medium, measuring the number of viable bacteria, calculating the survival rate of the viable bacteria, and performing three experiments in parallel.
Centrifuging 0.5ml of bacterial liquid at 6000r/min for 2min, removing supernatant, washing precipitate with physiological saline for 2 times, re-suspending the obtained bacterial mud into 4.5ml of artificial intestinal liquid (physiological saline containing trypsin 1g/L, bile salt 0.3% and pH=8.0), mixing, culturing in a constant temperature incubator at 37deg.C, sampling at 0 hr, 2 hr, and 4 hr respectively, performing plate colony counting with MRS agar culture medium, measuring viable count and calculating survival rate, and performing three experiments
The survival rate (%) was calculated as the ratio of the number of viable bacteria at the time of sampling to the number of viable bacteria at the time of 0h in the culture solution.
The results are shown in Table 1, the Lactobacillus plantarum CCFM1281 has better tolerance in artificial simulated gastric and intestinal fluids, the survival rate in the process of tolerating gastric and intestinal fluids for 2 hours is more than 95%, and the survival rate in the process of tolerating intestinal fluids for 4 hours is more than 90%, thus having better probiotics characteristics.
TABLE 1 tolerance of Lactobacillus plantarum CCFM1281 in artificially simulated gastrointestinal fluids
Figure BDA0003915371220000051
Example 3: animal experiment of the action of Lactobacillus plantarum CCFM1281 on the relief of exercise-induced fatigue
Preparation of gastric lavage strain: taking out the identified and preserved lactobacillus plantarum CCFM1281, lactobacillus plantarum FXJWS11M2 and lactobacillus plantarum ATCC10241 in the fungus library, marking out an MRS flat plate, culturing for 48 hours at 37 ℃, and picking out single colony for continuous liquid activation twice to obtain seed liquid; the seed liquid is centrifuged at high speed to obtain bacterial mud, the bacterial mud is redissolved in 10% of skimmed milk, the viable count in the skimmed milk is calculated by using a plate counting method, and three gastric lavage reagents are prepared by diluting 10% of skimmed milk by a certain degree: the concentration is 1.02X10 9 CFU/mL of 10% skim milk of Lactobacillus plantarum CCFM1281 at a concentration of 1.02X10 9 CFU/mL 10% skim milk of Lactobacillus plantarum FXJWS11M2 at a concentration of 1.02X10 9 CFU/mL 10% skim milk of Lactobacillus plantarum ATCC 10241. The above-mentioned Lactobacillus plantarum CCFM1281 is derived from example 1; lactobacillus plantarum FXJWS11M2 is disclosed in "Mao B, yin R, li X, cui S, zhang H, zhao J, chen W.complex Genomic Analysis of Lactiplantibacillus plantarum Isolated from Different Niches. Genes (Basel). 2021Feb 8;12 (2) 241.doi:10.3390/genes12020241.PMID:33567604; PMCID: PMC7914981 "; lactobacillus plantarum ATCC10241 was purchased from ATCC.
Experimental animals were purchased from 40 healthy male ICR mice, provided the mice with free and sufficient moisture and feed, kept in specific barriers, and maintained at the appropriate temperature and humidity for 12 hours each in the light and dark. All experimental mice were randomized into 5 groups after one week of acclimation, blank, fatigue, CCFM1281, FXJWS11M2, ATCC 10241. The fatigue group and the three intervention groups were subjected to a load swimming model test for six weeks, and weekly weight changes of the mice were recorded.
Mice in the blank group were filled with 200 μl of 10% skim milk reconstituted with ultrapure water daily; the fatigued mice were filled with 200 μl of 10% skim milk reconstituted with ultrapure water daily; CCFM1281 intervention group was perfused 200. Mu.L daily with 1.02X10 g concentration 9 CFU/mL 10% skim milk of Lactobacillus plantarum CCFM 1281; FXJWS11M 2-mediated group was gavaged 200. Mu.L daily with 1.02X10 concentration 9 CFU/mL 10% skim milk of Lactobacillus plantarum FXJWS11M2, ATCC10241 intervention group was gavaged 200. Mu.L daily with 1.02X10 concentration 9 CFU/mL 10% skim milk of Lactobacillus plantarum ATCC 10241.
After six weeks of modeling, the exercise endurance of all mice was measured, and the behavioural study was performed using the forced swimming time test: all mice are swim by adopting a tail load mode, the winding tightness is proper, the total weight is 5% of the weight, and the mice are independently arranged in a swimming box with the water depth of 50cm and the water temperature of 25+/-1 ℃. Starting timing from the entry of the mice into the water tank, when the mice swim to the water surface for 3 consecutive times, each time exceeding 7s, the mice are regarded as exhaustion, and the time of swimming exhausted is recorded. The results are shown in Table 2.
TABLE 2 animal experimental behavioral indicators
Group of Swimming time(s) of the exhaustion
Blank group 828.333±295.663
Fatigue group 315±96.281
CCFM1281 intervention group 971.833±387.685
FXJWS11M2 intervention group 415.143±188.606
ATCC10241 intervention group 438.75±158.784
Note that: all values are expressed as mean±sd
The results show that: compared with a blank group, the load swimming modeling experiment obviously reduces the exhaustion swimming time of the mice in the fatigue group; compared with the fatigue group, the lactobacillus plantarum CCFM1281 intervention group can significantly increase the forced swimming time. This suggests that athletic fatigue can lead to a significant reduction in athletic endurance, while lactobacillus plantarum CCFM1281 can significantly improve the anti-fatigue ability and athletic endurance of mice; the improvement of the swimming time of the dragline is not obvious by FXJWS11M2 and ATCC10241 which are both lactobacillus plantarum, and the improvement of the swimming time of the dragline has no obvious influence on the exercise endurance of mice.
After the exercise endurance of all mice is detected, carrying out no-load swimming on all mice in a water tank the next day, immediately taking eyeballs to obtain blood after swimming for 30 minutes, and carrying out sacrifice dissection by a cervical dislocation method, taking a whole blood sample, and freezing at-80 ℃; centrifuging the rest blood sample at 3500r/min for 15 min, collecting supernatant, and freezing at-80deg.C for serum index analysis; the tissue samples (muscle and liver) are frozen in liquid nitrogen after being subpackaged and transferred to-80 ℃ for frozen storage for tissue index analysis; the right leg gastrocnemius muscle was taken and stored in 4% paraformaldehyde and placed in the dark for slice analysis.
Example 4: animal experiments of the remission effect of lactobacillus plantarum CCFM1281 on exercise-induced fatigue: analysis of serum lactic acid and serum urea nitrogen content
Animal model construction the serum urea nitrogen and serum lactate levels were measured in the serum samples of all mice after 30 minutes of non-load swimming as in example 3. The determination of serum urea nitrogen and serum lactic acid was performed according to the kit method.
As shown in table 3, the load swimming modeling experiment significantly increased serum urea nitrogen in the mice of the fatigue group compared to the blank group; the serum urea nitrogen was significantly reduced in the lactobacillus plantarum CCFM 1281-interfered group compared to the fatigued group. This suggests that exercise fatigue can lead to excessive accumulation of serum urea nitrogen, while lactobacillus plantarum CCFM1281 can effectively combat the disorder of ammonia metabolism caused by exercise fatigue, thereby effectively relieving exercise fatigue; the lactobacillus plantarum FXJWS11M2 intervention group and lactobacillus plantarum ATCC10241 had little effect on serum urea nitrogen content relative to the fatigue group.
While for serum lactate levels, there was no significant variability between groups, although there was a trend to decrease serum lactate in the CCFM 1281-interfered group mice.
TABLE 3 animal experiments blood lactic acid, blood urea nitrogen index analysis
Group of Serum lactic acid (mmol/L) Serum urea nitrogen (mmol/L)
Blank group 10.258±1.068 15.296±1.084
Fatigue group 10.521±1.637 18.396±2.965
CCFM1281 interventionGroup of 8.74±1.877 14.387±1.391
FXJWS11M2 intervention group 10.512±3.271 21.777±3.177
ATCC10241 intervention group 11.637±2.44 18.371±1.953
Example 5: animal experiments of the remission effect of lactobacillus plantarum CCFM1281 on exercise-induced fatigue: analysis of glycogen content in muscle tissue
Animal model construction As in example 3, glycogen levels in muscle tissue samples of mice after 30 minutes of swimming without load were measured and muscle glycogen levels were measured according to the kit method.
As shown in table 4, the load swimming modeling experiment significantly reduced the muscle glycogen levels in the mice of the fatigue group compared to the blank group; the lactobacillus plantarum CCFM 1281-interfered group mice had significantly elevated muscle glycogen levels compared to the fatigued group. This suggests that anaerobic metabolism of muscle during exercise-induced fatigue leads to excessive consumption of muscle glycogen with a greatly reduced accumulation; the lactobacillus plantarum CCFM1281 can effectively increase energy reserve in muscles in the process of maintaining the same exercise intensity, so that exercise fatigue is effectively relieved; while FXJWS11M2 and ATCC10241, which are also lactobacillus plantarum, do not significantly affect the characterization of glycogen content on peripheral muscle tissue.
TABLE 4 muscle glycogen index of muscle tissue in animal experiments
Group of Myoglycogen (mg/g)
Blank group 0.858±0.125
Fatigue group 0.656±0.091
CCFM1281 intervention group 0.909±0.212
FXJWS11M2 intervention group 0.704±0.184
ATCC10241 intervention group 0.649±0.071
Example 6: animal experiments of the remission effect of lactobacillus plantarum CCFM1281 on exercise-induced fatigue: serum lactate dehydrogenase Activity assay
Animal model construction the lactate dehydrogenase activity in the serum of mice after 30 minutes of swimming without load was measured as in example 3, and the measurement of the lactate dehydrogenase activity in the serum was performed according to the kit method.
As shown in table 5, compared with the blank group, the load swimming modeling experiment significantly increased the lactate dehydrogenase activity of the mice in the fatigue group; the lactobacillus plantarum CCFM1281 intervention group had significantly reduced lactate dehydrogenase activity compared to the fatigue group. This suggests that exercise fatigue may cause serious damage to the muscle tissue of mice and the like, resulting in excessive lactate dehydrogenase entering the blood; the lactobacillus plantarum CCFM1281 can reduce the damage to muscles of mice in the exercise process, so that the exercise fatigue is effectively relieved. Whereas the FXJWS11M2 of Lactobacillus plantarum and Lactobacillus plantarum ATCC10241 have no significant effect on the serum phenotype index caused by the damage of muscle tissue due to exercise-induced fatigue.
TABLE 5 serum lactate dehydrogenase index for animal experiments
Group of Lactate dehydrogenase (U/L)
Blank group 2948.646±189.671
Fatigue group 3270.588±259.494
CCFM1281 intervention group 2433.551±395.318
FXJWS11M2 intervention group 2801.12±479.504
ATCC10241 intervention group 3074.254±454.407
Example 7: animal experiments of the remission effect of lactobacillus plantarum CCFM1281 on exercise-induced fatigue: serum glucose level analysis
Animal model construction the glucose level in the serum of mice after 30 minutes of swimming without load was measured as in example 3 and the measurement of the glucose level in the serum was performed according to the kit method.
As shown in table 6, the weight-bearing swimming modeling experiment resulted in a trend of lower, but not significant, serum glucose levels in the fatigued mice compared to the blank mice; the glucose levels were significantly elevated in the lactobacillus plantarum CCFM1281 intervention group compared to the fatigue group. This suggests that exercise fatigue reduces glucose supply during exercise in mice and overall energy supply is reduced; the lactobacillus plantarum CCFM1281 can enable the muscle tissue of the mice to obtain sufficient glucose in the exercise process, and reduce the loss of hepatic glycogen and myoglycogen, thereby effectively relieving exercise fatigue. While FXJWS11M2 and ATCC10241, which are also lactobacillus plantarum, had no significant effect on serum glucose levels.
TABLE 6 serum glucose index for animal experiments
Figure BDA0003915371220000081
Figure BDA0003915371220000091
Example 8: animal experiments of the remission effect of lactobacillus plantarum CCFM1281 on exercise-induced fatigue: analysis of weight change in mice
Animal model construction the mice were tested weekly for weight change as in example 3. As shown in fig. 7, the weight-bearing swimming modeling experiment reduced the rate of increase in weight of the mice in the fatigue group compared to the blank group, but did not adversely affect the health of the mice; the weight changes of the Lactobacillus plantarum CCFM1281 intervention mice, lactobacillus plantarum FXJWS11M2 intervention mice and Lactobacillus plantarum ATCC10241 intervention mice are all between the fatigue group and the blank group, and the difference is not obvious. This suggests that exercise-induced fatigue tends to thin mice, slowing weight gain during growth; the lactobacillus plantarum has little effect on the whole body weight change of mice, and the lactobacillus plantarum CCFM1281 cannot reverse the body weight change caused by exercise fatigue.
Example 9: animal experiments of the remission effect of lactobacillus plantarum CCFM1281 on exercise-induced fatigue: pathological section analysis of muscle tissue
According to example 3 of the present invention, to evaluate whether lactobacillus plantarum CCFM1281 has a pathologically adverse effect on muscle tissue, gastrocnemius muscle in a muscle tissue sample was taken for pathological section analysis.
As shown in fig. 8, the calf muscle disease of mice in the blank group shows slight difference in size of muscle cells, and the muscle cells are arranged in a polygonal shape, each muscle cell has a plurality of muscle cell nuclei, the muscle nuclei are positioned under the myomembrane, and the whole slice has no obvious inflammatory cell infiltration phenomenon; the gastrocnemius of the mice in the fatigue group is characterized by partial white necrosis of muscle cells, obvious swelling and atrophy, large and more cracks among cells, and obvious serious inflammatory cell infiltration; compared with the tired group, the lactobacillus plantarum CCFM1281 intervening group mice gastrocnemius has relatively compact pathological manifestations of muscle arrangement, but still has larger gaps, a small amount of muscle cells have the phenomenon of whitening and cracking, and the histopathological structure is close to that of the mice gastrocnemius in the blank group. The lactobacillus plantarum CCFM1281 can effectively relieve the injury of sports fatigue to muscles.
Example 10: lactobacillus plantarum CCFM1281 used for preparing dairy product for relieving exercise fatigue
The formula comprises the following components: 80 parts of raw milk, 5 parts of glucose, 10 parts of soybean protein, 13 parts of casein, 10 parts of whey protein, 9 parts of oat, 20 parts of purple sweet potato, 0.2 part of vitamin, 0.05 part of Lactobacillus delbrueckii subspecies bulgaricus JCCC 0018, 0019.6 parts of streptococcus thermophilus JCCC 0019 and CCFM1281 parts of lactobacillus plantarum, wherein the concentration of each strain is 10 11 CFU/g; wherein lactobacillus delbrueckii subspecies bulgaricus JMCC0018 was deposited in 2017 with the common microorganism strain collection of the China Committee for culture Collection of microorganisms, accession number: CGMCC No.14425; streptococcus thermophilus JMCC0019 was deposited in 2017 with the China general microbiological culture Collection center, accession number: CGMCC No.14426.
The manufacturing process comprises the following steps:
(1) Pasteurizing raw milk at 89.5-90.5 ℃ for 14-16 s, cooling to 40-45 ℃, and adding soybean protein powder, casein powder, whey protein powder and glucose respectively, and fully and uniformly stirring to obtain a mixture A;
(2) Homogenizing the mixture A at 60-65 deg.c and 16-20 MPa to obtain liquid mixture B;
(3) Adding oat, purple sweet potato and vitamin into the mixture B, fully and uniformly stirring, and sterilizing at 94.5-95.5 ℃ for 298-302 s to obtain a mixture C;
(4) Cooling the mixture C to 36-38 ℃, adding activated Lactobacillus delbrueckii subspecies bulgaricus JCCC 0018, streptococcus thermophilus JCCC 0019 and Lactobacillus plantarum CCFM1281 to obtain a mixture D, fully stirring, fermenting until the pH value is 4.5-4.7, stopping to obtain a mixture E, stirring, demulsification, cooling to below 4 ℃, and after-ripening for 11-13 h. The effect of the dairy product was verified by the methods of examples 3 to 9, and the results showed that the obtained dairy product had an effect of relieving exercise-induced fatigue.
While the invention has been described with reference to the preferred embodiments, it is not limited thereto, and various changes and modifications can be made therein by those skilled in the art without departing from the spirit and scope of the invention as defined in the appended claims.

Claims (10)

1. Lactobacillus plantarum (Lactiplantibacillus plantarum) CCFM1281, deposited with the microorganism strain collection, cantonese province, 9/15/2022, under the accession number GDMCC No:62797.
2. a composition comprising the lactobacillus plantarum CCFM1281 of claim 1.
3. The composition according to claim 2, wherein the amount of Lactobacillus plantarum CCFM1281 is not less than 1X 10 9 CFU/mL or ≡1X10. 9 CFU/g。
4. A composition according to claim 2 or 3, wherein the composition comprises, but is not limited to, a microbial preparation, a functional food or a dietary supplement.
5. The composition of claim 4, wherein the composition comprises a live strain, a dry strain, a strain metabolite, or an inactivated strain of the lactobacillus plantarum CCFM 1281.
6. A composition according to claim 2 or 3, characterized in that it is a dairy product comprising lactobacillus plantarum (Lactiplantibacillus plantarum) CCFM1281, lactobacillus delbrueckii subspecies bulgaricus JMCC0018 and streptococcus thermophilus JMCC 0019; the lactobacillus delbrueckii subspecies bulgaricus JMCC0018 has been deposited in 2017 with the common microorganism strain collection of the China Committee for culture Collection of microorganisms, accession number: CGMCC No.14425; the streptococcus thermophilus JMCC0019 was deposited in 2017 at the China general microbiological culture Collection center, with the deposit number: CGMCC No.14426.
7. Use of lactobacillus plantarum CCFM1281 according to claim 1 for the preparation of a medicament or health product for preventing and/or alleviating sports fatigue.
8. The use according to claim 7, wherein the pharmaceutical or nutraceutical product is a solid formulation comprising lactobacillus plantarum CCFM1281 and an adjuvant.
9. The use according to claim 8, wherein the solid formulation is a capsule, a tablet, a granule or a powder.
10. Use of lactobacillus plantarum CCFM1281 according to claim 1 for the preparation of a fermented food.
CN202211338232.9A 2022-10-28 2022-10-28 Application of lactobacillus plantarum CCFM1281 in relieving exercise fatigue Pending CN116064313A (en)

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