This study aimed to assess the in vitro safety of a probiotics mixture (Lactobacillus acidophilus PBS066, Lactiplantibacillus plantarum PBS067, and Limosilactobacillus reuteri PBS072), along with its inhibitory effect on carbohydrate digestion. All three strains met the antibiotic resistance profile of the European Food Safety Authority (EFSA) guidelines. None of the strains exhibited hemolytic activity or cytotoxicity against Caco-2 cells. Strains PBS067 and PBS072 inhibited α-amylase activity, whereas all three strains suppressed α-glucosidase activity, indicating that the mixture might limit carbohydrate digestion in the gastrointestinal tract. These findings support the safety of this probiotics mixture and its potential to modulate carbohydrate metabolism in the gut.
Ginseng and probiotics have anti-obesity effects in mice fed a high-fat diet (HFD). Absorption of ginsenoside and colonization of probiotics occur in the intestine. In this study, a mixture of fermented ginseng and two probiotics, Bifidobacterium longum BORI and Lactobacillus paracasei CH88, was administered to HFD-fed mice for 9 weeks. The mixture significantly suppressed weight gain (p < 0.05, n = 8) and lipid deposition in the liver and adipose tissues as well as increased the mice's food intake. The adipocyte size of the adipose tissue was significantly decreased in the mixture-fed group, especially when 0.5% fermented ginseng and $5{\times}10^8/ml$ of the two probiotics were used (p < 0.05, n = 10). The expression of TNF-${\alpha}$ in adipose tissue was efficiently downregulated in the mixture-fed group (p < 0.05, n = 4). The supplement also improved the mice's fasting blood glucose levels (p < 0.05, n = 8) and total cholesterol feces excretion (p < 0.05, n = 8). The mixture of fermented ginseng and B. longum BORI and L. paracasei CH88 could have an anti-obesity effect and suppress lipid deposit in the liver and adipose tissues.
This study was conducted to evaluate the effects of dietary mixture of protease and probiotics on growth performance, blood constituents, and carcass characteristics of growing-finishing pigs. A total of 48 growing pigs were randomly allotted into 2 dietary (6 pigs/pen; 4 replicates/treatment). The treatments were a diet based on corn and soybean meal (CON) and CON supplemented with 0.01% of dietary mixture of protease and probiotics (MULTI). No differences were found on growth performance (average daily gain, ADG; overall, 874.06 vs. 881.14 g/d; p > 0.05), blood constituents (white blood cell, WBC; phase I, 17.51 vs. $19.96{\times}10^3/{\mu}L$; phase II, 19.65 vs. $21.95{\times}10^3/{\mu}L$; p > 0.05), and carcass characteristics during overall experimental period between CON and MULTI. In conclusion, the addition of dietary mixture of protease and probiotics in growing-finishing pig diet did not have any beneficial effects.
Proceedings of the Plant Resources Society of Korea Conference
/
2019.10a
/
pp.107-107
/
2019
Ulcerative colitis (UC) is one of inflammatory bowel disease (IBD), characterized by chronic inflammatory response and dysregulation of immune function. The severity of US has been influenced by environmental factors and food habit. The immune modulatory, anti-inflammatory and steroidal medicine have been used for the treatment of UC. However, long-term administration of those medicine is accompanied with side-effect. So, it is necessary to develop the non side-effect medicine using natural product. Prebiotics influences intestinal condition and food consumption. The heredity, immunity and environmental condition are related with occurrence of UC. In recent study, UC patients had lower level of prebiotics such as Lactobacillus and Bifidobacterium compared with healthy people. Also, previous study announced that imbalance of enteric flora aggravates the severity of UC. The effectiveness of probiotics might affect colon ability and viable bacteria also could promote the proliferation of beneficial intestinal bacteria. Prebiotics, such as herbal medicine, could lead to balance of intestinal bacteria or increase beneficial bacteria. So, proper choice of herbal medicine could control the intestinal condition. This study aimed to investigate the effect of mixture of probiotics and prebiotics (synbiotics) on dextran sulfate sodium (DSS)-induced UC in vivo. The synbiotics consist of Lactobacillus buchneri, Polymnia sonchifolia and Glycine max Merr. in this study. To evaluate the effect of synbiotics, 3% DSS was administered in BALB/c mice and synbiotics was daily administered for experimental days. The administration of synbiotics regulated colon length shortening, body weight change and disease activity index effectively. Also, extract of synbiotics upregulated survival ability of Lactobacillus buchneri in gut condition. These results suggest that mixture of probiotics and prebiotics, called as synbiotics, could influence intestinal condition also regulate the colon disease. Synbiotics might be a therapeutic agent for treatment of UC.
Arellano, Karina;Park, Haryung;Kim, Bobae;Yeo, Subin;Jo, Hyunjoo;Kim, Jin-Hak;Ji, Yosep;Holzapfel, Wilhelm H.
Microbiology and Biotechnology Letters
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v.49
no.2
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pp.157-166
/
2021
The probiotic market is constantly continuing to grow, concomitantly with a widening in the range and diversity of probiotic products. Probiotics are defined as live microorganisms that provide a benefit to the host when consumed at a proper dose; the viability of a probiotic is therefore of crucial importance for its efficacy. Many products undergo lyophilization for maintaining their shelf-life. Unfortunately, this procedure may damage the integrity of the cells due to stress conditions during both the freezing and (vacuum-) drying process, thereby impacting their functionality. We propose a lysine-based mixture for rehydration of freeze-dried probiotics for improving their viability during in vitro simulated gastric and duodenum stress conditions. Measurement of the zeta potential served as an indicator of cell integrity and efficacy of this mixture, while functionality was estimated by adhesion to a human enterocyte-like Caco-2 cell-line. The freeze-dried bacteria exhibited a significantly different zeta potential compared to fresh cultures; however, this condition could be restored by rehydration with the lysine mixture. Recovery of the surface charge was found to influence adhesion ability to the Caco-2 cell-line. The optimum lysine concentration of the formulation, designated "Zeta-bio", was found to be 0.03 M for improving the viability of Lactiplantibacillus plantarum Lp-115 by up to 13.86% and a 7-strain mixture (400B) to 41.99% compared to the control rehydrated with distilled water. In addition, the lysine Zeta-bio formulation notably increased the adherence ability of lyophilized Lp-115 to the Caco-2 cell-line after subjected to the in vitro stress conditions of the simulated gastrointestinal tract passage.
Proceedings of the Plant Resources Society of Korea Conference
/
2018.10a
/
pp.127-127
/
2018
Probiotics are microorganisms that have beneficial effects on the health of the host. The health promoting effect by probiotics influences suppressing harmful bacteria, prevention of constipation, blood cholesterol reduction and regulation of blood pressure. Prebiotics are used to promote the growth or activity of microorganisms. Synbiotics, which are a mixture of probiotics and prebiotics, synergize in the intestines by complementing each other. Synbiotics not only improves the viability of the probiotics while passing through the gastrointestinal tract, maintain intestinal homeostasis, but also regulate balance of harmful and useful bacterial growth. Glycine max Merr (GMM) has been widely used in Asian countries to treat cancer, obesity, oxidative stress and imbalanced immune diseases. In addition, it has been reported that dietary fiber-rich grains promote bowel movements and prevent constipation. In this study, we investigated the viability of LactobacillIus buchneri (L.buchneri) strains, known as lactic acid bacteria under conditions of gastric fluid and intestinal fluid to determine the suitability of L.buchneri as probiotics. The adhesion ability of L.buchneri to caco-2 cells was also confirmed. The present studies showed that GMM extract promoted the growth and activity of L.buchneri strains as prebiotics. Also, this results suggested that the mixture of L.buchneri and GMM extract can helps maintain intestinal health and healthy body as synbiotics and health functional food material.
Hwang, Yo-Sep;Bang, Seok Jin;Kang, Tae Yun;Choi, Jae Hyeok;Jung, Sang Mok;Kang, In Sung;Jeon, Se young;Park, Kwan Ha;Choi, Sanghoon
Journal of fish pathology
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v.32
no.1
/
pp.9-20
/
2019
The study investigated the dietary effects of medicinal herbs extract and multiple probiotics mixture on the growth performance, innate immune response and antibacterial activity of nile tilapia Oreochromis niloticus. Tilapia were divided in four groups. The first is a fish group fed a basal diet added with 40% medicinal herbs extract (MHE). The second is a fish group fed a basal diet supplied with $2{\times}10^8CFU/g$ of 2 Bacillus sp, 2 Lactobacillus sp and 2 Yeast sp, respectively (PB). The third group was fed with a mixture of probiotics (2 Bacillus sp, 2 Lactobacillus sp and 2 Yeast sp) with the medicinal herbs extract added in basal diet (MHE+PB). The fourth group was fed only a basal diet (C). In a non-specific immune parameters analysis, respiratory burst activity, lysozyme activity, phagocytic activity (PA), alternative complement pathway activity ($ACH_{50}$) and superoxide dismutase (SOD) activity were significantly (p<0.05) increased in the group MHE+PB compared to other groups. Both PB and MHE groups showed a significant (p<0.05) increase in respiratory burst activity, lysozyme activity compared to the control C group, whereas no significant differences were observed in PA, $ACH_{50}$ and SOD activity compared to the control group. In challenging test, fish were administered with Edwardsiella tarda (E. tarda) on 30 days after feeding with each experimental diet and viable E. tarda cell reduction was checked over 21 days post injection. MHE+PB group showed a significantly (p<0.05) reduced E. tarda cells compared to other groups. No significant antibacterial difference (p>0.05) was observed between PB and MHE only treated group. Compared to the control, a significant antibacterial difference (p<0.05) appeared in PB but not in MHE (p>0.05). The results suggest that the probiotics and MHE mixture could be utilized as an alternative to antibiotics in the control of fish diseases caused by E. tarda.
This experiment was conducted to evaluate the dietary effects of mixture of probiotics and colistin on laying performance, intestinal microflora and egg yolk cholesterol in laying hens. One hundred sixty 50-wk-old Hy-Line Brown layers were divided into four treatments and fed a commercial diet (Control) or experimental diets containing 0.2% mixture of probiotics or probiotics and colistin mixture (T1, Bacillus subtilis + Aspergillus oryzae + Lactobacillus plantarum; T2, Bacillus subtilis + Aspergillus oryzae; T3, Bacillus subtilis + Aspergillus oryzae+colistin) for 8 wk. No significant differences were found in laying performance and liver weight among the groups. The Haugh unit of treated groups were significantly improved (P<0.05) compared to that of control, but eggshell qualities were not changed by the treatments. The cecal ammonia concentration was significantly decreased in both T1 and T3 groups. The number of coli forms in cecal content and feces were significantly reduced in all treated groups compared to that of Control (P<0.05). The egg yolk cholesterol contents in the groups fed the diet containing mixture of probiotics and colistin were reduced in comparison with that of Control. In conclusion, dietary supplementation of mixture of probiotics and colistin improved quality of egg albumen, and reduced the egg cholesterol contents. They also reduced intestinal coli forms without harmful effects on overall productive and physiological responses in laying hens.
The objective of this study was to determine the effects of green tea probiotics on growth performance, meat quality and immune response in finishing pigs, and to assess the possibility of substituting green tea probiotics for antibiotics in diets of finishing pigs. This green tea probiotics is made by mixing green tea powder and excipients (defatted rice bran and wheat bran) and fermenting the mixture with beneficial bacteria. A total of 90 crossbreed "Landrace$\times$Yorkshire" finishing pigs with an average body weight of $72.5{\pm}2.5kg$ were assigned to 5 dietary treatments in a completely randomized design. Each treatment had 3 replications with 6 pigs per replication. The five dietary treatments were control, antibiotic (0.003% chlortetracycline added) and 0.1, 0.5 and 1.0% of green tea probiotics. There were no significant differences in final body weight, daily weight gain, daily feed intake and feed conversion ratio in the green tea probiotics and antibiotic treatments (p>0.05). Crude protein content was significantly increased in the 0.1 and 1.0% green tea probiotics treatment groups (p<0.05) and there was no significant difference in crude fat content of the meat among the treatments. The TBA value of meat was significantly lowered with 0.5 and 1.0% green tea probiotics treatments compared to that of controls and statistically similar to the antibiotic treatment after 3 weeks of storage (p<0.05). The growth of spleen cells stimulated with Con A (0.1 and $1.0{\mu}g/ml$) was significantly increased with 1.0% green tea probiotics treatment compared to that of the control treatment (p<0.05). The growth of spleen cells stimulated with LPS (1.0, 3.0 and $10{\mu}g/ml$) was significantly increased in the 0.5% green tea probiotics group compared to the antibiotic group (p<0.05). In Con A ($1.0{\mu}g/ml$) medium, IL-6 production of spleen cells was significantly increased with 1.0% green tea probiotics treatment compared to that of the control (p<0.05). In LPS ($10.0{\mu}g/ml$) medium, TNF-${\alpha}$ production of spleen cells increased significantly in all green tea probiotics treatment groups compared to that of the control (p<0.05). Finally it can be summarized that addition of green tea probiotic has a positive effect similar to antibiotic and 0.5% is the suitable dietary supplementation dose for finishing pig production.
Recent studies have suggested that oral bacteriotherapy with probiotics might be useful for preventing and managing childhood atopic dermatitis (AD). The purpose of this investigation was to evaluate the efficacy and safety of oral treatment with probiotics for adolescent and adult AD patients as well as for childhood AD patients. Sixty-four patients with mild to moderate AD were recruited for treatment with a mixture of four probiotic strains (Lactobacillus rhamnosus, Lactobacillus plantarum, Lactobacillus casei, and Biftdobacterium lactis) twice daily for 8 weeks. The degree of pruritus was determined by a 10-point visual analog scale every other week, and the patients' global assessments of their clinical responses (i.e., better, unchanged, or worse) was done at the end of intervention. The clinical severity of the eczema was evaluated by eczema area and severity index (EASI) score every other week. As laboratory markers, total immunoglobulin E (IgE), eosinophil cationic protein (ECP) in the serum, and cytokine production [interleukin-4 (IL-4), interleukin-10 (IL-10), and $interferon-{\gamma}\;(IFN-{\gamma})$ by the peripheral blood mononuclear cells (PBMCs) were measured at the beginning and at the end of intervention. Of the 64 enrolled AD patients, only 50 patients finally completed the 8-week study. After 8-week treatment with probiotics, the EASI score was significantly improved (p<0.0001), 50% of the patients experienced improvement of their eczema, and significant improvement of the pruritus was also observed (p=0.0002). The effect was more pronounced for the patients with very high IgE levels (>1,000 ku/l) or for the patients with moderate disease severity. There was no significant difference in the therapeutic effects between the childhood AD and adolescent and adult AD patients. There were no significant changes of cytokines, as well as the total IgE and ECP levels, in the patients' serum. Treatment with the mixture of four probiotic strains was generally well tolerated. Our results suggest that the treatment with the mixture of four probiotic strains is beneficial for the management of the adolescent and adult AD patients, as well as for the childhood AD patients.
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