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Kim JH, Kang CE, Lee NK, Paik HD. Heat-Killed Lactilactobacillus sakei WB2305 and Lactiplantibacillus plantarum WB2324 Inhibited LPS-Induced Inflammation in Human Airway Epithelial Cells. Probiotics Antimicrob Proteins 2024:10.1007/s12602-024-10251-1. [PMID: 38592556 DOI: 10.1007/s12602-024-10251-1] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 03/28/2024] [Indexed: 04/10/2024]
Abstract
Asthma is characterized by inflammation of the airways, including the inflammatory and airway structural cells. Probiotics, which have diverse effects, even within the same species, are being studied to prevent and mitigate the severity of asthma. Lactilactobacillus sakei WB2305 and Lactiplantibacillus plantarum WB2324 were isolated from kimchi. These strains have acceptable probiotic properties and are safe. In addition, the anti-inflammatory potential of the heat-killed isolates against lipopolysaccharide (LPS)-induced inflammation in the human pulmonary epithelial cell line (A549) was investigated. The heat-killed Lact. sakei WB2305 and Lact. plantarum WB2324 reduced the chemokine and cytokines mRNA expression levels, as shown by the results of using real-time polymerase chain reaction. Western blotting results showed that the nuclear factor-kappa B (NF-κB) activation and mitogen-activated protein kinases (MAPK) signaling pathways were suppressed by treatment with the heat-killed strains. The production amounts of eotaxin, tumor necrosis factor-ɑ (TNF-α), and interleukin-6 (IL-6) were lower than those in LPS-only treated cells. Additionally, 2',7'-dichlorofluorescein diacetate (DCFH-DA) staining confirmed decreased reactive oxygen species (ROS) production in A549 cells. Therefore, the results of present study demonstrate the anti-inflammatory and anti-asthmatic activities of heat-killed Lact. sakei WB2305 and Lact. plantarum WB2324 in human airway epithelial cells.
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Affiliation(s)
- Ji Hun Kim
- Department of Food Science and Biotechnology of Animal Resources, Konkuk University, Seoul, 05029, Republic of Korea
| | - Cho Eun Kang
- Department of Food Science and Biotechnology of Animal Resources, Konkuk University, Seoul, 05029, Republic of Korea
| | - Na-Kyoung Lee
- Department of Food Science and Biotechnology of Animal Resources, Konkuk University, Seoul, 05029, Republic of Korea
| | - Hyun-Dong Paik
- Department of Food Science and Biotechnology of Animal Resources, Konkuk University, Seoul, 05029, Republic of Korea.
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Jang HJ, Lee NK, Paik HD. A Narrative Review on the Advance of Probiotics to Metabiotics. J Microbiol Biotechnol 2024; 34:487-494. [PMID: 38247208 PMCID: PMC11018519 DOI: 10.4014/jmb.2311.11023] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/16/2023] [Revised: 01/15/2024] [Accepted: 01/18/2024] [Indexed: 01/23/2024]
Abstract
Recently, the term metabiotics has emerged as a new concept of probiotics. This concept entails combining existing probiotic components with metabolic by-products improve specific physiological functionalities. Representative ingredients of these metabiotics include short-chain fatty acids (SCFAs), bacteriocins, polysaccharides, and peptides. The new concept is highly regarded as it complements the side effects of existing probiotics and is safe and easy to administer. Known health functions of metabiotics are mainly immune regulation, anti-inflammatory, anticancer, and brain-neurological health. Research has been actively conducted on the health benefits related to the composition of intestinal microorganisms. Among them, the focus has been on brain neurological health, which requires extensive research. This study showed that neurological disorders, such as depression, anxiety, autism spectrum disorder, Alzheimer's disease, and Parkinson's disease, can be treated and prevented according to the gut-brain axis theory by changing the intestinal microflora. In addition, various studies are being conducted on the immunomodulatory and anticancer effects of substances related to metabiotics of the microbiome. In particular, its efficacy is expected to be confirmed through human studies on various cancers. Therefore, developing various health functional effects of the next-generation probiotics such as metabiotics to prevent or treatment of various diseases is anticipated.
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Affiliation(s)
- Hye Ji Jang
- Department of Food Science and Biotechnology of Animal Resources, Konkuk University, Seoul 05029, Republic of Korea
| | - Na-Kyoung Lee
- Department of Food Science and Biotechnology of Animal Resources, Konkuk University, Seoul 05029, Republic of Korea
| | - Hyun-Dong Paik
- Department of Food Science and Biotechnology of Animal Resources, Konkuk University, Seoul 05029, Republic of Korea
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Lee MG, Kang MJ, Kim S, Jeong H, Kang DK, Paik HD, Park YS. Safety Assessment of Levilactobacillus brevis KU15006: A Comprehensive Analysis of its Phenotypic and Genotypic Properties. Probiotics Antimicrob Proteins 2024:10.1007/s12602-024-10237-z. [PMID: 38430332 DOI: 10.1007/s12602-024-10237-z] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 02/27/2024] [Indexed: 03/03/2024]
Abstract
Levilactobacillus brevis KU15006, isolated from kimchi, exhibits pathogen-antagonistic and anti-diabetic activities; however, the safety of this strain has not been assessed. In the present study, L. brevis KU15006 was evaluated to elucidate its safety as a probiotic strain using phenotypic and genotypic analyses. Its safety was assessed using a minimum inhibitory concentration test comprising nine antibiotics, 26 antibiotic resistance genes, a single conjugative element, virulence gene analysis, hemolysis, cell cytotoxicity, mucin degradation, and toxic metabolite production. L. brevis KU15006 exhibited equal or lower minimum inhibitory concentration for the nine antibiotics than the cut-off value established by the European Food Safety Authority. It did not harbor antibiotic resistance and virulence genes. L. brevis KU15006 lacked β-hemolysis, mucin degradation, cytotoxicity against Caco-2 cells, gelatin liquefaction, bile salt deconjugation, and toxic metabolite production abilities. Based on the results, L. brevis KU15006, which has antagonistic and anti-diabetic effects, could be marketed as a probiotic in the future.
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Affiliation(s)
- Min-Gyu Lee
- Department of Food Science and Biotechnology, Gachon University, Seongnam, 13120, Republic of Korea
| | - Min-Joo Kang
- Department of Food Science and Biotechnology, Gachon University, Seongnam, 13120, Republic of Korea
| | - Suin Kim
- Department of Food Science and Biotechnology, Gachon University, Seongnam, 13120, Republic of Korea
| | - Huijin Jeong
- Department of Food Science and Biotechnology, Gachon University, Seongnam, 13120, Republic of Korea
| | - Dae-Kyung Kang
- Department of Animal Biotechnology, Dankook University, Cheonan, 31116, Republic of Korea
| | - Hyun-Dong Paik
- Department of Food Science and Biotechnology of Animal Resource, Konkuk University, Seoul, 05029, Republic of Korea
| | - Young-Seo Park
- Department of Food Science and Biotechnology, Gachon University, Seongnam, 13120, Republic of Korea.
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Lee NK, Lee Y, Shin DS, Ra J, Choi YM, Ryu BH, Lee J, Park E, Paik HD. Hepatoprotective Effect of Lactiplantibacillus plantarum DSR330 in Mice with High Fat Diet-Induced Nonalcoholic Fatty Liver Disease. J Microbiol Biotechnol 2024; 34:399-406. [PMID: 38247213 PMCID: PMC10940777 DOI: 10.4014/jmb.2310.10026] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/19/2023] [Revised: 11/20/2023] [Accepted: 11/22/2023] [Indexed: 01/23/2024]
Abstract
Lactiplantibacillus plantarum DSR330 (DSR330) has been examined for its antimicrobials production and probiotics. In this study, the hepatoprotective effects of DSR330 were examined against non-alcoholic fatty liver disease (NAFLD) in a high-fat diet (HFD)-fed C57BL/6 mouse model. To induce the development of fatty liver, a HFD was administered for five weeks, and then silymarin (positive control) or DSR330 (108 or 109 CFU/day) was administered along with the HFD for seven weeks. DSR330 significantly decreased body weight and altered serum and hepatic lipid profiles, including a reduction in triglyceride, total cholesterol, and low-density lipoprotein cholesterol levels compared to those in the HFD group. DSR330 significantly alleviated HFD-related hepatic injury by inducing morphological changes and reducing the levels of biomarkers, including AST, ALT, and ALP. Additionally, DSR330 alleviated the expression of SREBP-1c, ACC1, FAS, ACO, PPARα, and CPT-1 in liver cells. Insulin and leptin levels were decreased by DSR330 compared to those observed in the HFD group. However, adiponectin levels were increased, similar to those observed in the ND group. These results demonstrate that L. plantarum DSR330 inhibited HFD-induced hepatic steatosis in mice with NAFLD by modulating various signaling pathways. Hence, the use of probiotics can lead to hepatoprotective effects.
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Affiliation(s)
- Na-Kyoung Lee
- Department of Food Science and Biotechnology of Animal Resources, Konkuk University, Seoul 05029, Republic of Korea
| | - Yunjung Lee
- Department of Food and Nutrition, Kyungnam University, Changwon 51767, Republic of Korea
| | - Da-Soul Shin
- Department of Food and Nutrition, Kyungnam University, Changwon 51767, Republic of Korea
| | - Jehyeon Ra
- FM MI center, Daesang Wellife, Seoul 03130, Republic of Korea
| | - Yong-Min Choi
- FM MI center, Daesang Wellife, Seoul 03130, Republic of Korea
| | - Byung Hee Ryu
- Jongga R&D product Division, Daesang, Seoul 03130, Republic of Korea
| | - Jinhyeuk Lee
- FM MI center, Daesang Wellife, Seoul 03130, Republic of Korea
| | - Eunju Park
- Department of Food and Nutrition, Kyungnam University, Changwon 51767, Republic of Korea
| | - Hyun-Dong Paik
- Department of Food Science and Biotechnology of Animal Resources, Konkuk University, Seoul 05029, Republic of Korea
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Hyun JH, Woo IK, Kim KT, Park YS, Kang DK, Lee NK, Paik HD. Heat-Treated Paraprobiotic Latilactobacillus sakei KU15041 and Latilactobacillus curvatus KU15003 Show an Antioxidant and Immunostimulatory Effect. J Microbiol Biotechnol 2024; 34:358-366. [PMID: 37997261 PMCID: PMC10940752 DOI: 10.4014/jmb.2309.09007] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/05/2023] [Revised: 09/19/2023] [Accepted: 09/25/2023] [Indexed: 11/25/2023]
Abstract
The lactic acid bacteria, including Latilactobacillus sakei and Latilactobacillus curvatus, have been widely studied for their preventive and therapeutic effects. In this study, the underlying mechanism of action for the antioxidant and immunostimulatory effects of two strains of heat-treated paraprobiotics was examined. Heat-treated L. sakei KU15041 and L. curvatus KU15003 showed higher radical scavenging activity in both the 2-azinobis-(3-ethylbenzothiazoline-6-sulfonic acid (ABTS) and 2,2-diphenyl-1-picryl-hydrazyl (DPPH) assays than the commercial probiotic strain LGG. In addition, treatment with these two strains exhibited immunostimulatory effects in RAW 264.7 macrophages, with L. curvatus KU15003 showing a slightly higher effect. Additionally, they promoted phagocytosis and NO production in RAW 264.7 cells without any cytotoxicity. Moreover, the expression of tumor necrosis factor-α, interleukin (IL)-1β, and IL-6 was upregulated. These strains resulted in an increased expression of inducible nitric oxide synthase and cyclooxygenase-2. Moreover, the nuclear factor-κB and mitogen-activated protein kinase signaling pathways were stimulated by these strains. These findings suggest the potential of using L. sakei KU15041 and L. curvatus KU15003 in food or by themselves as probiotics with antioxidant and immune-enhancing properties.
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Affiliation(s)
- Jun-Hyun Hyun
- Department of Food Science and Biotechnology of Animal Resources, Konkuk University, Seoul 05029, Republic of Korea
| | - Im-Kyung Woo
- Department of Food Science and Biotechnology of Animal Resources, Konkuk University, Seoul 05029, Republic of Korea
| | - Kee-Tae Kim
- Research Institute, WithBio Inc., Seoul 05029, Republic of Korea
| | - Young-Seo Park
- Department of Food Science and Biotechnology, Gachon University, Seongnam 13120, Republic of Korea
| | - Dae-Kyung Kang
- Department of Animal Biotechnology, Dankook University, Cheonan 31116, Republic of Korea
| | - Na-Kyoung Lee
- Department of Food Science and Biotechnology of Animal Resources, Konkuk University, Seoul 05029, Republic of Korea
| | - Hyun-Dong Paik
- Department of Food Science and Biotechnology of Animal Resources, Konkuk University, Seoul 05029, Republic of Korea
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Bock HJ, Lee HW, Lee NK, Paik HD. Probiotic Lactiplantibacillus plantarum KU210152 and its fermented soy milk attenuates oxidative stress in neuroblastoma cells. Food Res Int 2024; 177:113868. [PMID: 38225133 DOI: 10.1016/j.foodres.2023.113868] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/11/2023] [Revised: 12/05/2023] [Accepted: 12/14/2023] [Indexed: 01/17/2024]
Abstract
We evaluated the probiotic properties and neuroprotective effects of Lactiplantibacillus plantarum KU210152 and its application in soy milk. L. plantarum KU210152 exhibited high tolerance to artificial gastrointestinal conditions, high adhesion to intestinal cells (HT-29), and safe enzyme production. Conditioned medium acquired from HT-29 cells treated with heat-killed lactic acid bacteria (LAB-CM) was used to evaluate the neuroprotective effects. The CM exhibited neuroprotective effects via cell viability assay, morphological observations, and suppression of ROS production. Heat-killed L. plantarum KU210152 increased brain-derived neurotrophic factor (BDNF) and tyrosine hydroxylase (TH) expression in HT-29 cells. In SH-SY5Y cells, pretreatment with L. plantarum KU210152 CM decreased Bax/Bcl-2 ratio and upregulated BDNF and TH expression. The CM inhibited caspase-9 and caspase-3 activities. The neuroprotective effects of L. plantarum KU210152 were also confirmed in fermented soy milk. Therefore, both L. plantarum KU210152 and the fermented soy milk can be used as functional ingredients with neuroprotective effects against oxidative stress.
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Affiliation(s)
- Hyun-Ji Bock
- Department of Food Science and Biotechnology of Animal Resources, Konkuk University, Seoul 05029, Republic of Korea
| | - Hye-Won Lee
- Department of Food Science and Biotechnology of Animal Resources, Konkuk University, Seoul 05029, Republic of Korea
| | - Na-Kyoung Lee
- Department of Food Science and Biotechnology of Animal Resources, Konkuk University, Seoul 05029, Republic of Korea
| | - Hyun-Dong Paik
- Department of Food Science and Biotechnology of Animal Resources, Konkuk University, Seoul 05029, Republic of Korea.
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Jang HJ, Kim JH, Lee NK, Paik HD. Probiotic Lactobacillus plantarum Ln4 Showing Antimicrobial and Antibiofilm Effect against Streptococcus mutans KCTC 5124 Causing Dental Caries. J Microbiol Biotechnol 2024; 34:116-122. [PMID: 37674399 PMCID: PMC10840488 DOI: 10.4014/jmb.2306.06001] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/01/2023] [Revised: 08/29/2023] [Accepted: 09/04/2023] [Indexed: 09/08/2023]
Abstract
Dental caries has known as an infectious disease that is considered a serious global public health problem. Recently, report indicate that probiotics play a vital role in maintaining oral health. Therefore, this study aimed to evaluate the prevention effects of Lactobacillus plantarum Ln4 against dental infection by the pathogenic bacterium Streptococcus mutans KCTC 5124 through biofilm formation inhibition. To evaluate such prevention effects against S. mutans KCTC 5124, antimicrobial activity, auto-aggregation, co-aggregation, cell surface hydrophobicity, total exopolysaccharide (EPS) production rate, and biofilm formation were analyzed. Results showed that L. plantarum Ln4 showed higher antimicrobial activity than L. rhamnosus GG (LGG). In the group treated with L. plantarum Ln4, the co-aggregation (58.85%), cell surface hydrophobicity (16.75%), and EPS production rate (73.29%) values were lower than those of LGG and the negative control. Additionally, crystal violet staining and confocal laser scanning microscopy (CLSM) revealed that L. plantarum Ln4 effectively inhibited biofilm formation in S. mutans KCTC 5124. Therefore, L. plantarum Ln4 could be used in the industry as a probiotics to prevent and improve oral health.
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Affiliation(s)
- Hye Ji Jang
- Department of Food Science and Biotechnology of Animal Resources, Konkuk University, Seoul 05029, Republic of Korea
| | - Jong Ha Kim
- Department of Food Science and Biotechnology of Animal Resources, Konkuk University, Seoul 05029, Republic of Korea
| | - Na-Kyoung Lee
- Department of Food Science and Biotechnology of Animal Resources, Konkuk University, Seoul 05029, Republic of Korea
| | - Hyun-Dong Paik
- Department of Food Science and Biotechnology of Animal Resources, Konkuk University, Seoul 05029, Republic of Korea
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Lee JE, Cho HY, Lee JH, Ahn DU, Kim KT, Paik HD. The inhibitory effect of ovomucoid from egg white on biofilm formation by Streptococcus mutans. J Sci Food Agric 2024; 104:141-148. [PMID: 37555743 DOI: 10.1002/jsfa.12915] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/13/2023] [Revised: 07/19/2023] [Accepted: 08/09/2023] [Indexed: 08/10/2023]
Abstract
BACKGROUND Streptococcus mutans, the main pathogen associated with tooth decay, forms cariogenic biofilms on tooth surfaces. Therefore, controlling oral biofilm helps prevent dental caries. Hen's egg is a nutrient-dense food, and egg white is a good source of protein. Ovomucoid is one of the major proteins in egg white, with a 28 kDa molecular weight. The present study aimed to investigate the inhibitory effects of ovomucoid on the biofilm formation of S. mutans by suppressing virulence factors, including bacterial adherence, cellular aggregation and exopolysaccharide (EPS) production. RESULTS Crystal violet staining showed that biofilm formation by S. mutans was inhibited by ovomucoid at 0.25-1 mg mL-1 levels. Field emission scanning electron microscopy also confirmed this inhibition. In addition, ovomucoid reduced mature biofilm, water-insoluble EPS synthesis and the metabolic activity of bacterial cells in the biofilm. The bacterial adhesion and aggregation abilities of S. mutans were also decreased in the presence of ovomucoid. Ovomucoid downregulated the expression of comDE and vicR genes involved in the two-component signal transduction system and gtfA and ftf genes involved in EPS production. CONCLUSION Ovomucoid has the potential for use as an anti-biofilm agent for dental caries treatment because of its inhibitory effects on the virulence factors of S. mutans. © 2023 Society of Chemical Industry.
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Affiliation(s)
- Ji-Eun Lee
- Department of Food Science and Biotechnology of Animal Resources, Konkuk University, Seoul, Republic of Korea
| | - Hee Yeon Cho
- Department of Food Science and Biotechnology of Animal Resources, Konkuk University, Seoul, Republic of Korea
| | - Jae Hoon Lee
- Research Group of Food Processing, Korea Food Research Institute, Wanju, Republic of Korea
| | - Dong Uk Ahn
- Department of Animal Science, Iowa State University, Ames, Iowa, USA
| | - Kee-Tae Kim
- Research Center, WithBio Inc., Seoul, Republic of Korea
| | - Hyun-Dong Paik
- Department of Food Science and Biotechnology of Animal Resources, Konkuk University, Seoul, Republic of Korea
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Ha JS, Lee NK, Paik HD. Heat-Killed Enterococcus faecium KU22001 Having Effective Anti-Cancer Effects on HeLa Cell Lines at a Lower Temperature. J Microbiol Biotechnol 2024; 34:1-10. [PMID: 38494869 DOI: 10.4014/jmb.2310.10050] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/31/2023] [Revised: 12/06/2023] [Accepted: 12/26/2023] [Indexed: 03/19/2024]
Abstract
The anti-cancer effects of heat-killed Enterococcus faecium KU22001 (KU22001), KU22002, and KU22005 isolated from human infant feces were investigated. The anti-proliferative activity of these strains against various cancer cell lines was evaluated using the MTT assay. To determine the production of exopolysaccharides (EPS) with potential anti-cancer effect, ethanol precipitation and phenol-sulfuric acid method was used with the cell free supernatant of strains grown at 25°C or 37°C. The EPS yield of E. faecium strains was higher at 25°C than at 37°C. Among these E. faecium strains, KU22001 grown at 25°C was associated with the highest bax/bcl-2 ratio, effective apoptosis rate, cell cycle arrest in the G0/G1 phase, and condensation of the nucleus in the cervical cancer HeLa cell line. In conclusion, these results suggest that KU22001 can be beneficial owing to the anti-cancer effects and production of functional materials, such as EPS.
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Affiliation(s)
- Jun-Su Ha
- Department of Food Science and Biotechnology of Animal Resources, Konkuk University, Seoul 05029, Republic of Korea
| | - Na-Kyoung Lee
- Department of Food Science and Biotechnology of Animal Resources, Konkuk University, Seoul 05029, Republic of Korea
| | - Hyun-Dong Paik
- Department of Food Science and Biotechnology of Animal Resources, Konkuk University, Seoul 05029, Republic of Korea
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Bae WY, Lee DU, Yu HS, Lee NK, Paik HD. Fermentation of Inula britannica using Lactobacillus plantarum SY12 increases of epigallocatechin gallate and attenuates toxicity. Food Chem 2023; 429:136844. [PMID: 37454617 DOI: 10.1016/j.foodchem.2023.136844] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/24/2022] [Revised: 05/25/2023] [Accepted: 07/06/2023] [Indexed: 07/18/2023]
Abstract
This study aimed to increase epigallocatechin gallate (EGCG) levels and attenuate the toxicity in Inulabritannica by fermentation using Lactobacillus plantarum SY12. The optimal medium was composed of 10 g of I. britannica, 4 g of xylose, 5 g of soytone, and 5 g of beef extract. The predicted value of EGCG was 237.327 μg/mL. To investigate damage in HepG2 cell lines by I. britannica extracts (IE) or fermented I. britannica extracts (FIE), cell viability, mitochondria membrane potential, the expression of apoptosis and autophagy genes, and chemical composition were measured. FIE increased cell viability, regulation of the gene expression (decreased p53, p62, p-ERK 1/2, and p-p38; increased CDK2 and CDK4) compared with IE. These results were explained by an increase in 1,3-dicaffeoylquinic acid and a decrease in 1-O-caffeoylquinic acid, 1-O-acetylbritannilactone, and ergolide in FIE. In conclusion, these results indicated that fermentation can mitigate the toxicity in I. britannica.
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Affiliation(s)
- Won-Young Bae
- Department of Food Science and Biotechnology of Animal Resources, Konkuk University, Seoul 05029, Korea
| | - Do-Un Lee
- Department of Food Science and Biotechnology of Animal Resources, Konkuk University, Seoul 05029, Korea
| | - Hyung-Seok Yu
- Department of Food Science and Biotechnology of Animal Resources, Konkuk University, Seoul 05029, Korea
| | - Na-Kyoung Lee
- Department of Food Science and Biotechnology of Animal Resources, Konkuk University, Seoul 05029, Korea
| | - Hyun-Dong Paik
- Department of Food Science and Biotechnology of Animal Resources, Konkuk University, Seoul 05029, Korea.
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Lee N, Park YS, Kang DK, Paik HD. Paraprobiotics: definition, manufacturing methods, and functionality. Food Sci Biotechnol 2023; 32:1981-1991. [PMID: 37860741 PMCID: PMC10581967 DOI: 10.1007/s10068-023-01378-y] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/17/2023] [Revised: 06/15/2023] [Accepted: 06/18/2023] [Indexed: 10/21/2023] Open
Abstract
Probiotics are living microorganisms that are beneficial to the host, enhancing the immune response by promoting antibody production, regulating cytokine secretion, and stimulating T cells. However, probiotics have limitations in that they require viability control and have a short shelf life. Recently, the use of paraprobiotics has gained attention. These include dead bacterial cells, bacterial fractions, and cell lysate that have health benefits and are stable and safe for use. Paraprobiotics comprise molecules of bacterial cell wall compounds, such as peptidoglycans, teichoic acids, polysaccharides, and cell surface proteins. Paraprobiotics are manufactured by a diverse range of techniques, including thermal treatments, high pressure, ultraviolet rays, sonication, ionizing radiation, and pH modification. Their beneficial health effects include immunomodulatory, intestinal balancing, anticancer, and antimicrobial activities. Therefore, this review summarizes and discusses the manufacturing methods and bioavailability of paraprobiotics and suggests their potential health advantages.
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Affiliation(s)
- Na‑Kyoung Lee
- Department of Food Science and Biotechnology of Animal Resources, Konkuk University, Seoul, 05029 Republic of Korea
| | - Young-Seo Park
- Department of Food Science and Biotechnology, Gachon University, Seongnam-si, Gyeonggi-do 13120 Republic of Korea
| | - Dae-Kyung Kang
- Department of Animal Biotechnology, Dankook University, Cheonan, 31116 Republic of Korea
| | - Hyun-Dong Paik
- Department of Food Science and Biotechnology of Animal Resources, Konkuk University, Seoul, 05029 Republic of Korea
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12
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Hyun JH, Yu HS, Woo IK, Lee GW, Lee NK, Paik HD. Anti-inflammatory activities of Levilactobacillus brevis KU15147 in RAW 264.7 cells stimulated with lipopolysaccharide on attenuating NF-κB, AP-1, and MAPK signaling pathways. Food Sci Biotechnol 2023; 32:2105-2115. [PMID: 37860733 PMCID: PMC10581997 DOI: 10.1007/s10068-023-01318-w] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/08/2023] [Revised: 04/13/2023] [Accepted: 04/17/2023] [Indexed: 10/21/2023] Open
Abstract
Probiotics confer many beneficial effects on several illnesses, ranging from microbial diarrhea to inflammatory diseases. This study was conducted on whether Levilactobacillus brevis KU15147 obtained from kimchi has anti-inflammatory effects in RAW 264.7 cells stimulated with lipopolysaccharide (LPS) and antioxidant potential. L. brevis KU15147 reduced nitric oxide and prostaglandin E2 levels with decreasing the activation of inducible nitric oxide synthase and cyclooxygenase-2 without cell cytotoxicity. In addition, L. brevis KU15147 attenuated proinflammatory cytokine production including tumor necrosis factor-α, interleukin (IL)-1β, and IL-6 in RAW 264.7 cells stimulated with LPS. Additionally, L. brevis KU15147 reduced the activity of nuclear factor-κB, activator protein-1, and mitogen-activated protein kinase signaling pathways. Furthermore, L. brevis KU15147 downregulated the production of reactive oxygen species. Therefore, L. brevis KU15147 was concluded that had an inhibition effect on LPS-induced inflammatory responses and can be used in functional foods to suppress inflammatory diseases. Supplementary Information The online version contains supplementary material available at 10.1007/s10068-023-01318-w.
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Affiliation(s)
- Jun-Hyun Hyun
- Department of Food Science and Biotechnology of Animal Resources, Konkuk University, Seoul, 05029 Republic of Korea
| | - Hyung-Seok Yu
- Department of Food Science and Biotechnology of Animal Resources, Konkuk University, Seoul, 05029 Republic of Korea
| | - Im-Kyung Woo
- Department of Food Science and Biotechnology of Animal Resources, Konkuk University, Seoul, 05029 Republic of Korea
| | - Gil-Woong Lee
- View of Creativity, GHBio Co., Ltd., 120 Neungdong-Ro, Seoul, Republic of Korea
| | - Na-Kyoung Lee
- Department of Food Science and Biotechnology of Animal Resources, Konkuk University, Seoul, 05029 Republic of Korea
| | - Hyun-Dong Paik
- Department of Food Science and Biotechnology of Animal Resources, Konkuk University, Seoul, 05029 Republic of Korea
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13
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Bock HJ, Lee NK, Paik HD. Neuroprotective Effects of Heat-Killed Levilactobacillus brevis KU15152 on H 2O 2-Induced Oxidative Stress. J Microbiol Biotechnol 2023; 33:1189-1196. [PMID: 37317628 PMCID: PMC10580890 DOI: 10.4014/jmb.2304.04045] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/25/2023] [Revised: 05/09/2023] [Accepted: 05/15/2023] [Indexed: 06/16/2023]
Abstract
This study proposed to demonstrate the neuroprotective effects of heat-killed Levilactobacillus brevis KU15152. Heat-killed L. brevis KU15152 showed antioxidant activity similar to that of Lacticaseibacillus rhamnosus GG, in terms of radical scavenging activity. To evaluate the neuroprotective effects, conditioned medium (CM) obtained by incubating heat-killed bacteria in intestinal cells (HT-29) was used through gut-brain axis. CM from L. brevis KU15152 protected neuroblastoma cells (SH-SY5Y) against H2O2-induced oxidative stress. Pretreatment with CM significantly alleviated the morphological changes induced by H2O2. Heat-killed L. brevis KU15152 showed an increased brain-derived neurotrophic factor (BDNF) expression in HT-29 cells. L. brevis KU15152-CM remarkably downregulated the Bax/Bcl-2 ratio, while upregulating the expression of BDNF and tyrosine hydroxylase (TH) in SH-SY5Y cells. Furthermore, L. brevis KU15152-CM reduced caspase-3 activity following H2O2 treatment. In conclusion, L. brevis KU15152 can be potentially used as food materials to avoid neurodegenerative diseases.
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Affiliation(s)
- Hyun-Ji Bock
- Department of Food Science and Biotechnology of Animal Resources, Konkuk University, Seoul 05029, Republic of Korea
| | - Na-Kyoung Lee
- Department of Food Science and Biotechnology of Animal Resources, Konkuk University, Seoul 05029, Republic of Korea
| | - Hyun-Dong Paik
- Department of Food Science and Biotechnology of Animal Resources, Konkuk University, Seoul 05029, Republic of Korea
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14
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Hong CR, Lee EH, Jung YH, Lee JH, Paik HD, Hong SC, Choi SJ. Development and Characterization of Inula britannica Extract-Loaded Liposomes: Potential as Anti-Inflammatory Functional Food Ingredients. Antioxidants (Basel) 2023; 12:1636. [PMID: 37627631 PMCID: PMC10451523 DOI: 10.3390/antiox12081636] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/31/2023] [Revised: 07/04/2023] [Accepted: 08/15/2023] [Indexed: 08/27/2023] Open
Abstract
We investigated the potential of Inula britannica extract encapsulated in liposomes as a functional food ingredient with enhanced bioavailability and stability. Inula britannica, known for its anti-inflammatory properties and various health benefits, was encapsulated using a liposome mass production manufacturing method, and the physical properties of liposomes were evaluated. The liposomes exhibited improved anti-inflammatory effects in lipopolysaccharide-activated RAW 264.7 macrophages, suppressing the production of pro-inflammatory mediators such as nitric oxide and prostaglandin E2 and downregulating the expression of iNOS and COX-2 transcription factors. Additionally, we observed reduced production of pro-inflammatory cytokines TNF-α, IL-6, and IL-1β, and modulation of the NF-κB and mitogen-activated protein kinase signaling pathways. These findings suggest that Inula britannica extract encapsulated in liposomes could serve as a valuable functional food ingredient for managing and preventing inflammation-related disorders, making it a promising candidate for incorporation into various functional food products. The enhanced absorption and stability provided by liposomal encapsulation can enable better utilization of the extract's beneficial properties, promoting overall health and well-being.
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Affiliation(s)
- Chi Rac Hong
- Department of Food Science and Technology, Seoul National University of Science and Technology, Seoul 01811, Republic of Korea;
| | - Eun Ha Lee
- Smart Farm Research Center, Korea Institute of Science and Technology, Gangneung 25451, Republic of Korea;
| | - Young Hoon Jung
- School of Food Science and Biotechnology, Kyungpook National University, Daegu 41566, Republic of Korea;
| | - Ju-Hoon Lee
- Department of Food and Animal Biotechnology, Research Institute of Agriculture and Life Science, Seoul National University, Seoul 08826, Republic of Korea;
| | - Hyun-Dong Paik
- Department of Food Science and Biotechnology of Animal Resources, Konkuk University, Seoul 05029, Republic of Korea;
| | - Sung-Chul Hong
- Department of Food Science and Biotechnology, Kunsan National University, Gunsan 54150, Republic of Korea
| | - Seung Jun Choi
- Department of Food Science and Technology, Seoul National University of Science and Technology, Seoul 01811, Republic of Korea;
- Center for Functional Biomaterials, Seoul National University of Science and Technology, Seoul 01811, Republic of Korea
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15
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Jung HS, Lee NK, Paik HD. Heat-Killed Latilactobacillus sakei CNSC001WB and Lactobacillus pentosus WB693 Have an Anti-inflammatory Effect on LPS-Stimulated RAW 264.7 Cells. Probiotics Antimicrob Proteins 2023:10.1007/s12602-023-10139-6. [PMID: 37589784 DOI: 10.1007/s12602-023-10139-6] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 08/07/2023] [Indexed: 08/18/2023]
Abstract
Excessive inflammatory results, such as those seen in rheumatoid arthritis and cardiovascular diseases, are known to cause various complications. Therefore, we aimed to investigate whether heat-killed Latilactobacillus sakei CNS001WB and Lactobacillus pentosus WB693 can prevent inflammatory reactions. When LPS-stimulated RAW 264.7 cells were handled with either heat-killed Lact. sakei CNSC001WB or Lact. pentosus WB693, the production of nitric oxide reduced. Furthermore, the expression of cyclooxygenase (COX)-2 and proinflammatory cytokines, such as tumor necrosis factor-alpha (TNF-α), interleukin (IL)-1β, and IL-6, was suppressed. The expression of prostaglandin E2 (PGE2) and leukotriene B4 (LTB4), which play important roles in inflammatory diseases, especially arthritis, was also reduced. Moreover, these strains inhibited nuclear factor-κB (NF-κB) and mitogen-activated protein kinase (MAPK) pathways, which activate various cytokines and inflammatory mediators. Additionally, heat-killed Lact. sakei CNSC001WB and Lact. pentosus WB693 inhibited the reactive oxygen species (ROS) production. Based on these results, we concluded that heat-killed Lact. sakei CNSC001WB and Lact. pentosus WB693 sufficiently inhibited the inflammatory response and may have anti-inflammatory potential.
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Affiliation(s)
- Hee-Su Jung
- Department of Food Science and Biotechnology of Animal Resources, Konkuk University, Seoul, 05029, Republic of Korea
| | - Na-Kyoung Lee
- Department of Food Science and Biotechnology of Animal Resources, Konkuk University, Seoul, 05029, Republic of Korea
| | - Hyun-Dong Paik
- Department of Food Science and Biotechnology of Animal Resources, Konkuk University, Seoul, 05029, Republic of Korea.
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16
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Park JY, Kim KT, Paik HD. Neuroprotective effects of hydroponic ginseng fermented by Lactococcus lactis KC24 in oxidatively stressed SH-SY5Y cells. J Sci Food Agric 2023; 103:4413-4420. [PMID: 36806249 DOI: 10.1002/jsfa.12515] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/24/2022] [Revised: 01/30/2023] [Accepted: 02/20/2023] [Indexed: 06/06/2023]
Abstract
BACKGROUND Panax ginseng Meyer, a traditional herb in Asia, contains bioactive compounds such as polyphenolic compounds, flavonoids, and ginsenosides. Furthermore, fermentation with probiotics can promote the biofunctional activities of ginseng. This study's object was to investigate the neuroprotective effect of hydroponic ginseng against hydrogen peroxide (H2 O2 )-induced cytotoxicity and its effect on the fermentation time. RESULTS Nonfermented hydroponic ginseng (HNF) was fermented with Lactococcus lactis KC24 at 37 °C for 12 h (H12F) or 24 h (H24F). As fermentation progressed, the content of ginsenosides Rd and F2 increased slightly. The viability of cells pretreated with H2 O2 -exposed nonfermented soil-cultivated ginseng (SNF), HNF, H12F, and H24F gradually improved. In addition, a similar cytotoxicity trend was observed for the level of lactate dehydrogenase released. Fermentation with L. lactis KC24 also enhanced the protective effect of HNF in all assays related to the neuroprotective pathway. In other words, superoxide dismutase and catalase messenger RNA (mRNA) expression levels were upregulated in H24F-treated cells. Similarly, H24F also upregulated the mRNA and protein expression of brain-derived neurotrophic factor to the highest observed concentration. Moreover, the Bax/Bcl-2 ratio was the lowest after H24F pretreatment in H2 O2 -induced SH-SY5Y cells. Attenuating the cytotoxicity in H2 O2 -induced SH-SY5Y cells, H24F markedly reduced caspase-3 and -9 mRNA expression and caspase-3 activity. CONCLUSION These results suggest that HNF exhibited higher neuroprotection than SNF, which was enhanced after fermentation. This study demonstrates that H12F and H24F can be potential ingredients for developing healthy functional foods and pharmaceutical materials. © 2023 Society of Chemical Industry.
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Affiliation(s)
- Ji-Young Park
- Department of Food Science and Biotechnology of Animal Resources, Konkuk University, Seoul, Republic of Korea
| | - Kee-Tae Kim
- Department of Food Science and Biotechnology of Animal Resources, Konkuk University, Seoul, Republic of Korea
| | - Hyun-Dong Paik
- Department of Food Science and Biotechnology of Animal Resources, Konkuk University, Seoul, Republic of Korea
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17
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Kang CE, Park YJ, Kim JH, Lee NK, Paik HD. Probiotic Weissella cibaria displays antibacterial and anti-biofilm effect against cavity-causing Streptococcus mutans. Microb Pathog 2023; 180:106151. [PMID: 37172659 DOI: 10.1016/j.micpath.2023.106151] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/28/2023] [Revised: 04/24/2023] [Accepted: 05/09/2023] [Indexed: 05/15/2023]
Abstract
Streptococcus mutans is a significant contributor to dental caries and causes functional and aesthetic discomfort. Weissella cibaria strains were isolated from kimchi, and their functional properties were determined. In this study, the antibacterial and antibiofilm effects of four W. cibaria strains (D29, D30, D31, and B22) were evaluated against three S. mutans strains using culture fluid and cell-free supernatants. The results showed that W. cibaria reduced the exopolysaccharides production and auto-aggregation, increased co-aggregation, and downregulated virulence factors, leading to the inhibition of bacterial growth and biofilm formation. These findings were confirmed using scanning electron microscopy and confocal laser scanning microscopy. These results indicate that oral health can be potentially improved by W. cibaria.
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Affiliation(s)
- Cho Eun Kang
- Department of Food Science and Biotechnology of Animal Resources, Konkuk University, Seoul, Republic of Korea
| | - Yeong Jin Park
- Department of Food Science and Biotechnology of Animal Resources, Konkuk University, Seoul, Republic of Korea
| | - Ji Hun Kim
- Department of Food Science and Biotechnology of Animal Resources, Konkuk University, Seoul, Republic of Korea
| | - Na-Kyoung Lee
- Department of Food Science and Biotechnology of Animal Resources, Konkuk University, Seoul, Republic of Korea
| | - Hyun-Dong Paik
- Department of Food Science and Biotechnology of Animal Resources, Konkuk University, Seoul, Republic of Korea.
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18
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Lee JE, An BJ, Jo C, Min B, Paik HD, Ahn DU. The elastase and melanogenesis inhibitory and anti-inflammatory activities of phosvitin phosphopeptides produced using high-temperature and mild-pressure (HTMP) pretreatment and enzyme hydrolysis combinations. Poult Sci 2023; 102:102680. [PMID: 37120871 PMCID: PMC10172692 DOI: 10.1016/j.psj.2023.102680] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/13/2023] [Revised: 03/21/2023] [Accepted: 03/26/2023] [Indexed: 05/02/2023] Open
Abstract
This study aimed to determine the skin protective effect of egg yolk phosvitin phosphopeptides (PPPs). Phosvitin was separated from the egg yolk, and PPPs were produced using high-temperature and mild-pressure (HTMP) pretreatment and enzyme-sterilization hydrolysis combinations. The elastase and melanogenesis inhibitory activities and anti-inflammatory effects of egg yolk PPPs were determined. All PPPs significantly inhibited elastase activity, but the PPPs prepared with HTMP pretreatment and trypsin-sterilization (HTMP-T-S) combination suppressed the tyrosinase activity the most. PPPs (3 mg/mL) inhibited the α-melanocyte-stimulating hormone-induced melanin production in B16F10 melanoma cells by 31.18 to 38.58%. In addition, PPPs effectively inhibited nitric oxide (NO) production in the LPS (lipopolysaccharide)-stimulated RAW 264.7 macrophages, and the PPPs from HTMP-T-S exhibited the highest inhibitory activity. The protein expressions of pro-inflammatory enzymes, inducible nitric oxide synthase, and cyclooxygenase-2 were down-regulated by the PPPs from the HTMP-T-S. Therefore, PPPs could be used as an anti-melanogenic, anti-elastase, and anti-inflammatory agent for humans and skin care products.
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Affiliation(s)
- Ji-Eun Lee
- Department of Food Science and Biotechnology of Animal Resources, Konkuk University, Seoul 05029, Republic of Korea
| | - Bong Jeun An
- Department of Cosmeceutical Science, Daegu Haany University, Gyeongsan 38578, Republic of Korea
| | - Cheorun Jo
- Department of Agricultural Biotechnology, Seoul National University, Seoul 08826, Republic of Korea
| | - Byungrok Min
- Department of Agriculture, Food, and Resource Sciences, University of Maryland Eastern Shore, Princess Anne, MD 21853, USA
| | - Hyun-Dong Paik
- Department of Food Science and Biotechnology of Animal Resources, Konkuk University, Seoul 05029, Republic of Korea
| | - Dong Uk Ahn
- Department of Animal Science, Iowa State University, Ames, IA 50011, USA.
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Yeon Cho H, Lee JE, Hoon Lee J, Uk Ahn D, Paik HD. The immune-enhancing activity of egg white ovalbumin hydrolysate prepared with papain via MAPK signaling pathway in RAW 264.7 macrophages. J Funct Foods 2023. [DOI: 10.1016/j.jff.2023.105487] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 03/11/2023] Open
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20
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Mendoza RM, Kim SH, Vasquez R, Hwang IC, Park YS, Paik HD, Moon GS, Kang DK. Bioinformatics and its role in the study of the evolution and probiotic potential of lactic acid bacteria. Food Sci Biotechnol 2023; 32:389-412. [PMID: 36911331 PMCID: PMC9992694 DOI: 10.1007/s10068-022-01142-8] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/14/2022] [Revised: 06/30/2022] [Accepted: 07/13/2022] [Indexed: 11/04/2022] Open
Abstract
Due to their numerous well-established applications in the food industry, there have been many studies regarding the adaptation and evolution of lactic acid bacteria (LAB) in a wide variety of hosts and environments. Progress in sequencing technology and continual decreases in its costs have led to the availability of LAB genome sequence data. Bioinformatics has been central to the extraction of valuable information from these raw genome sequence data. This paper presents the roles of bioinformatics tools and databases in understanding the adaptation and evolution of LAB, as well as the bioinformatics methods used in the initial screening of LAB for probiotic potential. Moreover, the advantages, challenges, and limitations of employing bioinformatics for these purposes are discussed.
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Affiliation(s)
- Remilyn M. Mendoza
- Department of Animal Resources Science, Dankook University, 119 Dandae-ro, Cheonan, 31116 Republic of Korea
| | - Sang Hoon Kim
- Department of Animal Resources Science, Dankook University, 119 Dandae-ro, Cheonan, 31116 Republic of Korea
| | - Robie Vasquez
- Department of Animal Resources Science, Dankook University, 119 Dandae-ro, Cheonan, 31116 Republic of Korea
| | - In-Chan Hwang
- Department of Animal Resources Science, Dankook University, 119 Dandae-ro, Cheonan, 31116 Republic of Korea
| | - Young-Seo Park
- Department of Food Science and Biotechnology, Gachon University, Seongnam, 13120 Republic of Korea
| | - Hyun-Dong Paik
- Department of Food Science and Biotechnology of Animal Resource, Konkuk University, Seoul, 05029 Republic of Korea
| | - Gi-Seong Moon
- Division of Food Science and Biotechnology, Korea National University of Transportation, Jeungpyeong, 27909 Republic of Korea
| | - Dae-Kyung Kang
- Department of Animal Resources Science, Dankook University, 119 Dandae-ro, Cheonan, 31116 Republic of Korea
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21
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Sharma N, Kang DK, Paik HD, Park YS. Beyond probiotics: a narrative review on an era of revolution. Food Sci Biotechnol 2023; 32:413-421. [PMID: 36911329 PMCID: PMC9992473 DOI: 10.1007/s10068-022-01212-x] [Citation(s) in RCA: 5] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/26/2022] [Revised: 11/01/2022] [Accepted: 11/11/2022] [Indexed: 12/03/2022] Open
Abstract
Whether knowingly or unknowingly, humans have been consuming probiotic microorganisms through traditionally fermented foods for generations. Bacteria, like lactic acid bacteria, are generally thought to be harmless and produce many metabolites that are beneficial for human health. Probiotics offer a wide range of health benefits; however, their therapeutic usage is limited because they are living organisms. As a result, the focus on the health advantages of microbes has recently shifted from viable live probiotics to non-viable microbes made from probiotics. These newly emerging non-viable microbes include paraprobiotics, postbiotics, psychobiotics, nutribiotics, and gerobiotics. Their metabolites can boost physiological health and reveal the therapeutic effects of probiotics. This new terminology in microbes, their traits, and their applications are summarized in the present review.
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Affiliation(s)
- Neha Sharma
- Department of Food Science and Biotechnology, Gachon University, Seongnam, 13120 Republic of Korea
| | - Dae-Kyung Kang
- Department of Animal Resources Science, Dankook University, Cheonan, 31116 Republic of Korea
| | - Hyun-Dong Paik
- Department of Food Science and Biotechnology of Animal Resources, Konkuk University, Seoul, 05029 Republic of Korea
| | - Young-Seo Park
- Department of Food Science and Biotechnology, Gachon University, Seongnam, 13120 Republic of Korea
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22
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Kariyawasam KMGMM, Lee NK, Paik HD. Effect of set-type yoghurt supplemented with the novel probiotic Lantiplantibacillus plantarum 200655 on physicochemical properties and the modulation of oxidative stress-induced damage. Food Sci Biotechnol 2023; 32:353-360. [PMID: 36778087 PMCID: PMC9905316 DOI: 10.1007/s10068-022-01201-0] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/12/2022] [Revised: 10/04/2022] [Accepted: 10/26/2022] [Indexed: 11/10/2022] Open
Abstract
The present study developed a functional yoghurt supplemented with Lantiplantibacillus plantarum 200655 and evaluated its physicochemical properties and antioxidant activities. Yoghurt samples were prepared using commercial starter cultures and probiotics and grouped as follows: control sample without probiotics (C), GG (supplemented with Lacticaseibacillus rhamnosus GG), R (supplemented with L. plantarum KCTC 3108), and S (supplemented with L. plantarum 200655). The GG, R, and S samples had shorter fermentation time compared with the C sample. Lactic acid bacteria count, pH, and titratable acidity were similar in all samples during refrigerated storage. However, the GG, R, and S samples showed increased viscosity and water holding capacity (WHC), and decreased syneresis. The S sample had no adverse effect on organoleptic properties. Furthermore, the S sample had the highest antioxidant activity and significantly inhibited LPS-induced oxidative stress in intestinal cells. These findings suggest the potential use of L. plantarum 200655 in dairy products with therapeutic benefits.
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Affiliation(s)
- Kariyawasam Majuwana Gamage Menaka Menike Kariyawasam
- Department of Food Science and Biotechnology of Animal Resources, Konkuk University, Seoul, 05029 South Korea
- Department of Biosystems Technology, Faculty of Technological Studies, Uva Wellassa University, Badulla, 90000 Sri Lanka
| | - Na-Kyoung Lee
- Department of Food Science and Biotechnology of Animal Resources, Konkuk University, Seoul, 05029 South Korea
| | - Hyun-Dong Paik
- Department of Food Science and Biotechnology of Animal Resources, Konkuk University, Seoul, 05029 South Korea
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23
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Park YJ, Kim YJ, Yu HH, Lee NK, Paik HD. Cell-free supernatants of Bacillus subtilis and Bacillus polyfermenticus inhibit Listeria monocytogenes biofilm formation. Food Control 2023. [DOI: 10.1016/j.foodcont.2022.109387] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/17/2022]
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24
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Park YJ, Kang CE, Kim JH, Shin D, Lee DH, Lee NK, Paik HD. Antibacterial mechanism of mixed natural preservatives (ε-poly-Lysine, cinnamon extract, and chestnut inner shell extract) against Listeria monocytogenes. Lebensm Wiss Technol 2023. [DOI: 10.1016/j.lwt.2023.114572] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/11/2023]
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25
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Song MW, Park JY, Kim WJ, Kim KT, Paik HD. Fermentative effects by probiotic Lactobacillus brevis B7 on antioxidant and anti-inflammatory properties of hydroponic ginseng. Food Sci Biotechnol 2023; 32:169-180. [PMID: 36647519 PMCID: PMC9839932 DOI: 10.1007/s10068-022-01183-z] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/15/2022] [Revised: 09/22/2022] [Accepted: 10/04/2022] [Indexed: 01/19/2023] Open
Abstract
Soil-cultivation presents environmental limitations and requires considerable labor, space, and water supply. Alternatively, hydroponically-cultured ginseng (HG) was improved its productivity, availability, and functionality. Improvement of bio-functionality by probiotic fermentation also has been studied. Therefore, in this study, HG was fermented using probiotics to enhance antioxidant and anti-inflammatory activities. Soil-cultivated ginseng (SG), 1 and 2-year HG (HG1, HG2) were extracted using 70% ethanol and fermented by Lactobacillus brevis B7. After fermentation, the phenolic and flavonoid contents, and antioxidant and NO scavenging activities were increased, and HG showed higher bioactivities than SG. Particularly, fermented HG2 showed the highest antioxidant and anti-inflammatory activities and significantly decreased the level of inflammatory mediators. Furthermore, fermented HG2 also effectively inhibited NF-κB signaling pathway. These results suggested that fermented HG significantly enhanced functionality compared to SG and non-fermented HG. This suggests that fermented HG is a potentially useful ingredient for developing health-functional foods or pharmaceutical materials.
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Affiliation(s)
- Myung Wook Song
- Department of Food Science and Biotechnology of Animal Resources, Konkuk University, Seoul, 05029 Republic of Korea
| | - Ji-Young Park
- Department of Food Science and Biotechnology of Animal Resources, Konkuk University, Seoul, 05029 Republic of Korea
| | - Won-Ju Kim
- Department of Food Science and Biotechnology of Animal Resources, Konkuk University, Seoul, 05029 Republic of Korea
| | - Kee-Tae Kim
- Department of Food Science and Biotechnology of Animal Resources, Konkuk University, Seoul, 05029 Republic of Korea
- Research Laboratory, WithBio Inc, Seoul, 05029 Republic of Korea
| | - Hyun-Dong Paik
- Department of Food Science and Biotechnology of Animal Resources, Konkuk University, Seoul, 05029 Republic of Korea
- Research Laboratory, WithBio Inc, Seoul, 05029 Republic of Korea
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26
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Hwang CH, Kim KT, Lee NK, Paik HD. Immune-Enhancing Effect of Heat-Treated Levilactobacillus brevis KU15159 in RAW 264.7 Cells. Probiotics Antimicrob Proteins 2023; 15:175-184. [PMID: 36178579 PMCID: PMC9523639 DOI: 10.1007/s12602-022-09996-4] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 09/23/2022] [Indexed: 01/18/2023]
Abstract
Probiotics are alive microbes that present beneficial to the human's health. They influence immune responses through stimulating antibody production, activating T cells, and altering cytokine expression. The probiotic characteristics of Levilactobacillus brevis KU15159 were evaluated on the tolerance and adherence to gastrointestinal conditions. L. brevis KU15159 was safe in a view of producing various useful enzymes and antibiotic sensitivity. Heat-treated L. brevis KU15159 increased production of nitric oxide (NO) and phagocytic activity in RAW 264.7 cells. In addition, heat-treated L. brevis KU15159 upregulated the expression of inducible nitric oxide synthase (iNOS) and proinflammatory cytokines including tumor necrosis factor (TNF)-α, interleukin (IL)-1β, and IL-6, at protein as well as mRNA levels. In addition, the mitogen-activated protein kinase (MAPK) pathway, which regulates the immune system, was activated by heat-treated L. brevis KU15159. Therefore, L. brevis KU15159 exhibited an immune-enhancing effect by the MAPK pathway in macrophage.
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Affiliation(s)
- Chang-Hoon Hwang
- Department of Food Science and Biotechnology of Animal Resources, Konkuk University, Seoul, 05029, Republic of Korea
| | - Kee-Tae Kim
- Research Center, WithBio Inc., Seoul, 05029, Republic of Korea
| | - Na-Kyoung Lee
- Department of Food Science and Biotechnology of Animal Resources, Konkuk University, Seoul, 05029, Republic of Korea
| | - Hyun-Dong Paik
- Department of Food Science and Biotechnology of Animal Resources, Konkuk University, Seoul, 05029, Republic of Korea.
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27
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Jo SH, Kim KJ, Park SY, Paik HD, Kim JY. The Human Milk Oligosaccharide 2'-Fucosyllactose Shows an Immune-Enhancing Effect in a Cyclophosphamide-Induced Mouse Model. J Microbiol Biotechnol 2022; 33:356-362. [PMID: 36697223 PMCID: PMC10084749 DOI: 10.4014/jmb.2211.11049] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/25/2022] [Revised: 12/04/2022] [Accepted: 12/06/2022] [Indexed: 01/27/2023]
Abstract
The 2'-fucosyllactose (2'-FL) is the richest components in a human milk oligosaccharide. Several studies have reported that 2'-FL has beneficial effects in infants. However, there are few studies on its immune-enhancing effects. This research aimed to examine the immune-enhancing effect of 2'- FL on immunosuppression by cyclophosphamide (CCP) in ICR mice. Mice were orally administered distilled water or 0.5 mg/kg B.W. 2'-FL for 14 days. An immunocompromised mouse model was induced using CCP 80 mg/kg B.W. at 12-14 days. Using the CCP had effects on reducing their body weight, organ weight, spleen index, natural killer (NK) cell activity, and cytokines concentration and expression. This study also used concanavalin A-mediated T-cell proliferation to verify the immuneenhancing effects in the sample. Body weight, spleen index, organ weight, and cytokine levels were measured to estimate the immune-enhancing effects. The body weight at 14 days tended to increase, and the spleen weight and index significantly increased in the 2'-FL group compared to the CCP group. The NK cell activity increased in the 2'-FL group compared to the CCP group, but there was no significant difference. The concentration of interleukin (IL)-2 tended to recover in the 2'-FL group compared to the CCP group. The 2'-FL group showed a significant increase of IL-10 and IFNgamma concentration compared to the CCP group. In addition, there was a trend of increased IL-10 mRNA expression compared to the CCP group. These results revealed that 2'-FL improved CCPinduced immunosuppression, suggesting that 2'-FL may have the potential to enhance the immune system.
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Affiliation(s)
- Seon Ha Jo
- Department of Nano Bio Engineering, Seoul National University of Science and Technology, Seoul 01811, Republic of Korea
| | - Kyeong Jin Kim
- Department of Nano Bio Engineering, Seoul National University of Science and Technology, Seoul 01811, Republic of Korea
| | - Soo-Yeon Park
- Department of Food Science and Technology, Seoul National University of Science and Technology, Seoul 01811, Republic of Korea
| | - Hyun-Dong Paik
- Department of Food Science and Biotechnology of Animal Resources, Konkuk University, Seoul 05029, Republic of Korea
| | - Ji Yeon Kim
- Department of Nano Bio Engineering, Seoul National University of Science and Technology, Seoul 01811, Republic of Korea.,Department of Food Science and Technology, Seoul National University of Science and Technology, Seoul 01811, Republic of Korea
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Choi GH, Bock HJ, Lee NK, Paik HD. Soy yogurt using Lactobacillus plantarum 200655 and fructooligosaccharides: neuroprotective effects against oxidative stress. J Food Sci Technol 2022; 59:4870-4879. [PMID: 36276546 PMCID: PMC9579260 DOI: 10.1007/s13197-022-05575-1] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Revised: 07/08/2022] [Accepted: 08/17/2022] [Indexed: 06/16/2023]
Abstract
This study aimed to evaluate the effect of Lactobacillus plantarum 200655 and fructooligosaccharides (FOS) on soymilk fermentation and the neuroprotective effects of fermented soymilk (FS). The addition of FOS did not affect the physicochemical properties during fermentation. It helped that L. plantarum 200655 survive for 21 days of storage at 4 °C. FOS increased the β-glucosidase activity of L. plantarum 200655, total phenolic content, and antioxidant activities, such as radical scavenging and reducing power of FS. In addition, FS with FOS exerted neuroprotective effects in SH-SY5Y cells against H2O2-induced oxidative stress. FS with 3% and 5% FOS (FS3 and FS5) significantly increased cell viability and gene expression of neuronal markers, such as brain-derived neurotrophic factor and tyrosine hydroxylase. Moreover, FS3 and FS5 significantly reduced lactate dehydrogenase release and the gene expression of Bax/Bcl-2 ratio, caspase-9, and caspase-3. These results indicated that FS3 and FS5, with enhanced antioxidant properties, could protect SH-SY5Y cells against H2O2-induced damage. Therefore, soymilk fermented with L. plantarum 200655 and FOS can be used as a prophylactic functional food with neuroprotective effects against oxidative stress.
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Affiliation(s)
- Ga-Hyun Choi
- Department of Food Science and Biotechnology of Animal Resources, Konkuk University, Seoul, 05029 Republic of Korea
| | - Hyun-Ji Bock
- Department of Food Science and Biotechnology of Animal Resources, Konkuk University, Seoul, 05029 Republic of Korea
| | - Na-Kyoung Lee
- Department of Food Science and Biotechnology of Animal Resources, Konkuk University, Seoul, 05029 Republic of Korea
| | - Hyun-Dong Paik
- Department of Food Science and Biotechnology of Animal Resources, Konkuk University, Seoul, 05029 Republic of Korea
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Lee JE, Lee JH, Min B, Kim KT, Ahn DU, Paik HD. Immunostimulatory effect of egg yolk phosvitin phosphopeptides produced by high-temperature and mild-pressure pretreatment and enzyme combinations in RAW 264.7 cells via TLR2/MAPK signaling pathway. J Funct Foods 2022. [DOI: 10.1016/j.jff.2022.105264] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/31/2022] Open
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Park JY, Song MW, Kim KT, Paik HD. Improved Antioxidative, Anti-Inflammatory, and Antimelanogenic Effects of Fermented Hydroponic Ginseng with Bacillus Strains. Antioxidants (Basel) 2022; 11:1848. [PMID: 36290570 PMCID: PMC9598918 DOI: 10.3390/antiox11101848] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/17/2022] [Revised: 09/13/2022] [Accepted: 09/16/2022] [Indexed: 07/30/2023] Open
Abstract
Compared with traditionally cultured ginseng, hydroponic ginseng (HG) contains more remarkable bioactive compounds, which are known to exert diverse functional effects. This study aimed to enhance the multifunctional effects, including the antioxidative, anti-inflammatory, and antimelanogenic effects, exhibited by fermented HG with Bacillus strains, such as Bacillus subtilis KU43, Bacillus subtilis KU201, Bacillus polyfermenticus SCD, and Bacillus polyfermenticus KU3, at 37 °C for 48 h. After fermentation by B. subtilis KU201, the antioxidant activity, determined using ABTS and FRAP assays, increased from 25.30% to 51.34% and from 132.10% to 236.27%, respectively, accompanied by the enhancement of the phenolic compounds and flavonoids. The inflammation induced in RAW 264.7 cells by lipopolysaccharide (LPS) was ameliorated with fermented HG, which regulated the nitric oxide (NO), prostaglandin E2 (PGE2), and proinflammatory markers (tumor necrosis factor (TNF)-α, and interleukin (IL)-1β and IL-6). The treatment with fermented HG inhibited the melanin accumulation in B16F10 cells induced by α-melanocyte-stimulating hormone (α-MSH) by controlling the concentrations of melanin synthesis and tyrosinase activity. These results indicate that the HG exhibited stronger antioxidative, anti-inflammatory, and antimelanogenic effects after fermentation. Consequently, HG fermented by Bacillus strains can potentially be used as an ingredient in cosmetological and pharmaceutical applications.
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Affiliation(s)
- Ji-Young Park
- Department of Food Science and Biotechnology of Animal Resources, Konkuk University, Seoul 05029, Korea
| | - Myung Wook Song
- Department of Food Science and Biotechnology of Animal Resources, Konkuk University, Seoul 05029, Korea
| | - Kee-Tae Kim
- Research Laboratory, WithBio Inc., Seoul 05029, Korea
| | - Hyun-Dong Paik
- Department of Food Science and Biotechnology of Animal Resources, Konkuk University, Seoul 05029, Korea
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Cho HY, Lee JE, Lee JH, Ahn DU, Kim KT, Paik HD. Anti-biofilm effect of egg white ovotransferrin and its hydrolysates against Listeria monocytogenes. Lebensm Wiss Technol 2022. [DOI: 10.1016/j.lwt.2022.113759] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
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Yu HS, Lee NK, Kim WJ, Lee DU, Kim JH, Paik HD. Optimization of an Industrial Medium and Culture Conditions for Probiotic Weissella cibaria JW15 Biomass Using the Plackett-Burman Design and Response Surface Methodology. J Microbiol Biotechnol 2022; 32:630-637. [PMID: 35354766 PMCID: PMC9628880 DOI: 10.4014/jmb.2202.02020] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/15/2022] [Revised: 03/17/2022] [Accepted: 03/20/2022] [Indexed: 12/15/2022]
Abstract
The objective of this study was to optimize industrial-grade media for improving the biomass production of Weissella cibaria JW15 (JW15) using a statistical approach. Eleven variables comprising three carbon sources (glucose, fructose, and sucrose), three nitrogen sources (protease peptone, yeast extract, and soy peptone), and five mineral sources (K2HPO4, potassium citrate, L-cysteine phosphate, MgSO4, and MnSO4) were screened by using the Plackett-Burman design. Consequently, glucose, sucrose, and soy peptone were used as significant variables in response surface methodology (RSM). The composition of the optimal medium (OM) was 22.35 g/l glucose, 15.57 g/l sucrose, and 10.05 g/l soy peptone, 2.0 g/l K2HPO4, 5.0 g/l sodium acetate, 0.1 g/l MgSO4·7H2O, 0.05 g/l MnSO4·H2O, and 1.0 g/l Tween 80. The OM significantly improved the biomass production of JW15 over an established commercial medium (MRS). After fermenting OM, the dry cell weight of JW15 was 4.89 g/l, which was comparable to the predicted value (4.77 g/l), and 1.67 times higher than that of the MRS medium (3.02 g/l). Correspondingly, JW15 showed a rapid and increased production of lactic and acetic acid in the OM. To perform a scale-up validation, batch fermentation was executed in a 5-l bioreactor at 37°C with or without a pH control at 6.0 ± 0.1. The biomass production of JW15 significantly improved (1.98 times higher) under the pH control, and the cost of OM was reduced by two-thirds compared to that in the MRS medium. In conclusion, OM may be utilized for mass producing JW15 for industrial use.
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Affiliation(s)
- Hyung-Seok Yu
- Department of Food Science and Biotechnology of Animal Resources, Konkuk University, Seoul 05029, Republic of Korea
| | - Na-Kyoung Lee
- Department of Food Science and Biotechnology of Animal Resources, Konkuk University, Seoul 05029, Republic of Korea
| | - Won-Ju Kim
- Department of Food Science and Biotechnology of Animal Resources, Konkuk University, Seoul 05029, Republic of Korea
| | - Do-Un Lee
- Department of Food Science and Biotechnology of Animal Resources, Konkuk University, Seoul 05029, Republic of Korea
| | - Jong-Ha Kim
- Department of Food Science and Biotechnology of Animal Resources, Konkuk University, Seoul 05029, Republic of Korea
| | - Hyun-Dong Paik
- Department of Food Science and Biotechnology of Animal Resources, Konkuk University, Seoul 05029, Republic of Korea,Corresponding author Phone: +82-2-2049-6011 Fax: +82-2-455-3082 E-mail:
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Jang HJ, Kim JH, Lee HS, Paik HD. Physicochemical analysis of non-fermented probiotic milk with probiotic Lactobacillus plantarum Ln1 isolated from Korea traditional fermented food. Food Sci Biotechnol 2022; 31:731-737. [PMID: 35646416 PMCID: PMC9133277 DOI: 10.1007/s10068-022-01076-1] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/12/2022] [Revised: 03/07/2022] [Accepted: 03/23/2022] [Indexed: 11/25/2022] Open
Abstract
The objective of this study was to develop a non-fermented probiotic milk that maintains its physicochemical properties, microbial properties, antioxidant activity, and sensory properties during storage (0, 7, and 14 days). During storage, pH and viable cell counts decreased; however, titratable acidity increased. In addition, the composition and sensory characteristics of the non-fermented probiotic milk showed no significant differences between samples (MLN; milk with Lactobacillus plantarum Ln1, MGG; milk with Lactobacillus rhamnosus GG, and milk control). The antioxidant activities of MLN determined using 2,2-diphenyl-2-picrylhydrazyl (DPPH) free radical scavenging, ABTS+ radical scavenging, and reducing power assay were higher during the examined storage periods when compared with those of the other samples. Overall, the physicochemical properties, microbial properties, and sensory factors of MLN showed no significant differences. However, high antioxidant activity was observed. Thus, we present a new functional dairy product with antioxidant activity.
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Affiliation(s)
- Hye Ji Jang
- Department of Food Science and Biotechnology of Animal Resources, Konkuk University, Seoul, 05029 Korea
| | - Jong Ha Kim
- Department of Food Science and Biotechnology of Animal Resources, Konkuk University, Seoul, 05029 Korea
| | - Hyun-Sook Lee
- Department of Foodservice Management and Nutrition, Sangmyung University, Seoul, 51767 Korea
| | - Hyun-Dong Paik
- Department of Food Science and Biotechnology of Animal Resources, Konkuk University, Seoul, 05029 Korea
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Kim WJ, Hyun JH, Lee NK, Paik HD. Protective Effects of a Novel Lactobacillus brevis Strain with Probiotic Characteristics against Staphylococcus aureus Lipoteichoic Acid-Induced Intestinal Inflammatory Response. J Microbiol Biotechnol 2022; 32:205-211. [PMID: 34750285 PMCID: PMC9628842 DOI: 10.4014/jmb.2110.10034] [Citation(s) in RCA: 6] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/21/2021] [Revised: 11/02/2021] [Accepted: 11/04/2021] [Indexed: 12/15/2022]
Abstract
Probiotics can effectively modulate host immune responses and prevent gastrointestinal diseases. The objective of this study was to investigate the probiotic characteristics of Lactobacillus brevis KU15152 isolated from kimchi and its protective potential against intestinal inflammation induced by Staphylococcus aureus lipoteichoic acid (aLTA). L. brevis KU15152 exhibited a high survival rate in artificial gastric and bile environments. Additionally, the adhesion capability of the strain to HT-29 cells was higher than that of L. rhamnosus GG. L. brevis KU15152 did not produce harmful enzymes, such as β-glucuronidase, indicating that it could be used as a potential probiotic. The anti-inflammatory potential of L. brevis KU15152 was determined in HT-29 cells. Treatment with L. brevis KU15152 suppressed the production of interleukin-8 without inducing significant cytotoxicity. The downregulatory effects of L. brevis KU15152 were involved in the suppression of nuclear factor-kappa B activation mediated by the extracellular signal-regulated kinase and Akt signaling pathways. Collectively, these data suggest that L. brevis KU15152 can be used in developing therapeutic and prophylactic products to manage and treat aLTA-induced intestinal damage.
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Affiliation(s)
- Won-Ju Kim
- Department of Food Science and Biotechnology of Animal Resources, Konkuk University, Seoul 05029, Republic of Korea
| | - Jun-Hyun Hyun
- Department of Food Science and Biotechnology of Animal Resources, Konkuk University, Seoul 05029, Republic of Korea
| | - Na-Kyoung Lee
- Department of Food Science and Biotechnology of Animal Resources, Konkuk University, Seoul 05029, Republic of Korea
| | - Hyun-Dong Paik
- Department of Food Science and Biotechnology of Animal Resources, Konkuk University, Seoul 05029, Republic of Korea,Corresponding author Phone: +82-2-2049-6011 E-mail:
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35
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Kim JH, Jang HJ, Lee NK, Paik HD. Antibacterial and Antibiofilm Effect of Cell-Free Supernatant of Lactobacillus brevis KCCM 202399 Isolated from Korean Fermented Food against Streptococcus mutans KCTC 5458. J Microbiol Biotechnol 2022; 32:56-63. [PMID: 34675145 PMCID: PMC9628830 DOI: 10.4014/jmb.2109.09045] [Citation(s) in RCA: 5] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/24/2021] [Revised: 10/08/2021] [Accepted: 10/15/2021] [Indexed: 12/15/2022]
Abstract
This study aims to determine the antibiofilm effect of cell-free supernatant (CFS) of Lactobacillus brevis strains against Streptococcus mutans strains. To study the antibiofilm mechanism against S. mutans strains, antibacterial effects, cell surface properties (auto-aggregation and cell surface hydrophobicity), exopolysaccharide (EPS) production, and morphological changes were examined. The antibiofilm effect of L. brevis KCCM 202399 CFS as morphological changes were evaluated by scanning electron microscopy (SEM) and confocal laser scanning microscopy (CLSM), compared with the control treatment. Among the L. brevis strains, L. brevis KCCM 202399 showed the highest antibiofilm effect on S. mutans KCTC 5458. The antibacterial effect of L. brevis KCCM 202399 against S. mutans KCTC 5458 was investigated using the deferred method (16.00 mm). The minimum inhibitory concentration of L. brevis KCCM 202399 against S. mutans KCTC 5458 was 25.00%. Compared with the control treatment, L. brevis KCCM 202399 CFS inhibited the bacterial adhesion of S. mutans KCTC 5458 by decreasing auto-aggregation, cell surface hydrophobicity, and EPS production (45.91%, 40.51%, and 67.44%, respectively). L. brevis KCCM 202399 CFS inhibited and eradicated the S. mutans KCTC 5458 biofilm. Therefore, these results suggest that L. brevis KCCM 202399 CFS may be used to develop oral health in the probiotic industry.
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Affiliation(s)
- Jong Ha Kim
- Department of Food Science and Biotechnology of Animal Resource Konkuk University, Seoul 05029, Republic of Korea
| | - Hye Ji Jang
- Department of Food Science and Biotechnology of Animal Resource Konkuk University, Seoul 05029, Republic of Korea
| | - Na-Kyoung Lee
- Department of Food Science and Biotechnology of Animal Resource Konkuk University, Seoul 05029, Republic of Korea
| | - Hyun-Dong Paik
- Department of Food Science and Biotechnology of Animal Resource Konkuk University, Seoul 05029, Republic of Korea,Corresponding author Phone: +82-2-2049-6011 E-mail:
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Lee NK, Han KJ, Park H, Paik HD. Effects of the Probiotic Lactiplantibacillus plantarum KU15120 Derived from Korean Homemade Diced-Radish Kimchi Against Oxidation and Adipogenesis. Probiotics Antimicrob Proteins 2022; 15:728-737. [PMID: 35031967 DOI: 10.1007/s12602-021-09885-2] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 12/03/2021] [Indexed: 11/28/2022]
Abstract
Intestinal microflora can influence abnormal adipocyte growth. Therefore, this study was aimed to investigate the probiotic properties and antioxidant and antiobesity effects of isolated strains from homemade kimchi. Among the isolated strains, Lactiplantibacillus plantarum KU15120 showed high tolerance to artificial gastric juice and bile salt conditions, high adhesion to HT-29 cells, nonproduction of β-glucuronidase, nonhemolysis, and acceptable resistance to antibiotics. It showed high antioxidant activity, including DPPH and ABTS radical scavenging and antioxidant activity, as determined by the β-carotene bleaching assay. Oil red O staining and intracellular triglyceride levels revealed reduced lipid accumulation, which confirmed the anti-adipogenic activity of L. plantarum KU15120. In addition, the expression levels of fatty acid synthase, CCAAT/enhance-binding protein α, and peroxisome proliferator-activated receptor γ, were significantly lower in the probiotic-treated group than in the control group. These results suggest that L. plantarum KU15120 has probiotic properties, antioxidant, and antiobesity effects and could be used as a therapeutic probiotics.
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Affiliation(s)
- Na-Kyoung Lee
- Department of Food Science and Biotechnology of Animal Resource, Konkuk University, Seoul, 05029, Republic of Korea.,WithBio Inc, Seoul, 05029, Republic of Korea
| | - Kyoung Jun Han
- Department of Food Science and Biotechnology of Animal Resource, Konkuk University, Seoul, 05029, Republic of Korea
| | - Hoon Park
- Department of Food Science, Sun Moon University, Asan, 31460, Republic of Korea
| | - Hyun-Dong Paik
- Department of Food Science and Biotechnology of Animal Resource, Konkuk University, Seoul, 05029, Republic of Korea.
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Lee JH, Lee Y, Paik HD, Park E. Antioxidant and immune-modulating activities of egg yolk protein
extracts. Food Sci Anim Resour 2022; 42:321-331. [PMID: 35310562 PMCID: PMC8907799 DOI: 10.5851/kosfa.2022.e3] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/25/2021] [Revised: 01/05/2022] [Accepted: 01/07/2022] [Indexed: 11/06/2022] Open
Abstract
Egg yolk is widely used to extract lecithin, which is utilized in the food and
cosmetics industry. After lecithin is removed, the rest of egg yolk is generated
as a by-product. Thus, it is necessary to properly utilize it. In this study,
egg yolk protein extracts were produced using ethanol (EYE-E) and water (EYE-W).
Their antioxidant and immunomodulatory effects were then evaluated. Antioxidant
activities of EYE-E and EYE-W were determined using cellular antioxidant
capacity (CAC) assay and comet assay. EYE-E and EYE-W showed significant
(p<0.05) scavenging effects on intracellular reactive oxygen species
(ROS) in a dose dependent manner. At a concentration of 50 μg/mL, EYE-W
showed higher (p<0.05) antioxidant activity than EYE-E. EYE-E and EYE-W
also exhibited protective effects against DNA damage caused by oxidative stress.
After treatment with EYE-E and EYE-W, DNA damage level of 48.7% due to
oxidative stress was decreased to 36.2% and 31.8% levels,
respectively. In addition, EYE-E and EYE-W showed immunomodulatory effects by
regulating Th1 cytokines (TNF-α and IL-2) and Th2 cytokines (IL-10 and
IL-4) in Balb/c mouse splenocytes. These data suggest that EYE-E and EYE-W could
be used as functional food ingredients with excellent antioxidant and
immunomodulatory activities in the food industry.
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Affiliation(s)
- Jae Hoon Lee
- Research Group of Food Processing, Korea
Food Research Institute, Wanju 55365,
Korea
| | - Yunjung Lee
- Department of Food and Nutrition, Kyungnam
University, Changwon 51767, Korea
| | - Hyun-Dong Paik
- Department of Food Science and
Biotechnology of Animal Resources, Konkuk University,
Seoul 05029, Korea
| | - Eunju Park
- Department of Food and Nutrition, Kyungnam
University, Changwon 51767, Korea
- Corresponding author : Eunju
Park, Department of Food and Nutrition, Kyungnam University, Changwon, 51767,
Korea, Tel: +82-55-249-2218, Fax: +82-505-999-2104, E-mail:
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Lee JH, Kim HJ, Ahn DU, Paik HD. Improved immune-enhancing activity of egg white protein ovotransferrin after enzyme hydrolysis. J Anim Sci Technol 2021; 63:1159-1168. [PMID: 34796354 PMCID: PMC8564309 DOI: 10.5187/jast.2021.e82] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 03/31/2021] [Revised: 05/07/2021] [Accepted: 06/02/2021] [Indexed: 12/13/2022]
Abstract
Ovotransferrin (OTF), an egg protein known as transferrin family protein, possess strong antimicrobial and antioxidant activity. This is because OTF has two iron binding sites, so it has a strong metal chelating ability. The present study aimed to evaluate the improved immune-enhancing activities of OTF hydrolysates produced using bromelain, pancreatin, and papain. The effects of OTF hydrolysates on the production and secretion of pro-inflammatory mediators in RAW 264.7 macrophages were confirmed. The production of nitric oxide (NO) was evaluated using Griess reagent and the expression of inducible nitric oxide synthase (iNOS) were evaluated using quantitative real-time polymerase chain reaction (PCR). And the production of pro-inflammatory cytokines (tumor necrosis factor [TNF]-α and interleukin [IL]-6) and the phagocytic activity of macrophages were evaluated using an ELISA assay and neutral red uptake assay, respectively. All OTF hydrolysates enhanced NO production by increasing iNOS mRNA expression. Treating RAW 264.7 macrophages with OTF hydrolysates increased the production of pro-inflammatory cytokines and the phagocytic activity. The production of NO and pro-inflammatory cytokines induced by OTF hydrolysates was inhibited by the addition of specific mitogen-activated protein kinase (MAPK) inhibitors. In conclusion, results indicated that all OTF hydrolysates activated RAW 264.7 macrophages by activating MAPK signaling pathway.
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Affiliation(s)
- Jae Hoon Lee
- Department of Food Science and Biotechnology of Animal Resources, Konkuk University, Seoul 05029, Korea
| | - Hyeon Joong Kim
- Department of Food Science and Biotechnology of Animal Resources, Konkuk University, Seoul 05029, Korea
| | - Dong Uk Ahn
- Department of Animal Science, Iowa State University, Ames, IA 50011, USA
| | - Hyun-Dong Paik
- Department of Food Science and Biotechnology of Animal Resources, Konkuk University, Seoul 05029, Korea
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Chung Y, Park JY, Lee JE, Kim KT, Paik HD. Antioxidant Activity and Inhibitory Effect on Nitric Oxide Production of Hydroponic Ginseng Fermented with Lactococcus lactis KC24. Antioxidants (Basel) 2021; 10:1614. [PMID: 34679749 PMCID: PMC8533331 DOI: 10.3390/antiox10101614] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/13/2021] [Revised: 10/10/2021] [Accepted: 10/12/2021] [Indexed: 11/16/2022] Open
Abstract
Panax ginseng Meyer is used as a medicinal plant. The aim of this study was to ferment hydroponic ginseng with Lactococcus lactis KC24 and confirm its antioxidant activity and inhibitory effect on nitric oxide (NO) production. Flavonoid and phenol contents in fermented ginseng extracts were measured. Antioxidant activity was measured by DPPH, ABTS, reducing power, FRAP and β-carotene assays. Additionally, inhibitory effects on NO production and toxicity of the fermented extract were determined using RAW 264.7 cells. Phenol and flavonoid contents increased as the fermentation time increased, and the contents were higher in hydroponic ginseng than in soil-cultivated ginseng. The DPPH assay revealed that the antioxidant activity of the 24 h fermented extract significantly increased from 32.57% to 41% (p < 0.05). The increase in antioxidant activity may be affected by an increase in phenol and flavonoid contents. At 1 mg/mL solid content, the 24 h fermented hydroponic ginseng extract inhibited NO production from 9.87 ± 0.06 μM to 1.62 ± 0.26 μM. In conclusion, the increase in antioxidant activity affects the inhibition of NO production, suggesting that fermented hydroponic ginseng may be used in the industries of functional food and pharmaceutical industry as a functional material with anti-inflammatory effects.
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Affiliation(s)
| | | | | | | | - Hyun-Dong Paik
- Department of Food Science and Biotechnology of Animal Resources, Konkuk University, Seoul 05029, Korea; (Y.C.); (J.-Y.P.); (J.-E.L.); (K.-T.K.)
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Yu HH, Chin YW, Paik HD. Application of Natural Preservatives for Meat and Meat Products against Food-Borne Pathogens and Spoilage Bacteria: A Review. Foods 2021; 10:2418. [PMID: 34681466 PMCID: PMC8535775 DOI: 10.3390/foods10102418] [Citation(s) in RCA: 29] [Impact Index Per Article: 9.7] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/26/2021] [Revised: 10/01/2021] [Accepted: 10/10/2021] [Indexed: 12/21/2022] Open
Abstract
Meat and meat products are excellent sources of nutrients for humans; however, they also provide a favorable environment for microbial growth. To prevent the microbiological contamination of livestock foods, synthetic preservatives, including nitrites, nitrates, and sorbates, have been widely used in the food industry due to their low cost and strong antibacterial activity. Use of synthetic chemical preservatives is recently being considered by customers due to concerns related to negative health issues. Therefore, the demand for natural substances as food preservatives has increased with the use of plant-derived and animal-derived products, and microbial metabolites. These natural preservatives inhibit the growth of spoilage microorganisms or food-borne pathogens by increasing the permeability of microbial cell membranes, interruption of protein synthesis, and cell metabolism. Natural preservatives can extend the shelf-life and inhibit the growth of microorganisms. However, they can also influence food sensory properties, including the flavor, taste, color, texture, and acceptability of food. To increase the applicability of natural preservatives, a number of strategies, including combinations of different preservatives or food preservation methods, such as active packaging systems and encapsulation, have been explored. This review summarizes the current applications of natural preservatives for meat and meat products.
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Affiliation(s)
- Hwan Hee Yu
- Department of Food Science and Biotechnology of Animal Resources, Konkuk University, Seoul 05029, Korea;
- Research Group of Traditional Food, Korea Food Research Institute, Iseo-myeon, Wanju-gun 55365, Korea;
| | - Young-Wook Chin
- Research Group of Traditional Food, Korea Food Research Institute, Iseo-myeon, Wanju-gun 55365, Korea;
| | - Hyun-Dong Paik
- Department of Food Science and Biotechnology of Animal Resources, Konkuk University, Seoul 05029, Korea;
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Kim WJ, Yu HS, Bae WY, Ko KY, Chang KH, Lee NK, Paik HD. Chrysanthemum indicum suppresses adipogenesis by inhibiting mitotic clonal expansion in 3T3-L1 preadipocytes. J Food Biochem 2021; 45:e13896. [PMID: 34368979 DOI: 10.1111/jfbc.13896] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/14/2021] [Revised: 07/26/2021] [Accepted: 07/27/2021] [Indexed: 11/29/2022]
Abstract
Herbs have been of interest to treat diseases, including obesity, owing to their various bioactive constituents that exhibit therapeutic and prophylactic properties. The present study examined the anti-adipogenic effects and mechanisms of Chrysanthemum indicum aqueous extract (CAE) in 3T3-L1 preadipocytes. CAE comprises 1,3-dicaffeoylquinic acid, chlorogenic acid, kaempferol-3-O-glucoside, caffeic acid, and apigenin, which were corresponded with previous reports. CAE inhibited the accumulation of lipid droplets and significantly alleviated the expression of lipogenesis- and adipogenesis-associated biomarkers. Treatment with CAE inhibited the mitotic clonal expansion (MCE), corroborated by cell cycle arrest at the G0 /G1 phase, and mitigated the expression of cell cycle progression-associated proteins and in addition to phosphorylation of MCE-promoting transcription factors. Moreover, CAE downregulated the activation of Akt and extracellular signal-regulated kinase 1/2 signaling pathways. In summary, CAE facilitates adipogenic inhibition during the early phase of differentiation, especially MCE, and its phenolic compounds can contribute to its anti-obesogenic properties. PRACTICAL APPLICATIONS: Chrysanthemum indicum has been mainly used as traditional herbal tea and drinks. Chrysanthemum indicum aqueous extract (CAE) inhibits adipogenesis by suppressing mitotic clonal expansion during the early phase of differentiation in 3T3-L1 preadipocytes. 1,3-Dicaffeoylquinic acid, chlorogenic acid, kaempferol-3-O-glucoside, caffeic acid, and apigenin were detected in CAE. Based on these findings, CAE can be used as nutraceutical agents for prevention and treatment of obesity.
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Affiliation(s)
- Won-Ju Kim
- Department of Food Science and Biotechnology of Animal Resources, Konkuk University, Seoul, Korea
| | - Hyung-Seok Yu
- Department of Food Science and Biotechnology of Animal Resources, Konkuk University, Seoul, Korea
| | - Won-Young Bae
- Department of Food Science and Biotechnology of Animal Resources, Konkuk University, Seoul, Korea
| | - Kyung Yuk Ko
- National Institute of Food and Drug Safety Evaluation, Osong, Korea
| | | | - Na-Kyoung Lee
- Department of Food Science and Biotechnology of Animal Resources, Konkuk University, Seoul, Korea
| | - Hyun-Dong Paik
- Department of Food Science and Biotechnology of Animal Resources, Konkuk University, Seoul, Korea
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Han KJ, Lee NK, Yu HS, Park H, Paik HD. Anti-adipogenic Effects of the Probiotic Lactiplantibacillus plantarum KU15117 on 3T3-L1 Adipocytes. Probiotics Antimicrob Proteins 2021; 14:501-509. [PMID: 34264486 DOI: 10.1007/s12602-021-09818-z] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 07/07/2021] [Indexed: 11/26/2022]
Abstract
In this study, we investigated the probiotic properties and anti-obesity effects of bacterial strains isolated from homemade kimchi. Lactiplantibacillus plantarum KU15117 was isolated using lactobacilli selective medium. L. plantarum KU15117 did not produce β-glucuronidase and showed high tolerance to artificial gastric juice and bile salt, acceptable resistance to antibiotics, and high adhesion ability to HT-29 cells. The anti-adipogenic activity of L. plantarum KU15117 at 109 CFU/well was confirmed by the reduction of oil red O staining and intracellular triglyceride level. Additionally, the expression levels of fatty acid synthase, CCAAT/enhance-binding protein-α, and peroxisome proliferator-activated receptor-γ, which are associated with the early stage of adipocyte differentiation, were significantly lower in the probiotic-treated group than in the control group. These results suggest that L. plantarum KU15117 has probiotic properties and anti-obesity effects and could be used as a prophylactic probiotics.
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Affiliation(s)
- Kyoung Jun Han
- Department of Food Science and Biotechnology of Animal Resource, Konkuk University, Seoul, 05029, Republic of Korea
| | - Na-Kyoung Lee
- Department of Food Science and Biotechnology of Animal Resource, Konkuk University, Seoul, 05029, Republic of Korea
| | - Hyung-Seok Yu
- Department of Food Science and Biotechnology of Animal Resource, Konkuk University, Seoul, 05029, Republic of Korea
| | - Hoon Park
- Department of Food Science, Sun Moon University, Asan, 31460, Republic of Korea
| | - Hyun-Dong Paik
- Department of Food Science and Biotechnology of Animal Resource, Konkuk University, Seoul, 05029, Republic of Korea.
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Lee NK, Paik HD. Prophylactic effects of probiotics on respiratory viruses including COVID-19: a review. Food Sci Biotechnol 2021; 30:773-781. [PMID: 34054314 PMCID: PMC8142068 DOI: 10.1007/s10068-021-00913-z] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/25/2021] [Revised: 04/15/2021] [Accepted: 04/21/2021] [Indexed: 02/06/2023] Open
Abstract
Coronavirus disease 2019 (COVID-19), caused by the severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2), is mainly transmitted through respiratory droplets. The symptoms include dry cough, fever, and fatigue; however, high propagation, mutation, and fatality rates have been reported for SARS-CoV-2. This review investigates the structure of SARS-CoV-2, antiviral mechanisms, preventive strategies, and remedies against it. Effective vaccines have been developed by Pfizer (95% effective), AstraZeneca (90% effective), Moderna (94.5% effective) vaccine, among others. However, herd immunity is also required. Probiotics play a major role in the gut health, and some are known to have therapeutic potential against viral infections. Their modes of antiviral activities include direct interaction with targeted viruses, production of antiviral metabolites, and immunomodulatory effects on the host. Hence, probiotics can be a useful prophylactic against COVID-19, and more studies are required on the effects of probiotics against other viral infections that may occur in future.
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Affiliation(s)
- Na-Kyoung Lee
- Department of Food Science and Biotechnology of Animal Resources, Konkuk University, Seoul, 05029 Republic of Korea
| | - Hyun-Dong Paik
- Department of Food Science and Biotechnology of Animal Resources, Konkuk University, Seoul, 05029 Republic of Korea
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Choi GH, Lee NK, Paik HD. Optimization of Medium Composition for Biomass Production of Lactobacillus plantarum 200655 Using Response Surface Methodology. J Microbiol Biotechnol 2021; 31:717-725. [PMID: 33782221 PMCID: PMC9705877 DOI: 10.4014/jmb.2103.03018] [Citation(s) in RCA: 10] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/10/2021] [Revised: 03/25/2021] [Accepted: 03/25/2021] [Indexed: 12/15/2022]
Abstract
This study aimed to optimize medium composition and culture conditions for enhancing the biomass of Lactobacillus plantarum 200655 using statistical methods. The one-factor-at-a-time (OFAT) method was used to screen the six carbon sources (glucose, sucrose, maltose, fructose, lactose, and galactose) and six nitrogen sources (peptone, tryptone, soytone, yeast extract, beef extract, and malt extract). Based on the OFAT results, six factors were selected for the Plackett- Burman design (PBD) to evaluate whether the variables had significant effects on the biomass. Maltose, yeast extract, and soytone were assessed as critical factors and therefore applied to response surface methodology (RSM). The optimal medium composition by RSM was composed of 31.29 g/l maltose, 30.27 g/l yeast extract, 39.43 g/l soytone, 5 g/l sodium acetate, 2 g/l K2HPO4, 1 g/l Tween 80, 0.1 g/l MgSO4·7H2O, and 0.05 g/l MnSO4·H2O, and the maximum biomass was predicted to be 3.951 g/l. Under the optimized medium, the biomass of L. plantarum 200655 was 3.845 g/l, which was similar to the predicted value and 1.58-fold higher than that of the unoptimized medium (2.429 g/l). Furthermore, the biomass increased to 4.505 g/l under optimized cultivation conditions. For lab-scale bioreactor validation, batch fermentation was conducted with a 5-L bioreactor containing 3.5 L of optimized medium. As a result, the highest yield of biomass (5.866 g/l) was obtained after 18 h of incubation at 30°C, pH 6.5, and 200 rpm. In conclusion, mass production by L. plantarum 200655 could be enhanced to obtain higher yields than that in MRS medium.
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Affiliation(s)
- Ga-Hyun Choi
- Department of Food Science and Biotechnology of Animal Resources, Konkuk University, Seoul 05029, Republic of Korea
| | - Na-Kyoung Lee
- Department of Food Science and Biotechnology of Animal Resources, Konkuk University, Seoul 05029, Republic of Korea
| | - Hyun-Dong Paik
- Department of Food Science and Biotechnology of Animal Resources, Konkuk University, Seoul 05029, Republic of Korea,Corresponding author Phone: +82-2-2049-6011 Fax: +82-2-455-3082 E-mail:
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45
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Kim KJ, Paik HD, Kim JY. Immune-Enhancing Effects of Lactobacillus plantarum 200655 Isolated from Korean Kimchi in a Cyclophosphamide-Induced Immunocompromised Mouse Model. J Microbiol Biotechnol 2021; 31:726-732. [PMID: 33820888 PMCID: PMC9705930 DOI: 10.4014/jmb.2103.03028] [Citation(s) in RCA: 7] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/17/2021] [Revised: 04/01/2021] [Accepted: 04/02/2021] [Indexed: 12/15/2022]
Abstract
In this study, we evaluated the immune-enhancing activity of kimchi-derived Lactobacillus plantarum 200655 on immune suppression by cyclophosphamide (CP) in ICR mice. Animals were fed distilled water or 1×109 colony-forming unit/kg B.W. 200655 or Lactobacillus rhamnosus GG as a positive control for 14 days. An in vivo model of immunosuppression was induced using CP 150 and 100 mg/kg B.W. at 7 and 10 days, respectively. Body weight, spleen index, spleen weight, and gene expression were measured to estimate the immune-enhancing effects. The dead 200655 (D-200655) group showed an increased spleen weight compared to the sham control (SC) group. Similarly, the spleen index was significantly higher than that in the CP-treated group. The live 200655 (L-200655) group showed an increased mRNA expression of tumor necrosis factor-alpha (TNF-α) and interleukin (IL)-6 in splenocytes. Also, the iNOS and COX-2 mRNA expression was upregulated in the L-200655 group compared to the CP-only (SC) group. The phosphorylation of ERK and MAPK was also upmodulated in the L-200655 group. These results indicate that L. plantarum 200655 ameliorated CP-induced immune suppression, suggesting that L. plantarum 200655 may have the potential to enhance the immune system.
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Affiliation(s)
- Kyeong Jin Kim
- Department of Nano Bio engineering, Seoul National University of Science and Technology, Seoul 01811, Republic of Korea
| | - Hyun-Dong Paik
- Department of Food Science and Biotechnology of Animal Resources, Konkuk University, Seoul 05029, Republic of Korea
| | - Ji Yeon Kim
- Department of Nano Bio engineering, Seoul National University of Science and Technology, Seoul 01811, Republic of Korea,Department of Food Science and Technology, Seoul National University of Science and Technology, Seoul 01811, Republic of Korea,Corresponding author Phone: +82-2-970-6740 E-mail:
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Song MW, Kim KT, Paik HD. Probiotics as a Functional Health Supplement in Infant Formulas for the Improvement of Intestinal Microflora and Immunity. Food Reviews International 2021. [DOI: 10.1080/87559129.2021.1928178] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 02/08/2023]
Affiliation(s)
- Myung Wook Song
- Department of Food Science and Biotechnology of Animal Resources, Konkuk University, Seoul, Republic of Korea
| | - Kee-Tae Kim
- Department of Food Science and Biotechnology of Animal Resources, Konkuk University, Seoul, Republic of Korea
| | - Hyun-Dong Paik
- Department of Food Science and Biotechnology of Animal Resources, Konkuk University, Seoul, Republic of Korea
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Kim KT, Yang SJ, Paik HD. Probiotic properties of novel probiotic Levilactobacillus brevis KU15147 isolated from radish kimchi and its antioxidant and immune-enhancing activities. Food Sci Biotechnol 2021; 30:257-265. [PMID: 33732516 DOI: 10.1007/s10068-020-00853-0] [Citation(s) in RCA: 18] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/28/2020] [Revised: 11/03/2020] [Accepted: 11/20/2020] [Indexed: 12/11/2022] Open
Abstract
This study was conducted to evaluate the probiotic properties and antioxidant activities of lactic acid bacteria strains including Levilactobacillus brevis KU15147 isolated from kimchi to determine their potential as a probiotic. The tolerance of all strains to gastric acid and bile salts was more than 90%. The strains did not produce a β-glucuronidase and survived following treatment with gentamicin, kanamycin, streptomycin, and ciprofloxacin. L. brevis KU15147 showed greater adhesion activity to HT-29 cells (6.38%) and its antioxidant activities were higher than those of other tested strains, showing values of 38.56%, 22%, and 23.82% in DPPH, ABTS, and β-carotene bleaching assays, respectively. Additionally, the relative expression intensities of induced nitric oxide synthase and tumor necrosis factor-α of L. brevis KU15147 were greater than those of other strains, suggesting that this strain can be applied in the health food or pharmaceutical industry as a novel probiotic strain.
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Affiliation(s)
- Kee-Tae Kim
- Department of Food Science and Biotechnology of Animal Resources, Konkuk University, Seoul, 05029 Republic of Korea
| | - Seo Jin Yang
- Department of Food Science and Biotechnology of Animal Resources, Konkuk University, Seoul, 05029 Republic of Korea
| | - Hyun-Dong Paik
- Department of Food Science and Biotechnology of Animal Resources, Konkuk University, Seoul, 05029 Republic of Korea
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48
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Lee HS, Song MW, Kim KT, Hong WS, Paik HD. Antioxidant Effect and Sensory Evaluation of Yogurt Supplemented with Hydroponic Ginseng Root Extract. Foods 2021; 10:639. [PMID: 33802997 PMCID: PMC8002633 DOI: 10.3390/foods10030639] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/19/2021] [Revised: 03/09/2021] [Accepted: 03/11/2021] [Indexed: 12/11/2022] Open
Abstract
Hydroponic ginseng (HG) is cultivated using only nutrients and water under constant environmental conditions and is more beneficial than soil-cultured ginseng (SG). This study aimed to determine the physicochemical properties, antioxidant activity, and sensory properties of HG-supplemented yogurt to develop high-value yogurt. HG (0.1%, 0.5%, and 1.0%) was added to yogurt formulations and fermented with a 0.1% starter. Antioxidant activities were determined using the 2,2-diphenyl-1-picryl-hydrazyl (DPPH), 2-azinobis-(3-ethylbenzothiazoline-6-sulfonic acid) diammonium salt, reducing power, and ferric reducing antioxidant power assays. Semi-trained panelists performed a quantitative descriptive analysis for sensory evaluation. The number of starter cells increased more rapidly in ginseng extract-fortified yogurt than in the control group, shortening fermentation time. Regarding antioxidant assays, all HG extract-fortified yogurts showed higher antioxidant activity than the control group. In particular, the HG (0.5%) group showed better results than the SG group in the DPPH and reducing power assays, although the difference was not significant. The sensory scores of color, flavor, texture, taste, and overall acceptance of 0.5% HG-supplemented yogurt did not differ significantly from those of non-supplemented yogurt (control). This suggests that HG can be used in high-value dairy products as a supplement with bioactive properties for health in the food industry.
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Affiliation(s)
- Hyun Sook Lee
- Department of Foodservice Management and Nutrition, Sangmyung University, Seoul 51767, Korea
| | - Myung Wook Song
- Department of Food Science and Biotechnology of Animal Resources, Konkuk University, Seoul 05029, Korea
| | - Kee-Tae Kim
- Department of Food Science and Biotechnology of Animal Resources, Konkuk University, Seoul 05029, Korea
| | - Wan-Soo Hong
- Department of Foodservice Management and Nutrition, Sangmyung University, Seoul 51767, Korea
| | - Hyun-Dong Paik
- Department of Food Science and Biotechnology of Animal Resources, Konkuk University, Seoul 05029, Korea
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Lee NK, Lim SM, Cheon MJ, Paik HD. Physicochemical Analysis of Yogurt Produced by Leuconostoc mesenteroides H40 and Its Effects on Oxidative Stress in Neuronal Cells. Food Sci Anim Resour 2021; 41:261-273. [PMID: 33987547 PMCID: PMC8115002 DOI: 10.5851/kosfa.2020.e97] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/22/2020] [Revised: 11/16/2020] [Accepted: 11/26/2020] [Indexed: 12/11/2022] Open
Abstract
Leuconostoc mesenteroides H40 (H40) was isolated from kimchi,
and its probiotic properties and neuroprotective effect was evaluated in
oxidatively stressed SH-SY5Y cells. H40 was stable in artificial gastric
conditions and can be attached in HT-29 cells. In addition, H40 did not produce
β-glucuronidase and showed resistant to several antibiotics. The
conditioned medium (CM) was made using HT-29 cells refined with heat-killed
probiotics (Probiotics-CM) and heated yogurts (Y-CM) to investigate the
neuroprotective effect. Treatment with H40-CM not only increased cell viability
but also significantly improved brain derived neurotropic factor
(BDNF) expression and reduced the
Bax/Bcl-2 ratio in oxidatively stress-induced SH-SY5Y
cells. Besides, probiotic Y-CM significantly increased BDNF
mRNA expression and decreased Bax/Bcl-2 ratio. The
physicochemical properties of probiotic yogurt with H40 was not significantly
different from the control yogurt. The viable cell counts of lactic acid
bacteria in control and probiotic yogurt with H40 was 8.66 Log CFU/mL and 8.96
Log CFU/mL, respectively. Therefore, these results indicate that H40 can be used
as prophylactic functional dairy food having neuroprotective effects.
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Affiliation(s)
- Na-Kyoung Lee
- Department of Food Science and Biotechnology of Animal Resources, Konkuk University, Seoul 05029, Korea
| | - Sung-Min Lim
- Department of Food Science and Biotechnology of Animal Resources, Konkuk University, Seoul 05029, Korea
| | - Min-Jeong Cheon
- Department of Food Science and Biotechnology of Animal Resources, Konkuk University, Seoul 05029, Korea
| | - Hyun-Dong Paik
- Department of Food Science and Biotechnology of Animal Resources, Konkuk University, Seoul 05029, Korea
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Lee JE, Lee NK, Paik HD. Antimicrobial and anti-biofilm effects of probiotic Lactobacillus plantarum KU200656 isolated from kimchi. Food Sci Biotechnol 2021; 30:97-106. [PMID: 33552621 DOI: 10.1007/s10068-020-00837-0] [Citation(s) in RCA: 19] [Impact Index Per Article: 6.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/06/2020] [Revised: 09/14/2020] [Accepted: 10/12/2020] [Indexed: 12/22/2022] Open
Abstract
The probiotic properties and anti-pathogenic effects of Lactobacillus plantarum KU200656 (KU200656) isolated from Korean fermented kimchi against Staphylococcus aureus, Listeria monocytogenes, Escherichia coli, and Salmonella Typhimurium were investigated. KU200656 showed high tolerance to artificial gastric acid (99.48%) and bile salts (102.40%) and this strain was safe according to antibiotic sensitivity test; it could not produce harmful enzymes, including β-glucuronidase. KU200656 exhibited high adhesion (4.45%) to intestinal cells, HT-29 cells, with high cell surface hydrophobicity (87.31% for xylene and 81.11% for toluene). Moreover, KU200656 co-aggregated with pathogenic bacteria and exhibited antibacterial activity and anti-adhesion properties against pathogens. The cell-free supernatant (CFS) of KU200656 inhibited biofilm formation by pathogenic bacteria. In addition, half of the minimum inhibitory concentration of the KU200656 CFS downregulated the expression of biofilm-related genes, as determined by quantitative real-time PCR. Therefore, KU200656 was demonstrated to possess anti-pathogenic effects and have potential for use as probiotics in the food industry.
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Affiliation(s)
- Ji-Eun Lee
- Department of Food Science and Biotechnology of Animal Resources, Konkuk University, Seoul, 05029 Republic of Korea
| | - Na-Kyoung Lee
- Department of Food Science and Biotechnology of Animal Resources, Konkuk University, Seoul, 05029 Republic of Korea
| | - Hyun-Dong Paik
- Department of Food Science and Biotechnology of Animal Resources, Konkuk University, Seoul, 05029 Republic of Korea
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