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Yun YR, Choi YJ, Kim YS, Chon SY, Lee MA, Chung YB, Park SH, Min SG, Yang HC, Seo HY. Antioxidant and anti-inflammatory effects of solar salt brined kimchi. Food Sci Biotechnol 2023; 32:679-687. [PMID: 37009041 PMCID: PMC10050609 DOI: 10.1007/s10068-022-01203-y] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/26/2022] [Revised: 10/20/2022] [Accepted: 10/31/2022] [Indexed: 11/26/2022] Open
Abstract
Salt is an essential ingredient in the kimchi fermentation process. Solar salt has antioxidant, anti-cancer, and anti-obesity properties. The aim of this study was to determine the antioxidant and anti-inflammatory effects of solar salt brined kimchi. Purified salt (PS), dehydrated solar salt (DSS), 1-year aged solar salt (SS1), and 3-years aged solar salt (SS3) were investigated. Anti-inflammatory effects were determined by analyzing cytotoxicity, nitric oxide (NO) production, and inflammation-related gene expression in lipopolysaccharide-treated RAW264.7 cells. Antioxidant activities of DSS, SS1, and SS3 were higher than that of PS. Solar salt significantly inhibited NO production with low cytotoxicity and decreased inflammation-related gene expression. Kimchi containing solar salt (DSSK, SS1K, and SS3K) showed higher antioxidant activity than PSK. Additionally, DSSK, SS1K, and SS3K significantly inhibited NO production and decreased the expression of inflammation-related genes. Owing to the antioxidant and anti-inflammatory effects, using solar salt in kimchi preparation could have potential health benefits.
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Affiliation(s)
- Ye-Rang Yun
- World Institute of Kimchi, Nam-Gu, Gwangju, 61755 Republic of Korea
| | - Yun-Jeong Choi
- World Institute of Kimchi, Nam-Gu, Gwangju, 61755 Republic of Korea
| | - Ye-Sol Kim
- World Institute of Kimchi, Nam-Gu, Gwangju, 61755 Republic of Korea
| | - Seo-Young Chon
- World Institute of Kimchi, Nam-Gu, Gwangju, 61755 Republic of Korea
| | - Mi-Ai Lee
- World Institute of Kimchi, Nam-Gu, Gwangju, 61755 Republic of Korea
| | - Young Bae Chung
- World Institute of Kimchi, Nam-Gu, Gwangju, 61755 Republic of Korea
| | - Sung-Hee Park
- World Institute of Kimchi, Nam-Gu, Gwangju, 61755 Republic of Korea
| | - Sung-Gi Min
- World Institute of Kimchi, Nam-Gu, Gwangju, 61755 Republic of Korea
| | - Ho-Chul Yang
- Food & Drug Analysis Division, Jeollanam-Do Institute of Health and Environment, Nong-seong-dong, Seo-gu, Gwangju, 502810 Republic of Korea
| | - Hye-Young Seo
- World Institute of Kimchi, Nam-Gu, Gwangju, 61755 Republic of Korea
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Paul AK, Lim CL, Apu MAI, Dolma KG, Gupta M, de Lourdes Pereira M, Wilairatana P, Rahmatullah M, Wiart C, Nissapatorn V. Are Fermented Foods Effective against Inflammatory Diseases? INTERNATIONAL JOURNAL OF ENVIRONMENTAL RESEARCH AND PUBLIC HEALTH 2023; 20:2481. [PMID: 36767847 PMCID: PMC9915096 DOI: 10.3390/ijerph20032481] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 10/23/2022] [Revised: 01/21/2023] [Accepted: 01/29/2023] [Indexed: 06/18/2023]
Abstract
Fermented foods have been used over the centuries in various parts of the world. These foods are rich in nutrients and are produced naturally using various biological tools like bacteria and fungi. Fermentation of edible foods has been rooted in ancient cultures to keep food for preservation and storage for a long period of time with desired or enhanced nutritional values. Inflammatory diseases like rheumatoid arthritis, osteoarthritis, and chronic inflammatory pain are chronic disorders that are difficult to treat, and current treatments for these disorders fail due to various adverse effects of prescribed medications over a long period of time. Fermented foods containing probiotic bacteria and fungi can enhance the immune system, improve gastrointestinal health, and lower the risk of developing various inflammatory diseases. Foods prepared from vegetables by fermentation, like kimchi, sauerkraut, soy-based foods, or turmeric, lack proper clinical and translational experimental studies. The current review has focused on the effectiveness of various fermented foods or drinks used over centuries against inflammation, arthritis, and oxidative stress. We also described potential limitations on the efficacies or usages of these fermented products to provide an overarching picture of the research field.
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Affiliation(s)
- Alok K. Paul
- School of Pharmacy and Pharmacology, University of Tasmania, Hobart, TAS 7001, Australia
| | - Chooi Ling Lim
- Division of Applied Biomedical Science and Biotechnology, School of Health Sciences, International Medical University, Kuala Lumpur 57000, Malaysia
| | - Md. Aminul Islam Apu
- Department of Nutrition and Hospitality Management, The University of Mississippi, Oxford, MS 38677, USA
| | - Karma G. Dolma
- Department of Microbiology, Sikkim Manipal Institute of Medical Sciences, Sikkim Manipal University, Gangtok 737102, India
| | - Madhu Gupta
- Department of Pharmaceutics, School of Pharmaceutical Sciences, Delhi Pharmaceutical Sciences and Re-search University, New Delhi 110017, India
| | - Maria de Lourdes Pereira
- CICECO-Aveiro Institute of Materials & Department of Medical Sciences, University of Aveiro, 3810-193 Aveiro, Portugal
| | - Polrat Wilairatana
- Department of Clinical Tropical Medicine, Faculty of Tropical Medicine, Mahidol University, Bangkok 10400, Thailand
| | - Mohammed Rahmatullah
- Department of Biotechnology & Genetic Engineering, University of Development Alternative, Lalmatia, Dhaka 1207, Bangladesh
| | - Christophe Wiart
- Department of Biomedical Sciences, Faculty of Medicine and Health Sciences, University Malaysia Sabah, Kota Kinabalu 88400, Malaysia
| | - Veeranoot Nissapatorn
- School of Allied Health Sciences, World Union for Herbal Drug Discovery (WUHeDD), and Research Excellence Center for Innovation and Health Products (RECIHP), Walailak University, Nakhon Si Thammarat 80160, Thailand
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Christa P, Dunkel A, Krauss A, Stark TD, Dawid C, Hofmann T. Discovery and Identification of Tastants and Taste-Modulating N-Acyl Amino Acid Derivatives in Traditional Korean Fermented Dish Kimchi Using a Sensomics Approach. JOURNAL OF AGRICULTURAL AND FOOD CHEMISTRY 2022; 70:7500-7514. [PMID: 35674110 DOI: 10.1021/acs.jafc.2c02623] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/15/2023]
Abstract
Sensory-guided fractionation by means of ultrafiltration and gel permeation chromatography followed by high-performance liquid chromatography, synthesis, liquid chromatography-tandem mass spectrometry (LC-MS/MS) quantitation, and taste re-engineering experiments revealed taste-active and taste-enhancing compounds contributing to the umami, mouthful and complex taste profile of the fermented Korean dish, kimchi. Besides basic taste-active compounds, in particular, various N-acylated amino acids deriving from succinic acid and lactic acid imparted taste-modulating properties in food matrices. Taste threshold concentrations were determined to evaluate intrinsic and modulating effects. Quantitation of N-acylated amino acids in kimchi following synthesis revealed the presence of numerous derivatives showing taste-active properties. Sensory evaluation including recombination and partial addition experiments highlighted that both the N-lactoyl- and the N-succinoyl amino acid derivatives contribute to increasing the fullness, volume, and complexity of food matrices, whereas the latter directly contributes to the overall taste of kimchi in natural concentrations.
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Affiliation(s)
- Peter Christa
- Chair of Food Chemistry and Molecular Sensory Science, Technical University of Munich, Lise-Meitner-Straße 34, 85354 Freising, Germany
| | - Andreas Dunkel
- Leibniz-Institute for Food Systems Biology at the Technical University of Munich, Lise-Meitner-Straße 34, 85354 Freising, Germany
| | - Alin Krauss
- Chair of Food Chemistry and Molecular Sensory Science, Technical University of Munich, Lise-Meitner-Straße 34, 85354 Freising, Germany
| | - Timo D Stark
- Chair of Food Chemistry and Molecular Sensory Science, Technical University of Munich, Lise-Meitner-Straße 34, 85354 Freising, Germany
| | - Corinna Dawid
- Chair of Food Chemistry and Molecular Sensory Science, Technical University of Munich, Lise-Meitner-Straße 34, 85354 Freising, Germany
| | - Thomas Hofmann
- Chair of Food Chemistry and Molecular Sensory Science, Technical University of Munich, Lise-Meitner-Straße 34, 85354 Freising, Germany
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4
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Metaproteomics insights into fermented fish and vegetable products and associated microbes. FOOD CHEMISTRY. MOLECULAR SCIENCES 2021; 3:100045. [PMID: 35415649 PMCID: PMC8991600 DOI: 10.1016/j.fochms.2021.100045] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 08/05/2021] [Revised: 10/11/2021] [Accepted: 10/15/2021] [Indexed: 12/13/2022]
Abstract
Increasing global population means higher demand for healthy food. Fish and vegetables are healthy foods, but overproduction leads to spoilage. Fermentation of fish/vegetables elongate their shelf lives, improved flavour and functions. Microbes associated with Fish/vegetable fermentation produce health conferring peptides. There is little review on peptides elicited during fish/vegetable fermentations.
The interest in proteomic studies of fermented food is increasing; the role of proteins derived from fermentation extends beyond preservation, they also improve the organoleptic, anti-pathogenic, anti-cancer, anti-obesogenic properties, and other health conferring properties of fermented food. Traditional fermentation processes are still in use in certain cultures, but recently, the controlled process is gaining wider acceptance due to consistency and predictability. Scientists use modern biotechnological approaches to evaluate reactions and component yields from fermentation processes. Pieces of literature on fermented fish and vegetable end-products are scanty (compared to milk and meat), even though fish and vegetables are considered health conferring diets with high nutritional contents. Evaluations of peptides from fermented fish and vegetables show they have anti-obesity, anti-oxidative, anti-inflammatory, anti-pathogenic, anti-anti-nutrient, improves digestibility, taste, nutrient content, texture, aroma properties, etc. Despite challenges impeding the wider applications of the metaproteomic analysis of fermented fish and vegetables, their potential benefits cannot be underestimated.
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Shahbazi R, Sharifzad F, Bagheri R, Alsadi N, Yasavoli-Sharahi H, Matar C. Anti-Inflammatory and Immunomodulatory Properties of Fermented Plant Foods. Nutrients 2021; 13:1516. [PMID: 33946303 PMCID: PMC8147091 DOI: 10.3390/nu13051516] [Citation(s) in RCA: 54] [Impact Index Per Article: 18.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/08/2021] [Revised: 04/28/2021] [Accepted: 04/29/2021] [Indexed: 12/11/2022] Open
Abstract
Fermented plant foods are gaining wide interest worldwide as healthy foods due to their unique sensory features and their health-promoting potentials, such as antiobesity, antidiabetic, antihypertensive, and anticarcinogenic activities. Many fermented foods are a rich source of nutrients, phytochemicals, bioactive compounds, and probiotic microbes. The excellent biological activities of these functional foods, such as anti-inflammatory and immunomodulatory functions, are widely attributable to their high antioxidant content and lactic acid-producing bacteria (LAB). LAB contribute to the maintenance of a healthy gut microbiota composition and improvement of local and systemic immunity. Besides, antioxidant compounds are involved in several functional properties of fermented plant products by neutralizing free radicals, regulating antioxidant enzyme activities, reducing oxidative stress, ameliorating inflammatory responses, and enhancing immune system performance. Therefore, these products may protect against chronic inflammatory diseases, which are known as the leading cause of mortality worldwide. Given that a large body of evidence supports the role of fermented plant foods in health promotion and disease prevention, we aim to discuss the potential anti-inflammatory and immunomodulatory properties of selected fermented plant foods, including berries, cabbage, and soybean products, and their effects on gut microbiota.
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Affiliation(s)
- Roghayeh Shahbazi
- Cellular and Molecular Medicine Department, Faculty of Medicine, University of Ottawa, Ottawa, ON K1H 8M5, Canada; (R.S.); (F.S.); (N.A.); (H.Y.-S.)
| | - Farzaneh Sharifzad
- Cellular and Molecular Medicine Department, Faculty of Medicine, University of Ottawa, Ottawa, ON K1H 8M5, Canada; (R.S.); (F.S.); (N.A.); (H.Y.-S.)
| | - Rana Bagheri
- College of Liberal Art and Sciences, Portland State University, Portland, OR 97201, USA;
| | - Nawal Alsadi
- Cellular and Molecular Medicine Department, Faculty of Medicine, University of Ottawa, Ottawa, ON K1H 8M5, Canada; (R.S.); (F.S.); (N.A.); (H.Y.-S.)
| | - Hamed Yasavoli-Sharahi
- Cellular and Molecular Medicine Department, Faculty of Medicine, University of Ottawa, Ottawa, ON K1H 8M5, Canada; (R.S.); (F.S.); (N.A.); (H.Y.-S.)
| | - Chantal Matar
- Cellular and Molecular Medicine Department, Faculty of Medicine, University of Ottawa, Ottawa, ON K1H 8M5, Canada; (R.S.); (F.S.); (N.A.); (H.Y.-S.)
- School of Nutrition, Faculty of Health Sciences, University of Ottawa, Ottawa, ON K1H 8M5, Canada
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6
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Neuroinflammation in CNS diseases: Molecular mechanisms and the therapeutic potential of plant derived bioactive molecules. PHARMANUTRITION 2020. [DOI: 10.1016/j.phanu.2020.100176] [Citation(s) in RCA: 16] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/07/2023]
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7
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Lavefve L, Marasini D, Carbonero F. Microbial Ecology of Fermented Vegetables and Non-Alcoholic Drinks and Current Knowledge on Their Impact on Human Health. ADVANCES IN FOOD AND NUTRITION RESEARCH 2018; 87:147-185. [PMID: 30678814 DOI: 10.1016/bs.afnr.2018.09.001] [Citation(s) in RCA: 29] [Impact Index Per Article: 4.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/09/2023]
Abstract
Fermented foods are currently experiencing a re-discovery, largely driven by numerous health benefits claims. While fermented dairy, beer, and wine (and other alcoholic fermented beverages) have been the subject of intensive research, other plant-based fermented foods that are in some case widely consumed (kimchi/sauerkraut, pickles, kombucha) have received less scientific attention. In this chapter, the current knowledge on the microbiology and potential health benefits of such plant-based fermented foods are presented. Kimchi is the most studied, characterized by primarily acidic fermentation by lactic acid bacteria. Anti-obesity and anti-hypertension properties have been reported for kimchi and other pickled vegetables. Kombucha is the most popular non-alcoholic fermented drink. Kombucha's microbiology is remarkable as it involves all fermenters described in known fermented foods: lactic acid bacteria, acetic acid bacteria, fungi, and yeasts. While kombucha is often hyped as a "super-food," only antioxidant and antimicrobial properties toward foodborne pathogens are well established; and it is unknown if these properties incur beneficial impact, even in vitro or in animal models. The mode of action that has been studied and demonstrated the most is the probiotic one. However, it can be expected that fermentation metabolites may be prebiotic, or influence host health directly. To conclude, plant-based fermented foods and drinks are usually safe products; few negative reports can be found, but more research, especially human dietary intervention studies, are warranted to substantiate any health claim.
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Affiliation(s)
- Laura Lavefve
- Department of Food Science and Center for Human Nutrition, University of Arkansas, Fayetteville, AR, United States; Direction des Etudes Et Prestations (DEEP), Institut Polytechnique UniLaSalle, Beauvais, France
| | - Daya Marasini
- Department of Food Science and Center for Human Nutrition, University of Arkansas, Fayetteville, AR, United States
| | - Franck Carbonero
- Department of Food Science and Center for Human Nutrition, University of Arkansas, Fayetteville, AR, United States.
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8
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Xiang B, Xiao C, Shen T, Li X. Anti-inflammatory effects of anisalcohol on lipopolysaccharide-stimulated BV2 microglia via selective modulation of microglia polarization and down-regulation of NF-κB p65 and JNK activation. Mol Immunol 2018; 95:39-46. [DOI: 10.1016/j.molimm.2018.01.011] [Citation(s) in RCA: 55] [Impact Index Per Article: 9.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/10/2017] [Revised: 01/18/2018] [Accepted: 01/22/2018] [Indexed: 01/05/2023]
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Kim S, Woo M, Kim M, Noh JS, Song YO. Neuroprotective Effects of the Methanol Extract of Kimchi, a Korean Fermented Vegetable Food, Mediated Via Suppression of Endoplasmic Reticulum Stress and Caspase Cascade Pathways in High-Cholesterol Diet-Fed Mice. J Med Food 2018; 21:489-495. [PMID: 29474123 DOI: 10.1089/jmf.2017.4103] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/29/2022] Open
Abstract
Endoplasmic reticulum (ER) stress-related unfolded peptide accumulation is closely associated with the development of neurodegenerative diseases known as protein misfolding disorders. The antioxidative properties of kimchi, a traditional Korean fermented vegetable dish, have been well established. In this study, the neuroprotective effects of the kimchi methanol extract (KME) were examined in high-cholesterol diet (HCD)-fed mice. The animals were fed a HCD, with oral administration of either KME (KME group, 200 mg·kg bw-1·day-1, n = 10) or distilled water (Control group, n = 10) for 8 weeks. Compared with the levels in the control group, the reactive oxygen species, peroxynitrite, and lipid peroxidation levels in the brain were significantly decreased in the KME group (P < .05), whereas the glutathione level was increased (P < .05). In addition, the ER stress biomarkers, phospho-eukaryotic initiation factor 2 subunit α, glucose-regulated protein 78, X-box binding protein 1, inositol-requiring enzyme 1, and C/EBP homologous protein and the nuclear factor-kappaB-mediated inflammation were significantly reduced in the KME group (P < .05). In contrast, the expression levels of antioxidative enzymes regulated by nuclear factor erythroid 2-related factor-2 were elevated (P < .05). The amyloid-beta expression levels of the KME group were lower than that of the control group (P < .05). Moreover, the expression levels of Bcl-2-associated X, and caspases-3 and -9 were downregulated, with a concomitant upregulation of B cell lymphoma 2 (P < .05). Accordingly, KME provide neuronal cell protection via suppressing ER stress and caspase cascade signaling.
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Affiliation(s)
- Serim Kim
- 1 Department of Food Science and Nutrition and Kimchi Research Institute, Pusan National University , Busan, Korea
| | - Minji Woo
- 1 Department of Food Science and Nutrition and Kimchi Research Institute, Pusan National University , Busan, Korea
| | - Mijeong Kim
- 1 Department of Food Science and Nutrition and Kimchi Research Institute, Pusan National University , Busan, Korea
| | - Jeong Sook Noh
- 2 Department of Food Science and Nutrition, Tongmyong University , Busan, Korea
| | - Yeong Ok Song
- 1 Department of Food Science and Nutrition and Kimchi Research Institute, Pusan National University , Busan, Korea
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Kim B, Mun EG, Kim D, Kim Y, Park Y, Lee HJ, Cha YS. A survey of research papers on the health benefits of kimchi and kimchi lactic acid bacteria. ACTA ACUST UNITED AC 2018. [DOI: 10.4163/jnh.2018.51.1.1] [Citation(s) in RCA: 13] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/20/2022]
Affiliation(s)
- Bohkyung Kim
- Department of Food Science and Human Nutrition, Chonbuk National University, Jeonju, Jeonbuk 54896, Republic of Korea
| | - Eun-Gyung Mun
- Department of Food Science and Human Nutrition, Chonbuk National University, Jeonju, Jeonbuk 54896, Republic of Korea
| | - Doyeon Kim
- Department of Food and Nutrition, Hanyang University, Seoul 04762, Korea
| | - Young Kim
- National Institute of Agricultural Sciences, Rural Development Administration, Wanju-gun, Jeonbuk 55365, Korea
| | - Yongsoon Park
- Department of Food and Nutrition, Hanyang University, Seoul 04762, Korea
| | - Hae-Jeung Lee
- Department of Food and Nutrition, Gachon University, Seongnam, Gyeonggi 13120, Korea
| | - Youn-Soo Cha
- Department of Food Science and Human Nutrition, Chonbuk National University, Jeonju, Jeonbuk 54896, Republic of Korea
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Kim HJ, Noh JS, Song YO. Beneficial Effects of Kimchi, a Korean Fermented Vegetable Food, on Pathophysiological Factors Related to Atherosclerosis. J Med Food 2017; 21:127-135. [PMID: 29271694 DOI: 10.1089/jmf.2017.3946] [Citation(s) in RCA: 12] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/01/2023] Open
Abstract
Atherosclerosis is a progressive disease that is characterized by accumulation of lipids and fibrous elements in large arteries. Its etiology is involved with pathophysiological factors such as lipoprotein oxidation, inflammation, and dyslipidemia. Kimchi is a Korean fermented vegetable side dish made with vegetables and kimchi condiments. To date, numerous in vitro, in vivo, and human studies have cited the health benefits of kimchi. 3-(4'-Hydroxyl-3',5'-dimethoxyphenyl)propionic acid is one of the active compounds of kimchi, and its antioxidant and anti-atherosclerosclerotic effects have been reported. This review presents the laboratory and clinical evidence of the anti-atherosclerotic effects of kimchi based on its lipid-lowering, antioxidant, and anti-inflammatory activities.
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Affiliation(s)
- Hyun Ju Kim
- 1 Industrial Technology Research Group, Research and Development Division, World Institute of Kimchi , Gwangju, Korea
| | - Jeong Sook Noh
- 2 Department of Food Science and Nutrition, Tongmyong University , Busan, Korea
| | - Yeong Ok Song
- 3 Department of Food Science and Nutrition, Kimchi Research Institute, Pusan National University , Busan, Korea
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Woo M, Kim M, Noh JS, Park CH, Song YO. Preventative activity of kimchi on high cholesterol diet-induced hepatic damage through regulation of lipid metabolism in LDL receptor knockout mice. Food Sci Biotechnol 2017; 27:211-218. [PMID: 30263742 DOI: 10.1007/s10068-017-0202-3] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/04/2017] [Revised: 08/14/2017] [Accepted: 08/30/2017] [Indexed: 12/24/2022] Open
Abstract
This study investigated the effect of kimchi on hepatic lipid metabolism and inflammatory response. Low-density lipoprotein receptor knockout mice fed high cholesterol diet (HCD) with an oral administration of kimchi methanol extracts (KME, 200 mg kg bw-1 day-1) or distilled water for 8 weeks (n = 10 per group). Compared with the control group, plasma and hepatic lipid concentrations were lower in the kimchi group (p < 0.05), which was confirmed with hepatic histological examination by Oil Red O staining. Hepatic expressions for fatty acid synthesis were downregulated whereas those for beta-oxidation were upregulated in the kimchi group (p < 0.05). Hepatic expressions for cholesterol synthesis were decreased but those for cholesterol export was increased in the kimchi group (p < 0.05). Moreover, kimchi intake reduced expression for inflammatory cytokines (p < 0.05). Kimchi exerted beneficial effects on HCD-induced hepatic damage by suppressing lipid synthesis and inflammation, and facilitating fatty acid oxidation and cholesterol excretion.
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Affiliation(s)
- Minji Woo
- 1Department of Food Science and Nutrition and Kimchi Research Institute, Pusan National University, 2, Busandaehak-ro 63beon-gil, Geumjeong-gu, Busan, 46241 Republic of Korea
| | - Mijeong Kim
- 1Department of Food Science and Nutrition and Kimchi Research Institute, Pusan National University, 2, Busandaehak-ro 63beon-gil, Geumjeong-gu, Busan, 46241 Republic of Korea
| | - Jeong Sook Noh
- 2Department of Food Science and Nutrition, Tongmyong University, Busan, 48520 Republic of Korea
| | - Chan Hum Park
- 3Department of Medicinal Crop Research, National Institute of Horticultural and Herbal Science, Rural Development Administration, Eumseong, 55365 Republic of Korea
| | - Yeong Ok Song
- 1Department of Food Science and Nutrition and Kimchi Research Institute, Pusan National University, 2, Busandaehak-ro 63beon-gil, Geumjeong-gu, Busan, 46241 Republic of Korea
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13
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Woo M, Kim M, Noh JS, Park CH, Song YO. Kimchi attenuates fatty streak formation in the aorta of low-density lipoprotein receptor knockout mice via inhibition of endoplasmic reticulum stress and apoptosis. Nutr Res Pract 2017; 11:445-451. [PMID: 29209454 PMCID: PMC5712494 DOI: 10.4162/nrp.2017.11.6.445] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/10/2017] [Revised: 08/22/2017] [Accepted: 08/31/2017] [Indexed: 11/26/2022] Open
Abstract
BACKGROUND/OBJECTIVES Endoplasmic reticulum (ER) stress is positively associated with atherosclerosis via elevating macrophage cell death and plaque formation, in which oxidative stress plays a pivotal role. Antioxidative, lipid-lowering, and anti-atherogenic effects of kimchi, a Korean fermented vegetable, have been established, wherein capsaicin, ascorbic acid, quercetin, 3-(4'-hydroxyl-3',5'-dimethoxyphenyl)propionic acid, and lactic acids were identified. In this study, mechanisms of action of kimchi methanol extracts (KME) on fatty streak formation via suppression of ER stress and apoptosis in aorta were examined in low-density lipoprotein receptor knockout mice. MATERIALS AND METHODS Mice fed a high cholesterol diet with an oral administration of KME (KME group, 200 mg·kg-bw−1·day−1) or distilled water (control group) for 8 weeks (n = 20 for group). Plasma lipid and oxidative stress levels were evaluated. Protein expression was measured by western blot assay. Fatty streak lesion size and the degree of apoptosis were examined in the aorta. RESULTS Compared to the control group, in the KME group, plasma lipids levels were decreased and oxidative stress was alleviated (P < 0.05). Protein expression levels of nuclear factor (erythroid-derived 2)-like 2-mediated antioxidants in aorta were increased whereas those for ER stress markers, glucose regulated protein 78, phospho-protein kinase RNA-like ER kinase, phospho-eukaryotic initiation factor 2 subunit α, X-box binding protein 1, and C/EBP homologous protein were decreased in the KME group (P < 0.05). Moreover, apoptosis was suppressed via downregulation of phospho-c-Jun N-terminal kinase, bcl-2-associated X protein, caspases-9, and -3 with a concomitant upregulation of anti-apoptotic protein, B-cell lymphoma 2 (P < 0.05). Fatty streak lesion size was reduced and the degree of apoptosis was less severe in the KME group (P < 0.05). CONCLUSIONS In conclusion, antioxidant activity of KME might prevent fatty streak formation through, in part, inhibition of ER stress and apoptosis in aortic sinus where macrophages are harbored.
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Affiliation(s)
- Minji Woo
- Department of Food Science and Nutrition, Kimchi Research Institute, Pusan National University, 2, Busandaehak-ro 63 beon-gil, Geumjeong-gu, Busan 46241, Korea
| | - Mijeong Kim
- Department of Food Science and Nutrition, Kimchi Research Institute, Pusan National University, 2, Busandaehak-ro 63 beon-gil, Geumjeong-gu, Busan 46241, Korea
| | - Jeong Sook Noh
- Department of Food Science and Nutrition, Tongmyong University, Busan 48520, Korea
| | - Chan Hum Park
- Department of Medicinal Crop Research, National Institute of Horticultural and Herbal Science, Rural Development Administration, Eumseong 55365, Korea
| | - Yeong Ok Song
- Department of Food Science and Nutrition, Kimchi Research Institute, Pusan National University, 2, Busandaehak-ro 63 beon-gil, Geumjeong-gu, Busan 46241, Korea
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Chan CK, Tan LTH, Andy SN, Kamarudin MNA, Goh BH, Kadir HA. Anti-neuroinflammatory Activity of Elephantopus scaber L. via Activation of Nrf2/HO-1 Signaling and Inhibition of p38 MAPK Pathway in LPS-Induced Microglia BV-2 Cells. Front Pharmacol 2017; 8:397. [PMID: 28680404 PMCID: PMC5478732 DOI: 10.3389/fphar.2017.00397] [Citation(s) in RCA: 31] [Impact Index Per Article: 4.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/04/2017] [Accepted: 06/06/2017] [Indexed: 12/14/2022] Open
Abstract
Elephantopus scaber L. (family: Asteraceae) has been traditionally utilized as a folkloric medicine and scientifically shown to exhibit anti-inflammatory activities in various in vivo inflammatory models. Given the lack of study on the effect of E. scaber in neuroinflammation, this study aimed to investigate the anti-neuroinflammatory effect and the underlying mechanisms of ethyl acetate fraction from the leaves of E. scaber (ESEAF) on the release of pro-inflammatory mediators in lipopolysaccharide (LPS)-induced microglia cells (BV-2). Present findings showed that ESEAF markedly attenuated the translocation of NF-κB to nucleus concomitantly with the significant mitigation on the LPS-induced production of NO, iNOS, COX-2, PGE2, IL-1β, and TNF-α. These inflammatory responses were reduced via the inhibition of p38. Besides, ESEAF was shown to possess antioxidant activities evident by the DPPH and SOD scavenging activities. The intracellular catalase enzyme activity was enhanced by ESEAF in the LPS-stimulated BV-2 cells. Furthermore, the formation of ROS induced by LPS in BV-2 cells was reduced upon the exposure to ESEAF. Intriguingly, the reduction of ROS was found in concerted with the activation of Nrf2 and HO-1. It is conceivable that the activation promotes the scavenging power of antioxidant enzymes as well as to ameliorate the inflammatory response in LPS-stimulated BV-2 cells. Finally, the safety profile analysis through oral administration of ESEAF at 2000 mg/kg did not result in any mortalities, adverse effects nor histopathologic abnormalities of organs in mice. Taken altogether, the cumulative findings suggested that ESEAF holds the potential to develop as nutraceutical for the intervention of neuroinflammatory disorders.
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Affiliation(s)
- Chim-Kei Chan
- Biomolecular Research Group, Biochemistry Program, Institute of Biological Sciences, Faculty of Science, University of MalayaKuala Lumpur, Malaysia
| | - Loh Teng-Hern Tan
- Novel Bacteria and Drug Discovery Research Group, School of Pharmacy, Monash University MalaysiaSubang Jaya, Malaysia
| | - Shathiswaran N Andy
- Biomolecular Research Group, Biochemistry Program, Institute of Biological Sciences, Faculty of Science, University of MalayaKuala Lumpur, Malaysia
| | - Muhamad Noor Alfarizal Kamarudin
- Biomolecular Research Group, Biochemistry Program, Institute of Biological Sciences, Faculty of Science, University of MalayaKuala Lumpur, Malaysia
| | - Bey-Hing Goh
- Novel Bacteria and Drug Discovery Research Group, School of Pharmacy, Monash University MalaysiaSubang Jaya, Malaysia.,Center of Health Outcomes Research and Therapeutic Safety (Cohorts), School of Pharmaceutical Sciences, University of PhayaoPhayao, Thailand
| | - Habsah Abdul Kadir
- Biomolecular Research Group, Biochemistry Program, Institute of Biological Sciences, Faculty of Science, University of MalayaKuala Lumpur, Malaysia
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15
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Woo M, Kim M, Noh JS, Song YO. Kimchi methanol extracts attenuate hepatic steatosis induced by high cholesterol diet in low-density lipoprotein receptor knockout mice through inhibition of endoplasmic reticulum stress. J Funct Foods 2017. [DOI: 10.1016/j.jff.2017.02.032] [Citation(s) in RCA: 12] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/17/2022] Open
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16
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Kim DW, Kim BM, Lee HJ, Jang GJ, Song SH, Lee JI, Lee SB, Shim JM, Lee KW, Kim JH, Ham KS, Chen F, Kim HJ. Effects of Different Salt Treatments on the Fermentation Metabolites and Bacterial Profiles of Kimchi. J Food Sci 2017; 82:1124-1131. [DOI: 10.1111/1750-3841.13713] [Citation(s) in RCA: 24] [Impact Index Per Article: 3.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/08/2016] [Revised: 03/08/2017] [Accepted: 03/18/2017] [Indexed: 01/08/2023]
Affiliation(s)
- Dong Wook Kim
- Div. of Applied Life Sciences (BK21 plus); Gyeongsang National Univ.; 501 Jinjudaero Jinju Gyeongsang Republic of Korea
| | - Bo-Min Kim
- Div. of Applied Life Sciences (BK21 plus); Gyeongsang National Univ.; 501 Jinjudaero Jinju Gyeongsang Republic of Korea
| | - Hyeon-Jeong Lee
- Div. of Applied Life Sciences (BK21 plus); Gyeongsang National Univ.; 501 Jinjudaero Jinju Gyeongsang Republic of Korea
| | - Gwang-Ju Jang
- Div. of Applied Life Sciences (BK21 plus); Gyeongsang National Univ.; 501 Jinjudaero Jinju Gyeongsang Republic of Korea
| | - Seong Hwa Song
- Div. of Applied Life Sciences (BK21 plus); Gyeongsang National Univ.; 501 Jinjudaero Jinju Gyeongsang Republic of Korea
| | - Jae-In Lee
- Div. of Applied Life Sciences (BK21 plus); Gyeongsang National Univ.; 501 Jinjudaero Jinju Gyeongsang Republic of Korea
| | - Sang Bong Lee
- Div. of Applied Life Sciences (BK21 plus); Gyeongsang National Univ.; 501 Jinjudaero Jinju Gyeongsang Republic of Korea
| | - Jae Min Shim
- Div. of Applied Life Sciences (BK21 plus); Gyeongsang National Univ.; 501 Jinjudaero Jinju Gyeongsang Republic of Korea
| | - Kang Wook Lee
- Div. of Applied Life Sciences (BK21 plus); Gyeongsang National Univ.; 501 Jinjudaero Jinju Gyeongsang Republic of Korea
| | - Jeong Hwan Kim
- Div. of Applied Life Sciences (BK21 plus); Gyeongsang National Univ.; 501 Jinjudaero Jinju Gyeongsang Republic of Korea
- Dept. of Food Science& Technology, and Inst. of Agriculture and Life Science; Gyeongsang Nat. Univ.; 501 Jinjudaero Jinju Gyeongsang Republic of Korea
| | - Kyung-Sik Ham
- Dept. of Food Engineering and Solar Salt Biotechnology Research Center; Jeonnam 534-729 Korea
| | - Feng Chen
- Dept. of Food, Nutrition, and Packaging Sciences; Clemson Univ.; SC 29634 USA
| | - Hyun-Jin Kim
- Div. of Applied Life Sciences (BK21 plus); Gyeongsang National Univ.; 501 Jinjudaero Jinju Gyeongsang Republic of Korea
- Dept. of Food Science& Technology, and Inst. of Agriculture and Life Science; Gyeongsang Nat. Univ.; 501 Jinjudaero Jinju Gyeongsang Republic of Korea
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17
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Vitamin D2 suppresses amyloid-β 25-35 induced microglial activation in BV2 cells by blocking the NF-κB inflammatory signaling pathway. Life Sci 2016; 161:37-44. [PMID: 27477351 DOI: 10.1016/j.lfs.2016.07.017] [Citation(s) in RCA: 21] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/14/2016] [Revised: 07/20/2016] [Accepted: 07/27/2016] [Indexed: 11/20/2022]
Abstract
AIMS Present emerging world is emphasizing the implication of vitamin D deficiency associated with development of inflammation and neurodegenerative disorder like Alzheimer's disease (AD). The chief neuropathological hallmark of AD is aggregation of amyloid-beta (Aβ) peptides surrounding microglial cells in human brain. Microglial activation plays a key role in inflammatory response and neuronal injury. Naturally abundant vitamin D2 (VD2) exhibiting anti-inflammatory activities are yet to explore more. This study has investigated the inhibitory effect of VD2 on inflammatory activities of BV2 microglial cells. MAIN METHODS Cellular compatibility of VD2 and Aβ25-35 protein in treated BV2 microglial cells were measured by CCK-8 assay. Induction of iNOS, COX-2 and NF-κB signaling cascade were measured by western blotting, whereas pro-inflammatory cytokines were measured by ELISA. In addition, generation of ROS was detected by fluorescence intensity. KEY FINDINGS Morphological observations showed that Aβ25-35 induced BV2 cells stimulation noticeably got reduced in VD2 pre-treated group at 24h time period. Anti-inflammatory activities of VD2 was observed demonstrating the inhibition of up-regulated iNOS and COX-2 protein expression further confirmed by attenuating the activated microglia released pro-inflammatory cytokines IL-1β, IL-6, TNF- α and ROS, while blocking the phosphorylation of NF-κB p65 in nucleus by preventing IκB-α degradation and phosphorylation in cytosol. SIGNIFICANCE The present study revealed that VD2 blocked the phosphorylation of NF-κB inflammatory signaling pathway in Aβ25-35 induced activated BV2 microglial cells by suppressing ROS generation and inflammatory cytokines. Our finding suggests that vitamin D2 has therapeutic potential against inflammation and Alzheimer's disease.
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