Oligomeric proanthocyanidins (OPCs), classified as condensed tannins, have significant antioxidation, anti-inflammation and anti-cancer effects. This study was performed to investigate the anti-inflammatory effects of OPCs and the mechanism underlying these effects in lipopolysaccharide (LPS)-stimulated bovine mammary epithelial cells (MAC-T). Real-time PCR and ELISA assays indicated that OPC treatment at 1, 3 and 5 ㎍/ml significantly reduced the mRNA and protein, respectively, of oxidant indicators cyclooxygenase-2 (COX-2) (p < 0.05) and inducible nitric oxide synthase (iNOS) (p < 0.01) as well as inflammation cytokines interleukin (IL)-6 (p < 0.01), IL-1β (p < 0.01) and tumor necrosis factor-α (TNF-α) (p < 0.05) in LPS-induced MAC-T cells. Moreover, OPCs downregulated LPS-induced phosphorylation of p65 and inhibitor of nuclear factor kappa B (NF-κB) (IκB) in the NF-κB signaling pathway (p < 0.01), and they inhibited p65 translocation from the cytoplasm to the nucleus as revealed by immunofluorescence test and western blot. Additionally, OPCs decreased phosphorylation of p38, extracellular signal regulated kinase and c-jun NH2-terminal kinase in the MAPK signaling pathway (p < 0.01). In conclusion, the anti-inflammatory and antioxidant activities of OPCs involve NF-κB and MAPK signaling pathways, thus inhibiting expression of pro-inflammatory factors and oxidation indicators. These findings provide novel experimental evidence for the further practical application of OPCs in prevention and treatment of bovine mastitis.
Park, Geun-Hye;Lee, Jin-Young;Kim, Dong-Hee;Cho, Young-Je;An, Bong-Jeun
Journal of Life Science
/
v.21
no.8
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pp.1120-1126
/
2011
Rosa multiflora thunberg belonging to Rosaceae is widely distributed in East Asia including Korea and Japan, and has been reported to have tormentic acid and rosamultin. To develop a new natural anti-inflammatory agent for cosmetics, we investigated the inhibitory effects of inflammation in Rosa multiflora root (R. multiflora root). The biological activity and anti-inflammatory effects were investigated by water, ethanol, methanol and acetone extracts of R. multiflora root. The measurements of polyphenol content from R. multiflora root were highest in water and acetone extracts, at 57.48 ${\pm}$ 0.88 mg/g and 67.05 ${\pm}$ 0.56 mg/g, respectively. The result of DPPH, ABTS and superoxide anion radical scavenging effects showed over 50% efficacy at 50 ${\mu}g/ml$ in ethanol, methanol and acetone extracts. Hyaluronidase inhibition effect showed over 60% efficacy at 500 ${\mu}g/ml$ in ethanol, methanol, and acetone extracts. Nitric oxide radical inhibition effect of R. multiflora root ethanol extracts showed over 30% efficacy at 500 ${\mu}g/ml$. We investigated the effect of R. multiflora root extracts on nitric oxide (NO) production of inducible nitric oxide synthase (iNOS) in LPS-induced RAW 264.7 macrophage cells. The result showed that R. multiflora root extracts have an inhibitory effect on NO production and iNOS expression and also can be used as an anti-inflammatory agent. These antioxidant and anti-inflammatory effects of R. multiflora root show applicant potential application as a functional cosmetic material.
Jo, Hyun Kyun;Han, Min Ho;Hong, Su Hyun;Choi, Yung Hyun;Park, Cheol
Journal of Life Science
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v.25
no.3
/
pp.285-292
/
2015
Citrus peel (CP) is used as a traditional herb with diverse beneficial pharmacological activities, such as anti-inflammatory, anti-oxidant, and anti-allergic effects. However, the anti-obesity effects of citrus peel are poorly defined. The aim of this study was to evaluate ethanol extracts of citrus peel (EECP) for its adipocyte differentiation and adipogenesis in 3T3-L1 preadipocytes. The aim of this study was to evaluate an EECP for its adipocyte differentiation and adipogenesis in 3T3-L1 preadipocytes. Treatment with EECP significantly suppressed the terminal differentiation of 3T3-L1 preadipocytes in a dose-dependent manner, as confirmed by a decrease in lipid droplet number and lipid content and an accumulation of cellular triglyceride. EECP exhibited potential adipogenesis inhibition and downregulated the expression of pro-adipogenic transcription factors, such as sterol regulatory elementbinding protein-1c (SREBP-1c), peroxisome proliferator-activated receptor-γ (PPARγ), CCAAT/enhancerbinding proteins α (C/EBPα) and C/EBPβ, and adipocyte expressed genes, such as adipocyte fatty acid binding protein (aP2) and Leptin. In addition, EECP treatment effectively activated the AMP-activated protein kinase (AMPK) signaling pathway; however, compound C, a specific inhibitor of AMPK, significantly reduced the EECP-induced inhibition of adipogenesis. Taken together, these results indicate EECP showed strong anti-obesity effects through the AMPK signaling pathway, and further studies will be needed to identify the active compounds that confer the anti-obesity activity of EECP.
Jae Yong Seo;Go Eun Kim;Ji Soo Ryu;A Reum Jang;Su An Sim;Jung No Lee;Seunghee Bae
Journal of the Society of Cosmetic Scientists of Korea
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v.50
no.1
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pp.85-93
/
2024
In this study, we prepared fractions from Cynanchum paniculatum (C. paniculatum) with ethyl acetate and identified the structure and content of paeonol, an indicator substance. Fractions were obtained by sequential solvent fractions using n-hexane, methylene chloride, ethyl acetate, n-butanol, and distilled water, and showed the highest paeonol content in ethyl acetate (EtOAc). The structure of the ethyl acetate fraction (EA) was confirmed by nuclear magnetic resonance (NMR) and the content was determined by high performance liquid chromatography (HPLC) analysis. The antioxidant activity of EA was tested through its ability to scavenge 2,2'-azino-bis(3-ethylbenzothiazoline-6-sulphonic acid) (ABTS), and its ability to inhibit nitric oxide (NO) production in RAW 264.7 cells induced by lipopolysaccharide (LPS) was tested for its ability to inhibit NO production in a concentration-dependent manner. Furthermore, MMP-1 production induced by ultraviolet B (UVB) was decreased in a concentration-dependent manner by the EA, and the ability to produce procollagen type-I was increased in a concentration-dependent manner. In addition, as a result of conducting clinical trials using cosmetic formulations containing EA, the effect of improving wrinkles around the eyes was confirmed. Thus, it is expected that Cynanchum paniculatum can be used as a natural functional cosmetic material with antioxidant and anti-aging effects.
Journal of the Korea Academia-Industrial cooperation Society
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v.14
no.1
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pp.239-246
/
2013
The purpose of this study was to find out the potential of the Mosidae(Adenophora remtriflora) leaf, one of the natural ingredients, for the cosmetics by measuring their antioxidant functions and skin improving effects. The result of the phytonutrient of the Mosidae leaf test shows, that the heat extract of Mosidae leaf DPPH has 9% higher ability than Ethanol extract.(p<0.05), but significant a difference was not found between the hydroxyl Radical of Mosidae leaf heat extract (65.22%) and Ethanol extract(63.50%). Mosidae leaf heat extract(40.82mg/mL) has much lower polyphenol compound than Ethanol extract(47.90mg/mL)(p<0.05). A clinical test of Mosidae leaf powder pack was performed for a group of 16 middle aged women(age between 35-60) from October 20 to November 17, 2011. Control group was used on the right cheek, and test group was used on left cheek for comparison. The procedure was twice a week for 4 weeks to identify and grade level of moisture, roughness, pore size and spot. After 4 weeks of testing, there were significant improvements in moisture enhancement and spot(p<0.05), subtle change in roughness and the size of the pores. Therefore, we confirmed skin improvement effect of Mosidae leaf as new cosmetic material.
This study developed a high-utility type of vinegar from Rubus coreanus by optimizing its fermentation conditions. In the alcohol fermentation process, the optimal conditions for the maximization of the alcohol contents were an initial sugar concentration of 15 $^{\circ}Brix$, a temperature of $30^{\circ}C$ and 4 days. The optimal conditions for the acetic acid fermentation were 9 days of fermentation at $30^{\circ}C$ and 200 rpm, with 6% alcohol and 2% initial acidity. The sucrose, fructose, and glucose contents were 952.90, 491.01, and 386.62 mg%, respectively. The free organic acids were acetic, malic, succinic, malonic, oxalic, and lactic acids. The total free amino acid content was 104.33 ${\mu}g/mL$, with alanine, glutamic acid, ${\gamma}$-amino-N-butyric acid, and o-phospho-ethanolamine as the major amino acids. The K, Na, and Mg contents were 1,686.10, 172.50, and 69.33 ppm, respectively. The total phenolic and anthocyanin contents were 25.19 and 80.71 mg/100 mL, respectively. The DPPH- and $ABTS^{.+}$ radical scavenging activities were approximately 65 and 94%, respectively. Moreover, the vinegar's ${\beta}$-carotene bleaching activity and reducing power showed that it had strong anti-oxidant properties. These results show that Rubus coreanus vinegar has anti-oxidant properties and may be used as functional food.
Kim, Min Yeong;Kwon, O Jun;Noh, Jeong Sook;Roh, Seong-Soo
Journal of the Korean Society of Food Science and Nutrition
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v.45
no.9
/
pp.1249-1256
/
2016
Black ginseng (BG) obtained by a 9-fold steaming process of Panax ginseng has been reported to have anti-oxidative, anti-obesity, and anti-diabetes effects. The current study evaluated the protective effect of BG by steaming time in an HCl/ethanol-induced acute gastritis model. BG was divided into four samples according to steaming-drying processing (Gin1, Gin3, Gin6, and BG). High performance liquid chromatography analysis, free radical scavenging activity, and total phenol and flavonoid contents were examined in ginseng and four BG samples. Compared with ginseng, BG showed a stronger radical scavenging effect and higher contents of total phenol and flavonoids. To evaluate the anti-gastritic effect of BG, mice were distributed into five groups: normal mice (N), acute gastritic mice with distilled water (CON), acute gastritic mice with 100 mg/kg of ginseng (Gin0), acute gastritic mice with 100 mg/kg of BG (BG), and acute gastritic mice with 10 mg/kg of sucralfate (SC). After 1 hour of pre-treatment with water, extracts (Gin0 and BG), or drug (SC), experimental groups except for N were orally administered 0.5 mL of 150 mM HCl/60% ethanol (v/v) mixture. Blood was collected 1 hour later from the heart, and gastric tissue was harvested. Reactive oxygen species (ROS) levels were measured in serum, and related protein expression was examined by Western blot assay. In HCl/ethanol-induced acute gastritic mice, treatment with ginseng or BG improved mucosal damage in the histological evaluation. The serum ROS level significantly decreased in the BG-treated group compared with the CON group. Furthermore, expression of inflammatory cytokines significantly decreased in the BG-treated group compared with the CON group. Based on these results, antioxidant and anti-gastritic activities of ginseng were enhanced by streaming-drying processing, in part due to an increase in biological active compounds.
Shin, Dong Won;Lee, Sang Ho;Lee, Soyeon;Han, Eun Hye
Analytical Science and Technology
/
v.31
no.6
/
pp.219-224
/
2018
The fruit and stem of Opuntia ficus-indica var. aboten (OFS), a native plant of Jeju Island, are considered a safe food source. Moreover, stem extracts have been previously reported to possess a variety of biological effects (e.g. anti-inflammatory and anti-oxidant, including the ability to partially ameliorate cognitive impairment), suggesting that this plant may have utility as a functional food. The present study investigated whether fermentation by lactic acid bacteria enhances the biological effects of OFS extracts. The acetylcholinesterase (AChE) inhibitory activity of fermented or non-fermented OFS extracts was evaluated, and the content of marker components dihydrokaempferol (DHK) and quercetin-3-methyl ether (3-MeQ) was analyzed using high-performance liquid chromatography. Fermented (relative to non-fermented) OFS extracts exhibited improved AChE inhibitory activity ($IC_{50}=28.35 mg/mL$), with AChE inhibitory activity resulting from fermentation by L. plantarum ($IC_{50}=12.56mg/mL$) exceeding that resulting from fermentation by L. fermentum ($IC_{50}=17.71mg/mL$). Furthermore, fermented (relative to non-fermented) OFS extracts exhibited a 16.7 % increase in DHK content, and 3-MeQ content of OFS extracts fermented by L. plantarum and L. fermentum increased by 28.6 % and 21.4 %, respectively. Therefore, OFS stem extract AChE inhibitory activity, as well as DHK and 3-MeQ content, was enhanced by fermentation with Lactobacillus spp. This suggests that fermented OFS extracts may contribute to prevention or improvement of cognitive impairment. These data are anticipated to be useful in the development of enhanced-efficacy OFS products.
Kim, Min Ju;Lee, Jin A;Shin, Mi-Rae;Park, Hae-Jin;Roh, Seong-Soo
Journal of Nutrition and Health
/
v.54
no.4
/
pp.412-421
/
2021
Purpose: Thioacetamide (TAA) produces reactive oxygen species (ROS) in the liver, and the generated ROS induces liver injury through inflammatory reactions. The current study was undertaken to investigate the hepatoprotective effect of Artemisiae Capillaris Herba water extract (AC), imparted via its antioxidant activity, in an animal model of TAA-induced liver injury. Methods: Animal experiments were conducted in 5 groups: normal, control (TAA 200 mg/kg), SM (TAA 200 mg/kg + silymarin 100 mg/kg), ACL (TAA 200 mg/kg + AC 100 mg/kg), ACH (TAA 200 mg/kg + AC 200mg/kg). TAA (intraperitoneal) and treatment compounds (per oral) were administered for 3 days. Serum levels of ammonia concentration and myeloperoxidase (MPO) activity were subsequently measured. Liver tissues were subjected to western blot analysis for measuring the oxidative stress (NADPH oxidase), anti-oxidative activity (Nrf2, heme oxygenase-1 [HO-1], superoxide dismutase [SOD], catalase, and GPx-1/2), tissue inhibitors of metalloproteinase (TIMP)-1, and matrix metalloproteinases (MMPs) protein expressions. Results: Serum ammonia levels and MPO activity were significantly increased in the TAA-induced control group, whereas groups administered AC treatment showed markedly reduced levels. Western blot analysis revealed significantly increased NOX2 and p22phox expressions, (oxidative stress-related factors) in the TAA-induced control group. These levels were determined to be significantly decreased after AC exposure. Moreover, antioxidant-related factors including Nrf2, HO-1, SOD, catalase, and GPx-1/2 were significantly decreased in the control group and increased in the AC treated groups. In addition, MMP expressions were significantly suppressed in the AC treatment group due to increased levels of TIMP-1. Conclusion: Taken together, these data indicate that exposure to AC reduces the oxidative stress by inhibiting the expression of NADPH oxidase (NOX2 and p22phox) through the Nrf2 signaling pathway. We therefore propose the potential of AC for the prevention and treatment of TAA-induced liver injury.
Kim, Tae-Hee;Heo, Seong-Yeong;Oh, Gun-Woo;Kim, Min-Sung;Choi, Il-Whan;Jung, Won-Kyo
Journal of Marine Bioscience and Biotechnology
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v.12
no.1
/
pp.1-10
/
2020
Asthma is a complex inflammatory disease of the lung characterized by variable airflow obstruction, airway hyperresponsiveness, airway inflammation, and reduction of respiratory function. Its prevalence and incidence are increasing because of the effect of various environmental and lifestyle risk factors. Steroid inhalation, long-acting agonists, and other synthetic drugs are used for the treatment of this disease. However, they have some side effects and show unsatisfied result and response after treatment. Therefore, many researchers have focused on the development of natural product-related treatment for asthma to suppress the side effects and unsatisfied results. Seaweeds contain various bioactive compounds with anti-inflammatory, antibacterial, and anti-oxidant activities. Thus, we investigated the asthma treatment-related literature using marine algae via the Google scholar search engine. Consequently, the literature is rarely investigated, but is increasing steadily. The literature was performed as a comparison study with an ovalbumin-induced group or drug-treated group, and investigated the antiasthma activity of algae ethanol extract. Although many researchers have studied marine algae-derived therapeutic agents for asthma, the amount of literature is rare compared with those of herbal medicine-derived therapeutic agents. Conclusively, we suggest that many researchers should investigate and develop algae-derived therapeutic agents for asthma treatment.
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