• Title/Summary/Keyword: Prostaglandin E

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Antioxidant activity and suppression of pro-inflammatory mediator of Corni fructus extracts in activated RAW 264.7 macrophage (산수유(Corni fructus) 분획 추출물의 항산화 활성 및 RAW 264.7 대식세포에서 염증매개물질 억제 효과)

  • Kim, Ye Jin;Son, Dae-Yeul
    • Food Science and Preservation
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    • v.23 no.6
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    • pp.876-882
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    • 2016
  • The antioxidant and anti-inflammatory effects of Corni fructus extracts (CEF, EtOAc extraction; CBF, buthanol extraction; CWF, water extraction) were investigated. The total phenolics of CEF (173.3 mg TAE/g) were significantly higher than those of CWF (26.7 mg TAE/g) and CBF (94.8 mg TAE/g). DPPH and ABTS free radical scavenging activity of CEF (DPPH: $RH_{50}$; $25.1{\mu}g/mL$, ABTS: $RC_{50}$; $36.1{\mu}g/mL$) showed even higher than that of BHA and ${\alpha}-tocopherol$ used as positive control. All three Corni fructus extracts in the concentration of $1{\sim}100{\mu}g/mL$ were effective inhibitors of NO and prostaglandin $E_2$ ($PGE_2$). NO production was inhibited 71.3~92.2% by CEF, 76.8~85.5% by CBF and 74.4~96.9% by CWF, respectively. CEF, CBF and CWF ($1{\sim}100{\mu}g/mL$) inhibited also pro-inflammatory cytokines like $TNF-{\alpha}$, $IL-1{\beta}$ and IL-6 very effectively. $TNF-{\alpha}$ was inhibited up to 51.2% by CWF and $IL-1{\beta}$ was inhibited up to 67.1% by CEF. IL-6 was best inhibited by CEF up to 58.9%. This study suggested the potential of Corni fructus for use as an excellent antioxidant substance and inflammatory inhibiting mediators. Therefore CEF, CBF and CWF Corni fructus extracts may be used for therapeutic approach to various inflammatory diseases.

Suppressive Effect of Green Tea Seed Coat Ethyl Acetate Fraction on Inflammation and Its Mechanism in RAW264.7 Macrophage Cell (RAW264.7 Macrophage Cell에서 녹차씨껍질 에틸아세테이트 분획의 염증억제 효과 및 기전 연구)

  • Noh, Kyung-Hee;Jang, Ji-Hyun;Min, Kwan-Hee;Chinzorig, Radnaabazar;Lee, Mi-Ock;Song, Young-Sun
    • Journal of the Korean Society of Food Science and Nutrition
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    • v.40 no.5
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    • pp.625-634
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    • 2011
  • Green tea seed coat (GTSC) was extracted with 100% ethanol for 4 hr and then fractionated with petroleum ether (PE), ethyl acetate (EtOAC) and butanol (BuOH). The EtOAC fraction showed the highest level in total phenol contents and the lowest level in nitric oxide (NO) production in LPS-stimulated RAW264.7 macrophage cell. Thus, this study was carried out to investigate the anti-inflammatory and its mechanisms of GTSC EtOAC fraction in LPS-stimulated RAW264.7 macrophage cell. GTSC EtOAC fraction contained EGC ($1146.48{\pm}11.01\;{\mu}g/g$), tannic acid ($966.99{\pm}32.24\;{\mu}g/g$), EC ($70.88{\pm}4.39\;{\mu}g/g$), gallic acid ($947.61{\pm}1.03\;{\mu}g/g$), caffeic acid ($37.69{\pm}1.46\;{\mu}g/g$), ECG ($35.46{\pm}3.19\;{\mu}g/g$), and EGCG ($15.53{\pm}0.09\;{\mu}g/g$) when analyzed by HPLC. NO production was significantly (p<0.05) suppressed in a dose-dependent manner with an $IC_{50}$ of $80.11\;{\mu}g$/mL. Also prostaglandin $E_2$ level was also inhibited in a dose-dependent manner. Moreover, iNOS protein expression was suppressed in dose-dependent manner but COX-2 gene expression was not affected. Total antioxidant capacity and glutathione (GSH) levels were enhanced more than the LPS-control. Expressions of antioxidative enzymes including catalase, GSH-reductase and Mn-SOD were elevated compared to LPS-control. Nuclear p65 level was decreased in the GTSC EtOAC fraction in a dose-dependent manner. These results indicate that GTSC EtOAC fraction inhibit oxidative stress and inflammatory responses through elevated GSH levels, antioxidative enzymes expressions and suppression of iNOS expression via NF-${\kappa}B$ down-regulation.

Anti-Inflammatory Effects of Volatile Flavor Extract from Herbal Medicinal Prescriptions Including Cnidium officinale Makino and Angelica gigas Nakai (천궁 및 당귀를 함유한 한방처방제 휘발성 향기추출물의 항염증 효과)

  • Leem, Hyun-Hee;Kim, Eun-Ok;Seo, Mi-Jae;Choi, Sang-Won
    • Journal of the Society of Cosmetic Scientists of Korea
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    • v.37 no.3
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    • pp.199-210
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    • 2011
  • This study was conducted to develop functional sources of herbal cosmetics for treatment of skin aging and inflammatory disorders using volatile flavor extracts of four different herbal medicinal prescriptions including Cnidium officinale Makino (COM), Angelica gigas Nakai (AGN), Mentha arvense L. (MAL), Artemisiae argyi Folium (AAF), Paeonia lactiflora Pall (PLP), Rehmanniae Radix Preparata (RRP), Scutellaria baicalensis Georgi (SBG), Panax ginseng C.A. Meyer (PGM), Glycyrrhiza uralensis Fisch (GUF). The volatile flavor extracts of four different herbal medicinal prescriptions (HH-1: COM, AGN, PLP, RRP, HH-2: COM, AGN, PLP, RRP, SBG, PGM, GUF, HH-3: COM, AGN, MAL, AAF, HH-4: COM, AGN, MAL, AAF, SBG, PGM, GUF) were extracted using SDE and their antioxidant and anti-inflammatory effects were measured by using DPPH radical and SLO, respectively. As a result, HH-2 showed moderate DPPH radical scavenging activity (68.24 %) and the strongest SLO inhibitory activity (83.96 %) at 100 ${\mu}g$/mL. Moreover, HH-2 of four different prescriptions significantly inhibited NO production on LPS-stimulated RAW 264.7 cells in a dose-dependent manner without considerable cell cytotoxicity at range of 2.0 ~ 50 ${\mu}g$/mL. Additionally, HH-2 also effectively suppressed the production of $PGE_2$ and IL-6, which are responsible for promoting the inflammatory process. Major volatile components of HH-2 were identified as eugenol, paeonol, butyl phthalide, ${\beta}$-eudesmol and butylidene dihydrophthalide by GC-MS analysis. Thus, these results suggest that HH-2 may be useful as a potential source of anti-inflammatory agents in herbal medicinal cosmetics.

The Effects of Bee Venom and Melittin Solution on PGE2, COX-2, and NF-kB Dependent Luciferase Activity in RAW 264.7 Cells (봉약침액(蜂藥鍼液)과 Melittin 약침액(藥鍼液)이 RAW 264.7 세포의 PGE2, COX-2 및 NF-kB에 미치는 영향(影響))

  • Jeong, Il-kook;Song, Ho-sueb
    • Journal of Acupuncture Research
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    • v.21 no.6
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    • pp.19-36
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    • 2004
  • Objective : The purpose of this study was to investigate the effect of Bee Venom and Melittin Solution on the lipopolysaccharide(LPS) and sodium nitroprusside(SNP)-induced expression of prostaglandin $E_2(PGE_2)$, cyclooxygenase-2(COX-2), nuclear factor kappa B($NF-{\kappa}B$) and nuclear factor kappa B($NF-{\kappa}B$) dependent luciferase activity in RAW 264.7 cells, a murine macrophage cell line. Methods : The expression of PGE2 was determined by determination of $PEG_2$, COX-2 was by western blotting with corresponding antibodies, $NF-{\kappa}B$ was by gel mobility shift assay method and $NF-{\kappa}B$ dependent luciferase activity was investigated by luciferase assay in RAW 264.7 cells. Results : 1. LPS and SNP-induced expression of $PEG_2$ was significant after 24hour. 2. The 0.5, 1 and $5{\mu}g/mL$ of bee venom and the 5 and $10{\mu}g/mL$ of melittin solution inhibited significantly LPS-induced expression of $PEG_2$ and, the $5{\mu}g/mL$ of bee venom and the 5 and $10{\mu}g/mL$ of melittin solution inhibited significantly SNP-induced expression of $PEG_2$ compared with control, respectively. The 0.5 and $1{\mu}g/mL$ of bee venom could not significantly inhibit SNP-induced expression of $PEG_2$ compared with control. 3. The $5{\mu}g/mL$ of bee venom and the 5 and $10{\mu}g/mL$ of melittin solution inhibited significantly LPS and SNP-induced expression of COX-2 compared with control, respectively. The 0.5 and $1{\mu}g/mL$ of bee venom inclined to decrease LPS and SNP-induced expression of COX-2 compared with control. 4. The 0.5, 1 and $5{\mu}g/mL$ of bee venom and the 5 and $10{\mu}g/mL$ of melittin solution inhibited significantly LPS and SNP-induced expression of $NF-{\kappa}B$ compared with control, respectively. 5. The 0.5, 1 and $5{\mu}g/mL$ of bee venom and the 5 and $10{\mu}g/mL$ of melittin solution inhibited significantly LPS-induced expression of $NF-{\kappa}B$ dependent luciferase activity and the 1 and $5{\mu}g/mL$ of bee venom and the 5 and $10{\mu}g/mL$ of melittin solution inhibited significantly SNP-induced expression of $NF-{\kappa}B$ dependent luciferase activity compared with control, respectively. The $NF-{\kappa}B$ inhibitor also inhibited significantly LPS and SNP-induced expression of $NF-{\kappa}B$ dependent luciferase activity compared with control. 6. The 0.5, 1 and $5{\mu}g/mL$ of bee venom and the 5 and $10{\mu}g/mL$ of melittin solution inhibited significantly LPS + IFN-${\gamma}$, TNF-${\alpha}$ and LPS + TNF-${\alpha}$-induced expression of $NF-{\kappa}B$ dependent luciferase activity compared with control, respectively. The $NF-{\kappa}B$ inhibitor also inhibited significantly LPS and SNP-induced expression of $NF-{\kappa}B$ dependent luciferase activity compared with control. Conclusions : These results suggest the inhibitory action of bee venom and melittin solution on the inflammatory mediators such as $PEG_2$, COX-2 and $NF-{\kappa}B$.

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Inhibitory Effects of Euphorbia supina Rafin on the Production of Pro-Inflammatory Mediator by LPS-Stimulated RAW 264.7 Macrophages (LPS로 활성화된 RAW 264.7 대식세포에서 애기땅빈대(Euphorbia supina Rafin)의 염증매개물질 억제효과)

  • Park, Sung-Chul;Son, Dae-Yeul
    • Journal of the Korean Society of Food Science and Nutrition
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    • v.40 no.4
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    • pp.486-492
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    • 2011
  • This study was designed to evaluate the effect of hot water extract (ESW) and 70% ethanol extract (ESE) from Euphorbia supina Rafin on LPS-stimulated inflammatory response in RAW 264.7 macrophages. Upon investigation at concentrations up to $1000\;{\mu}g$/mL, ESW and ESE did not have any cytotoxic effects on RAW 264.7 macrophages. ESW induced inhibition of 21.6%~54.8% of nitric oxide (NO) production at 100~1000${\mu}g$/mL, and $PGE_2$ production was inhibited up to 25.7%~38.2% at 250~1000${\mu}g$/mL, proportional to the ESW concentrations. ESW induced inhibition of 66.1% and 54.3% of IL-6 production at 250 and $1000\;{\mu}g$/mL, respectively. ESE (100~1000${\mu}g$/mL) induced inhibition of 38.3%~77.5% of NO, 40%~94.7% of $PGE_2$, and 43.9%~89.4% of IL-6 production, proportional to the ESE concentrations. Only 44.1% of IL-10 production was inhibited at a concentration of $500\;{\mu}g$/mL. ESE induced an increase in TNF-${\alpha}$ production at a concentration of 100 and $250\;{\mu}g$/mL, whereas at high concentrations (500 and $1000\;{\mu}g$/mL), ESE induced inhibition of 19.2% and 92.4% of TNF-${\alpha}$ production, respectively. In conclusion, concentrations of more than $500\;{\mu}g$/mL ESE demonstrated effective immune-modulating activity through inhibition of NO, $PGE_2$, IL-6, IL-10, or TNF-${\alpha}$ production, as it relates to the macrophage's immuno-activity; therefore, ESE has potential as a good candidate substance for reduction of inflammatory responses.

Antioxidant and Inhibitory Effects of Korean Panax ginseng Extract on Pro-inflammatory Mediators in LPS-stimulated RAW264.7 Macrophages (산양삼(Korean Panax ginseng) 추출물의 항산화 효과 및 LPS로 염증이 활성화된 RAW 264.7 대식세포에서의 염증매개물질 억제효과)

  • Kim, Ye-Jin;Son, Dae-Yeul
    • Journal of the Korean Society of Food Science and Nutrition
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    • v.41 no.10
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    • pp.1371-1377
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    • 2012
  • Biological activities of Korean Panax ginseng 55% ethanol extract (KPGE) were investigated. The measured total polyphenol content of KPGE was 357.45 mg/100 g. KPGE showed the highest ${\alpha},{\alpha}$-diphenyl-${\beta}$-picrylhydrazyl (DPPH) and 2,2'-azino-bis-3-ethylbenzo-thiazoline-6-sulfonic acid (ABTS) radical scavenging activities of 80% and 86% at 1,000 ${\mu}g/mL$, respectively. DPPH and ABTS radical scavenging activities significantly increased in a KPGE concentration-dependent manner. SOD-like activity of KPGE (1, 10, and 100 ${\mu}g/mL$) increased from 22% up to 33% at KPGE concentrations of 500 and 1,000 ${\mu}g/mL$. KPGE treatment significantly suppressed the generation of pro-inflammatory mediators, including nitric oxide (NO), prostaglandin $E_2$ ($PGE_2$), and cytokines (tumor necrosis factor-alpha: TNF-${\alpha}$, interleukin-6: IL-6, interleukin-$1{\beta}$: IL-$1{\beta}$), in lipopolysaccharide (LPS)-stimulated RAW 264.7 macrophages. KPGE demonstrated strong anti-inflammatory activity that reduced NO and $PGE_2$ production in LPS-stimulated RAW 264.7 cells. Even low concentrations of KPGE (1 and 10 ${\mu}g/mL$) reduced $PGE_2$ and NO production in RAW 264.7 macrophages without LPS-stimulation, respectively. At concentrations of 100, 500, and 1,000 ${\mu}g/mL$, TNF-${\alpha}$, IL-$1{\beta}$ and IL-6 production were significantly suppressed. The results of our study suggest the potential of Korean Panax ginseng as an excellent antioxidant substance for inhibiting inflammatory mediators. Therefore, Korean Panax ginseng (KPGE) may be used as a therapeutic approach to various inflammatory diseases.

Effect of Microbial Phytase in Low Phosphorus and Calcium Level Diet on the Performance and Nutrient Digestibility in Laying Hens (인과 칼슘의 수준이 낮은 산란계 사료 내 미생물 Phytase의 첨가가 생산성 및 영양소 소화율에 미치는 영향)

  • Min B.J.;Kwon O.S.;Lee W.B.;Son K.S.;Hong J.W.;Yang S.J.;Moon T.H.;Kim I.H.
    • Korean Journal of Poultry Science
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    • v.32 no.1
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    • pp.15-21
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    • 2005
  • This Study was conducted to investigate the effects of microbial phytase in low phosphirus and calcium level diet on the performance and nutrient digestibility in laying hens. One hundred ninety two, 50 wks old, ISA brown commerical layers were used for 12 weeks feeding trial after 7-d adjustment period. Four dietary treatments included CON(control; Co.), P2 ($0.06\%$ Natuphos, BASF) and P3 ($0.06\%$ PHOSMAX, GENOFOCUS). Ca and available P concentrations of P1, P2 and P3 were 90 and $50\%$ of NRC recommecdations to accentuate difference in response to phytase availability. In whole period, egg production was not affected by treatments. At 12 weeks, egg weight was significantly increased in adding phytase treatments (P<0.05). Egg shell thickness was increased in P1, P2 and P3 treatments compared with control (P<0.05) at 9 weeks. Ca concentration of serum tended to decrease in P1 treatment without significant difference (P>0.05). Ca and P concentrations of tibia were higher in layers fed dietary phyrase than those fed control diet without significant difference (P>0.05). Digestibilities of DM, N and ash were improved in P1 treatment compared with P2 and P3 treatments (P<0.05). Ca and P digestibilities were the highest in P2 treatment (P>0.05), but was not significant difference between control and P1 treatments.

In Vitro Anti-bacterial and Anti-inflammatory Effects of Six Types of Herb Aqueous Extracts (일부 살충해독유(殺蟲解毒類) 한약의 Staphylococcus aureus에 대한 시험관 내 항균 및 항염 효과)

  • Jang, Se-Ran;Kim, Dong-Chul
    • The Journal of Korean Obstetrics and Gynecology
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    • v.27 no.1
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    • pp.81-100
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    • 2014
  • Objectives: The object of this study was to observe the in vitro anti-bacterial and anti-inflammatory effects of six single aqueous herbal extracts-Quisqualis Fructus (QuF), Meliae Cortex (MeC), Arecae Semen (ArS), Crassirhizomae Rhizoma (CrR), Ulmi Pasta Semen(UlS), Torreyae Semen(ToS)- against Staphylococcus aureus (S. aureus) and Lipopolysaccharide(LPS)-activated Raw 264.7 cells. Methods: Anti-bacterial activities against S. aureus of aqueous extracts of QuF, MeC, ArS, CrR, UlS and ToS were detected using standard agar microdilution methods. In addition, the effects on the cell viability, prostaglandin $E_2$ ($PGE_2$), nitric oxide (NO), tumor necrosis factor-${\alpha}$ (TNF-${\alpha}$), interleukin (IL)-$1{\beta}$ and IL-6 productions of LPS activated Raw 264.7 cells were detected. The anti-bacterial and anti-inflammatory effects were respectively compared with lincomycin and piroxicam. Results: Minimal Inhibition Concentration (MIC) of aqueous extracts of QuF, MeC, ArS, CrR, UlS and ToS against S. aureus was respectively detected $5.625{\pm}4.075$ (3.125~12.500), $0.332{\pm}0.273$ (0.098~0.782), $1.094{\pm}0.428$ (0.782~1.563), $2.969{\pm}2.096$ (0.782~6.250), $9.375{\pm}4.419$ (3.125~12.500)>25 mg/ml. MIC of lincomycin was detected as $0.469{\pm}0.297$ (0.195~0.782) ${\mu}g/ml$ at same conditions. In addition, $ED_{50}$ against LPS-induced cell viabilities and cytokine releases of QuF, MeC, ArS, CrR, UlS and ToS was as follows - Cell viability: 66.370, 2.908, 1.747, 259.553, 18.150 and 34.160 mg/ml; NO production: 389.486, 0.294, 0.138, 523.060, 45.363 and 49.327 mg/ml; $PGE_2$ production: 114.271, 0.223, 0.046, 243.078, 8.829 and 28.947 mg/ml; TNF-${\alpha}$ production: 406.288, 0.343, 0.123, 9404.227, 125.406 and 140.775 mg/ml; IL-$1{\beta}$ production: 117.178, 0.135, 0.019, 237.451, 7.923 and 19.418 mg/ml; IL-6 production: 31.261, 0.105, 0.055, 128.434, 2.290 and 3.745 mg/ml. ED50 of piroxicam against LPS-induced cell viabilities, NO, $PGE_2$, TNF-${\alpha}$, IL-$1{\beta}$ and IL-6 were detected as 35.179, 6.552, 1.162, 7.273, 7.101 and $5.044{\mu}g/ml$, respectively at same conditions. Conclusions: All six single aqueous herbal extracts showed anti-bacterial effects against S. aureus, in the order of MeC, ArS, CrR, QuF and UlS aqueous extracts except for ToS; they did not showed any anti-bacterial effects (MIC>25 mg/ml). They also showed anti-inflammatory effects against LPS-activated Raw 264.7 cells in the order of ArS, MeC, UlS, ToS, QuF and CrR aqueous extracts. It means that the ArS and MeC will be showed favorable potent anti-bacterial and related anti-inflammatory effects.

The Effect of Woogakseungmatang Extract on NO Production in LPS- Stimulated RAW 264.7 Cells (우각승마탕이 LPS로 유도된 RAW 264.7 세포에서 NO 생산에 미치는 영향)

  • Jo, Na Young
    • Korean Journal of Acupuncture
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    • v.35 no.4
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    • pp.166-173
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    • 2018
  • Objectives : Woogakseungmatang is a prescription medication mainly used to treat facial paralysis in Korean medicine. The purpose of this study is to investigate the effects of Woogakseungmatang on anti-inflammation and anti-oxidation. Methods : Woogakseungmatang was extracted using hot water. Cytotoxicity was assessed using the 3-(4,5-dimethylthiazol-2-yl)-2,5-diphenyltetrazolium bromide(MTT) method; nitric oxide(NO) production and Prostaglandin $E_2$ ($PGE_2$) production in RAW cells treated with Woogakseungmatang were investigated; and the cytokine changes associated with inflammation were examined. The antioxidant capacity of Woogakseungmatang was measured using the 1,1-diphenyl-2-picrylhydrazyl (DPPH) method. Results : RAW cells treated with Woogakseungmatang showed 90% cell viability at a $100-{\mu}g/ml$ concentration. NO production was decreased by 15% at a $100-{\mu}g/ml$ concentration. $PGE_2$ production was decreased by 18% at a $100-{\mu}g/ml$ concentration. Interleukin $1{\beta}$ ($IL-1{\beta}$), interleukin 6(IL-6), and tumor necrosis factor-${\alpha}$ ($TNF-{\alpha}$) were significantly reduced at $100{\mu}g/ml$ compared with those in the control group. The DPPH free radical scavenging capability was more than 50% at $100{\mu}g/ml$. Conclusions : Woogakseungmatang showed only a slight anti - inflammatory effect at $100{\mu}g/ml$ and it was difficult to confirm the concentration-dependent anti-inflammatory effect. Therefore, this study means to confirm the potential anti-inflammatory effects of Woogakseungmatang. Based on this research, more systematic and diverse studies should be conducted.

Two new triterpenoid saponins derived from the leaves of Panax ginseng and their antiinflammatory activity

  • Li, Fu;Cao, Yufeng;Luo, Yanyan;Liu, Tingwu;Yan, Guilong;Chen, Liang;Ji, Lilian;Wang, Lun;Chen, Bin;Yaseen, Aftab;Khan, Ashfaq A.;Zhang, Guolin;Jiang, Yunyao;Liu, Jianxun;Wang, Gongcheng;Wang, Ming-Kui;Hu, Weicheng
    • Journal of Ginseng Research
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    • v.43 no.4
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    • pp.600-605
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    • 2019
  • Background: The leaves and roots of Panax ginseng are rich in ginsenosides. However, the chemical compositions of the leaves and roots of P. ginseng differ, resulting in different medicinal functions. In recent years, the aerial parts of members of the Panax genus have received great attention from natural product chemists as producers of bioactive ginsenosides. The aim of this study was the isolation and structural elucidation of novel, minor ginsenosides in the leaves of P. ginseng and evaluation of their antiinflammatory activity in vitro. Methods: Various chromatographic techniques were applied to obtain pure individual compounds, and their structures were determined by nuclear magnetic resonance and high-resolution mass spectrometry, as well as chemical methods. The antiinflammatory effect of the new compounds was evaluated on lipopolysaccharide-stimulated RAW 264.7 cells. Results and conclusions: Two novel, minor triterpenoid saponins, ginsenoside $LS_1$ (1) and 5,6-didehydroginsenoside $Rg_3$ (2), were isolated from the leaves of P. ginseng. The isolated compounds 1 and 2 were assayed for their inhibitory effect on nitric oxide production in LPS-stimulated RAW 264.7 cells, and Compound 2 showed a significant inhibitory effect with $IC_{50}$ of $37.38{\mu}M$ compared with that of NG-monomethyl-L-arginine ($IC_{50}=90.76{\mu}M$). Moreover, Compound 2 significantly decreased secretion of cytokines such as prostaglandin $E_2$ and tumor necrosis factor-${\alpha}$. In addition, Compound 2 significantly suppressed protein expression of inducible nitric oxide synthase and cyclooxygenase-2. These results suggested that Compound 2 could be used as a valuable candidate for medicinal use or functional food, and the mechanism is warranted for further exploration.