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Francilene V. Silva,Irisdalva S. Oliveira,Kayo A. Figueiredo,Francisco B. Melo Junior,Danielly A. Costa,Mariana H. Chaves,Mauricio P.M. Amaral,Fernanda R.C. Almeida,Francisco A. Oliveira,Rita C.M. Oli 한국식품영양과학회 2014 Journal of medicinal food Vol.17 No.6
The present work reports the anti-inflammatory and antinociceptive activities of the ethanol extract obtained from the stem bark of Sterculia striata A. St.-Hil. & Naudin (Ss-EtOH) in the experimental models of edema induced by carrageenan, dextran, or histamin and nociception induced by chemical stimuli, such as acetic acid, formalin, capsaicin, or glutamate. The Ss-EtOH (50 mg/kg) promoted a marked inhibition on the hind paw edema induced by carrageenan or dextran (30% and 73%, respectively). Besides, Ss-EtOH (25 mg/kg) exhibited a slight activity (30%) on the hind paw edema induced by histamin. The Ss-EtOH (12.5 and 25 mg/kg) showed the antinociceptive activity on chemical stimuli induced by acetic acid (65.59% and 38.37%, respectively), formalin, in the initial (35.08% and 31.5%, respectively) and late phases (44.09% and 83.57%, respectively), capsaicin (43.77% and 51.31%, respectively), or glutamate (36.6% and 52.12%, respectively). Regarding the possible mechanism involved in the antinociceptive effect, Ss-EtOH (12.5 mg/kg) showed a decrease in the antinociceptive effect (65.8%) in the acetic acid model after pretreatment with naloxone. Thus, opioid mechanisms might be underlying this response.
Francilene V. Silva,Adriana G. Guimara˜es,Elayne R.S. Silva,Benedito P. Sousa-Neto,Fla´via D.F. Machado,Lucindo J. Quintans-Ju´nior,Daniel D.R. Arcanjo,Francisco A. Oliveira,Rita C.M. Oliveira 한국식품영양과학회 2012 Journal of medicinal food Vol.15 No.11
This study reports a pharmacological evaluation of anti-inflammatory and anti-ulcer activities of carvacrol, a phenolic monoterpene constituent of essential oils produced by oregano and other several aromatic plants and spices, in experimental models of edema induced by different phlogistic agents and gastric lesions induced by acetic acid. In models of paw edema induced by dextran or histamine, carvacrol was effective at 50 mg/kg (46% and 35%, respectively); in these models, cyproheptadine reduced edema formation (61% and 43%, respectively). In edema induced by substance P, carvacrol (100 mg/kg) and ruthenium red (3 mg/kg) also decreased the edema formation (46% and 40%, respectively). Carvacrol significantly reduced the ear edema induced by 12-O-tetradecanoylphorbol acetate and arachidonic acid at 0.1 mg per ear (43% and 33%, respectively), similar to indomethacin at 0.5 mg per ear or 2.0 mg per ear (55% and 57%, respectively). Carvacrol (at doses of 25, 50, and 100 mg/kg) showed a healing capacity on gastric lesions induced by acid acetic (60%, 91%, and 81%, respectively) after 14 days of treatment. These results suggest that carvacrol acts on different pharmacological targets, probably interfering in release and/or synthesis of inflammatory mediators, such as the prostanoids, and thus favoring the healing process for gastric ulcers.
Marcos G.S. Gouveia,Maria A. Xavier,Andre´ S. Barreto,Daniel P. Gelain,Joa˜o P.A. Santos,Adriano A.S. Arau´jo,Francilene A. Silva,Jullyana S. Quintans,Maria F. Agra,Analu´cia G.S. Cabral,Josean F. Tav 한국식품영양과학회 2011 Journal of medicinal food Vol.14 No.11
The antioxidant, antinociceptive, and anti-inflammatory activities of the ethanolic extract from leaves of Combretum duarteanum (EEC) were assessed in rodents through in vitro tests. The antioxidant activity was investigated by using thiobarbituric acid reactive species (TBARS), hydroxyl radical–scavenging, and scavenging activity of nitric oxide assays. The antinociceptive activity was investigated by using acetic acid–induced writhing, formalin, and hot-plate tests in mice. The anti-inflammatory activity was assessed in rats by using the carrageenan-induced hind-paw edema test and arachidonic acid–induced paw edema test. EEC possesses a strong antioxidant potential according to the TBARS, nitric oxide, and hydroxyl radical–scavenging assays; it also presented scavenger activity in all in vitro tests. After intraperitoneal injection, EEC (100, 200, and 400 mg/kg) significantly reduced the number of writhes (38.1%, 90.6%, and 97.8%, respectively) in a writhing test and the number of paw licks during phase 1 (30.5% and 69.5%, higher doses) and phase 2 (38.1%, 90.6%, and 97.8%, all doses) of a formalin test when compared with the control group. Naloxone (1.5 mg/kg, intraperitoneally) antagonized the antinociceptive action of EEC (400 mg/kg), and this finding suggests participation of the opioid system. Administration of 200 and 400 mg/kg (intraperitoneally) of EEC exhibited an anti-inflammatory activity in the carrageenin test, which was based on interference with prostaglandin synthesis. This finding was confirmed by the arachidonic acid test. Together, these results indicate that properties of EEC might be further explored in the search for newer tools to treat painful inflammatory conditions, including those related to pro-oxidant states.
Virginia D. Kappel,Geison M. Costa,Gustavo Scola,Francilene A. Silva,Melissa F. Landell,Patr?cia Valente,Daiana G. Souza,Danielli C. Vanz,Fl?vio H. Reginatto,Jos? C.F. Moreira 한국식품영양과학회 2008 Journal of medicinal food Vol.11 No.2
The phenolic content, antioxidant potential, and antimicrobial activity of extracts of different parts of the fruitfrom Capsicum baccatumL. var. pendulumwere investigated. The analysis of phenolic content was performed by the Folin-Ciocalteu method and reversed-phase high-performance liquid chromatography. The in vitroantioxidant activity was assessedby the total reactive antioxidant potential and total antioxidant reactivity index. The antioxidant activity was positively cor-related with the amount of phenolics found in each sample. The ex vivoantioxidant potential was assessed using the rat liverslice model. The antimicrobial activity was screened using Gram-positive and Gram-negative bacteria and fungi. All the ex-tracts revealed antioxidant activity and a weak antimicrobial activity.