| decolorization of textile indigo dye by ligninolytic fungi. | the indigo dye is extensively used by textile industries and is considered a recalcitrant substance, which causes environmental concern. chemical products used on textile processing, which affect the environment through effluents, can be voluminous, colored and varied. vat textile dyes, like indigo, are often used and dye mainly cellulosic fibers of cotton. decolorization of this dye in liquid medium was tested with ligninolytic basidiomycete fungi from brazil. decolorization started in a few ho ... | 2001 | 11500207 |
| production and molecular characteristics of four groups of exopolysaccharides from submerged culture of phellinus gilvus. | the objective of the present study was to determine the optimal culture conditions for the production of four groups of exopolysaccharides (epss) in phellinus gilvus by submerged culture and to investigate their molecular properties by multi-angle laser-light scattering (malls) analysis. | 2003 | 12631207 |
| extracts of phellinus gilvus and phellinus baumii inhibit pulmonary inflammation induced by lipopolysaccharide in rats. | compared to saline-challenged rats, rats exposed to 50 microg intratracheal lipopolysaccharide showed an increase of total white cells (from 0.3 x 10(6) to 2.4 x 10(6)), neutrophils (from 0.09 x 10(6) to 1.8 x 10(6)), the levels of tumor necrosis factor (tnf)-alpha (from 200 pg ml(-1) to 1200 pg ml(-1)), and interleukin (il)-1beta (from 220 pg ml(-1) to 650 pg ml(-1)) in the bronchial lavage fluid. however, after pretreatment with extracts of phellinus gilvus and phellinus baumii, the total whit ... | 2004 | 15005148 |
| the effect of polysaccharides and carboxymethylcellulose combination to prevent intraperitoneal adhesion and abscess formation in a rat peritonitis model. | polysaccharides isolated from fungi, phellinus spp. is well-known material with anti-tumor and anti-inflammatory properties. we have assessed the adhesion- and abscess-reducing capacity of carboxymethylcellulose (cmc) and polysaccharides from phellinus spp. combination in a rat peritonitis model. in 72 sprague-dawley rats, experimental peritonitis was induced by means of the cecal ligation and puncture model (clp). after 24 hr, the abdomen was reopened and the ligated cecum was resected. periton ... | 2004 | 15528850 |
| polysaccharides isolated from phellinus gilvus inhibit melanoma growth in mice. | there is no information about the effect of polysaccharides from fungus, phellinus gilvus (pg) on melanoma. the effect of pg on the proliferation and apoptosis of the b16f10 melanoma cell line was determined by a sulforhodamine b (srb) and a sandwich enzyme-linked immunosorbent assay. the in vivo effect of pg on b16f10 melanoma cells allografted in athymic nude mice was investigated. pg decreased cell proliferation and increased cell apoptosis in a dose dependent manner in vitro. also, pg signif ... | 2005 | 15639339 |
| inhibitory effects of polysaccharides isolated from phellinus gilvus on benzo(a)pyrene-induced forestomach carcinogenesis in mice. | although polysaccharides from phellinus mushrooms are a well-known material with anti-tumor properties, there is no information about the effect of polysaccharides from phellinus gilvus (pg) on tumor. the modulating effect of polysaccharides isolated from pg on the benzo(a)pyrene (bap)-induced forestomach carcinogenesis in icr female mice was investigated in this study. | 2005 | 15641149 |
| comparison of intraperitoneal anti-adhesive polysaccharides derived from phellinus mushrooms in a rat peritonitis model. | to assess the adhesion- and abscess-reducing capacities of various concentrations of polysaccharides derived from fungus, phellinus gilvus (pg) or phellinus linteus (pl) in a rat peritonitis model. | 2005 | 15682472 |
| promotion of dermal wound healing by polysaccharides isolated from phellinus gilvus in rats. | the effects of topical administration of polysaccharides isolated from fungus, phellinus gilvus (pg) on the healing of rat dermal wounds were assessed. in 10 sprague-dawley (sd) rats, six 6 mm diameter defects were made with a punch biopsy appliance. after 24 hr, test substances were applied to the defects twice a day: 0.025, 0.25, and 2.5% polysaccharides from pg (pg0.025, 0.25, and 2.5 groups), madecassol ointment (mc group), aqueous gel (ag group) and no treatment (control group). six days po ... | 2005 | 15699606 |
| prevention of intraperitoneal adhesions and abscesses by polysaccharides isolated from phellinus spp in a rat peritonitis model. | to assess whether polysaccharides isolated from fungi, phellinus spp, could reduce the adhesion and abscess formation in a rat peritonitis model. | 2005 | 15729079 |
| extracellular abts-oxidizing activity of autochthonous fungal strains from argentina in solid medium. | the screening for extracellular oxidases and peroxidases from autochthonous filamentous fungi isolated from different substrates is an important step towards the detection of extracellular fungal oxidative systems. thirty-one autochthonous fungal strains from argentina, belonging to different ecophysiological and taxonomic groups, were plate-screened for their ability to produce extracellular oxidoreductases. modified kirk solid medium containing the chromogen 2,2-azino-bis(3-ethylbenzothiazolin ... | 2000 | 15813698 |
| effects of natural polysaccharides on the growth and peritoneal carcinomatosis of human gastric adenocarcinoma in a nude mouse model. | we have examined the effects of natural polysaccharides isolated from phellinus gilvus (pg) in vitro and in vivo against gastric cancer. pg decreased cell proliferation and increased cell apoptosis in a dose-dependent manner in vitro. pg also led to a marked inhibition of tumor growth and significant decrease in the incidence of peritoneal carcinomatosis. histological analysis of tumor confirmed dramatic increase in tumor cell apoptosis by pg, indicating reduced tumor cell proliferation. these d ... | 2006 | 15899545 |
| polysaccharides isolated from phellinus gilvus enhances dermal wound healing in streptozotocin-induced diabetic rats. | dermal wound healing is a complex process that involved inflammation leading to re-epithelialization, granulation tissue, and tissue remodeling. previous studies from our laboratory have shown that polysaccharides isolated from fungus, phellinus gilvus (pg) have various anti-inflammatory activities. in present study, we have assessed the effect of polysaccharides from pg on the dermal wound healing of polysaccharides from pg in streptozotocin-induced diabetic rat model. six of 6-mm circular woun ... | 2005 | 15933438 |
| lanostane-triterpenoids from the fungus phellinus gilvus. | triterpenoids gilvsins a-d (1-4), with oxygenated lanostane skeletons, were isolated from the fruiting body of phellinus gilvus, together with two known compounds, 24-methylenelanost-8-ene-3beta, 22-diol and 5alpha-ergosta-7,22-diene-3-one. the structures of 1-4 were deduced from analysis of spectroscopic data. the absolute configuration at c-22 of 1 was determined by the modified mosher's method and the structure of 1 was confirmed by x-ray analysis. the hypoglycemic activities of the crude ext ... | 2009 | 19261312 |
| in vitro antioxidant and anti-inflammatory activities of protocatechualdehyde isolated from phellinus gilvus. | although various biological activities of phellinus gilvus (pg) have been reported, the active compounds responsible for these effects are not known. here, we evaluated the activity of various solvent extracts of pg, and found the ethyl acetate extract (fd) to be the most active fraction, showing a strong dpph free radical scavenging activity, and inhibitory effects on lps-induced nitric oxide (no) production and cox-2 mrna expression in raw264.7 macrophages. six major compounds were identified ... | 2011 | 21512301 |
| Antioxidant and antifungal potential of methanol extracts of Phellinus spp. from Sonora, Mexico. | BACKGROUND: Among the potential natural sources of bioactive compounds the macroscopic fungi Phellinus spp. are evidenced by previous prospection. Phenolic compounds are among the major antioxidant and antimicrobial contributors to their bioactive properties. OBJECTIVE: The goal of this study was to determine the total phenolic and flavonoid contents, and its relation with the antioxidant and antifungal activity of methanolic extracts of Phellinus gilvus, Phellinus rimosus and Phellinus badius, ... | 2011 | 22100531 |